diff options
Diffstat (limited to 'cpukit/rtems/src')
| -rw-r--r-- | cpukit/rtems/src/dpmem.c | 281 | ||||
| -rw-r--r-- | cpukit/rtems/src/event.c | 383 | ||||
| -rw-r--r-- | cpukit/rtems/src/eventmp.c | 190 | ||||
| -rw-r--r-- | cpukit/rtems/src/intr.c | 65 | ||||
| -rw-r--r-- | cpukit/rtems/src/mp.c | 42 | ||||
| -rw-r--r-- | cpukit/rtems/src/msg.c | 714 | ||||
| -rw-r--r-- | cpukit/rtems/src/msgmp.c | 454 | ||||
| -rw-r--r-- | cpukit/rtems/src/part.c | 341 | ||||
| -rw-r--r-- | cpukit/rtems/src/partmp.c | 302 | ||||
| -rw-r--r-- | cpukit/rtems/src/ratemon.c | 385 | ||||
| -rw-r--r-- | cpukit/rtems/src/region.c | 486 | ||||
| -rw-r--r-- | cpukit/rtems/src/regionmp.c | 310 | ||||
| -rw-r--r-- | cpukit/rtems/src/rtclock.c | 151 | ||||
| -rw-r--r-- | cpukit/rtems/src/rtemstimer.c | 349 | ||||
| -rw-r--r-- | cpukit/rtems/src/sem.c | 570 | ||||
| -rw-r--r-- | cpukit/rtems/src/semmp.c | 308 | ||||
| -rw-r--r-- | cpukit/rtems/src/signal.c | 149 | ||||
| -rw-r--r-- | cpukit/rtems/src/signalmp.c | 189 | ||||
| -rw-r--r-- | cpukit/rtems/src/taskmp.c | 340 | ||||
| -rw-r--r-- | cpukit/rtems/src/tasks.c | 1098 |
20 files changed, 0 insertions, 7107 deletions
diff --git a/cpukit/rtems/src/dpmem.c b/cpukit/rtems/src/dpmem.c deleted file mode 100644 index 982116d859..0000000000 --- a/cpukit/rtems/src/dpmem.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Dual Port Memory Manager - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/score/address.h> -#include <rtems/rtems/dpmem.h> -#include <rtems/score/object.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/dpmem.h> - -/*PAGE - * - * _Dual_ported_memory_Manager_initialization - * - * This routine initializes all dual-ported memory manager related - * data structures. - * - * Input parameters: - * maximum_ports - number of ports to initialize - * - * Output parameters: NONE - */ - -void _Dual_ported_memory_Manager_initialization( - unsigned32 maximum_ports -) -{ - _Objects_Initialize_information( - &_Dual_ported_memory_Information, - OBJECTS_RTEMS_PORTS, - FALSE, - maximum_ports, - sizeof( Dual_ported_memory_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); -} - -/*PAGE - * - * rtems_port_create - * - * This directive creates a port into a dual-ported memory area. - * - * Input parameters: - * name - user defined port name - * internal_start - internal start address of port - * external_start - external start address of port - * length - physical length in bytes - * id - address of port id to set - * - * Output parameters: - * id - port id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_port_create( - rtems_name name, - void *internal_start, - void *external_start, - unsigned32 length, - Objects_Id *id -) -{ - register Dual_ported_memory_Control *the_port; - - if ( !rtems_is_name_valid( name) ) - return RTEMS_INVALID_NAME; - - if ( !_Addresses_Is_aligned( internal_start ) || - !_Addresses_Is_aligned( external_start ) ) - return RTEMS_INVALID_ADDRESS; - - _Thread_Disable_dispatch(); /* to prevent deletion */ - - the_port = _Dual_ported_memory_Allocate(); - - if ( !the_port ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - the_port->internal_base = internal_start; - the_port->external_base = external_start; - the_port->length = length - 1; - - _Objects_Open( - &_Dual_ported_memory_Information, - &the_port->Object, - &name - ); - - *id = the_port->Object.id; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_port_ident - * - * This directive returns the system ID associated with - * the port name. - * - * Input parameters: - * name - user defined port name - * id - pointer to port id - * - * Output parameters: - * *id - port id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_port_ident( - rtems_name name, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( - &_Dual_ported_memory_Information, - &name, - OBJECTS_SEARCH_ALL_NODES, - id - ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_port_delete - * - * This directive allows a thread to delete a dual-ported memory area - * specified by the dual-ported memory identifier. - * - * Input parameters: - * id - dual-ported memory area id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_port_delete( - Objects_Id id -) -{ - register Dual_ported_memory_Control *the_port; - Objects_Locations location; - - the_port = _Dual_ported_memory_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - _Objects_Close( &_Dual_ported_memory_Information, &the_port->Object ); - _Dual_ported_memory_Free( the_port ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_port_internal_to_external - * - * This directive converts an internal dual-ported memory address to an - * external dual-ported memory address. If the given internal address - * is an invalid dual-ported address, then the external address is set - * to the given internal address. - * - * Input parameters: - * id - id of dual-ported memory object - * internal - internal address to set - * external - pointer to external address - * - * Output parameters: - * external - external address - * RTEMS_SUCCESSFUL - always succeeds - */ - -rtems_status_code rtems_port_internal_to_external( - Objects_Id id, - void *internal, - void **external -) -{ - register Dual_ported_memory_Control *the_port; - Objects_Locations location; - unsigned32 ending; - - the_port = _Dual_ported_memory_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - ending = _Addresses_Subtract( internal, the_port->internal_base ); - if ( ending > the_port->length ) - *external = internal; - else - *external = _Addresses_Add_offset( the_port->external_base, - ending ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_port_external_to_internal - * - * This directive converts an external dual-ported memory address to an - * internal dual-ported memory address. If the given external address - * is an invalid dual-ported address, then the internal address is set - * to the given external address. - * - * Input parameters: - * id - id of dp memory object - * external - external address - * internal - pointer of internal address to set - * - * Output parameters: - * internal - internal address - * RTEMS_SUCCESSFUL - always succeeds - */ - -rtems_status_code rtems_port_external_to_internal( - Objects_Id id, - void *external, - void **internal -) -{ - register Dual_ported_memory_Control *the_port; - Objects_Locations location; - unsigned32 ending; - - the_port = _Dual_ported_memory_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - ending = _Addresses_Subtract( external, the_port->external_base ); - if ( ending > the_port->length ) - *internal = external; - else - *internal = _Addresses_Add_offset( the_port->internal_base, - ending ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} diff --git a/cpukit/rtems/src/event.c b/cpukit/rtems/src/event.c deleted file mode 100644 index ab00bc757e..0000000000 --- a/cpukit/rtems/src/event.c +++ /dev/null @@ -1,383 +0,0 @@ -/* - * Event Manager - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/event.h> -#include <rtems/score/isr.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/tasks.h> - -/*PAGE - * - * _Event_Manager_initialization - * - * DESCRIPTION: - * - * This routine performs the initialization necessary for this manager. - */ - -void _Event_Manager_initialization( void ) -{ - _Event_Sync_state = EVENT_SYNC_SYNCHRONIZED; - - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( MP_PACKET_EVENT, _Event_MP_Process_packet ); -} - -/*PAGE - * - * rtems_event_send - * - * This directive allows a thread send an event set to another thread. - * - * Input parameters: - * id - thread id - * event - event set - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_event_send( - Objects_Id id, - rtems_event_set event_in -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - RTEMS_API_Control *api; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return( - _Event_MP_Send_request_packet( - EVENT_MP_SEND_REQUEST, - id, - event_in - ) - ); - case OBJECTS_LOCAL: - api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; - _Event_sets_Post( event_in, &api->pending_events ); - _Event_Surrender( the_thread ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_event_receive - * - * This directive allows a thread to receive a set of events. - * - * Input parameters: - * event_in - input event condition - * option_set - options - * ticks - number of ticks to wait (0 means wait forever) - * event_out - pointer to output event set - * - * Output parameters: - * event out - event set - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_event_receive( - rtems_event_set event_in, - rtems_option option_set, - rtems_interval ticks, - rtems_event_set *event_out -) -{ - RTEMS_API_Control *api; - - api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ]; - - if ( _Event_sets_Is_empty( event_in ) ) { - *event_out = api->pending_events; - return RTEMS_SUCCESSFUL; - } - - _Thread_Disable_dispatch(); - _Event_Seize( event_in, option_set, ticks, event_out ); - _Thread_Enable_dispatch(); - return( _Thread_Executing->Wait.return_code ); -} - - -/*PAGE - * - * _Event_Seize - * - * This routine attempts to satisfy the requested event condition - * for the running thread. - * - * Input parameters: - * event_in - the event condition to satisfy - * option_set - acquire event options - * ticks - interval to wait - * event_out - pointer to event set output area - * - * Output parameters: NONE - * *event_out - event set output area filled in - * - * INTERRUPT LATENCY: - * available - * wait - * check sync - */ - -void _Event_Seize( - rtems_event_set event_in, - rtems_option option_set, - rtems_interval ticks, - rtems_event_set *event_out -) -{ - Thread_Control *executing; - rtems_event_set seized_events; - rtems_event_set pending_events; - ISR_Level level; - RTEMS_API_Control *api; - Event_Sync_states sync_state; - - executing = _Thread_Executing; - executing->Wait.return_code = RTEMS_SUCCESSFUL; - - api = executing->API_Extensions[ THREAD_API_RTEMS ]; - - _ISR_Disable( level ); - pending_events = api->pending_events; - seized_events = _Event_sets_Get( pending_events, event_in ); - - if ( !_Event_sets_Is_empty( seized_events ) && - (seized_events == event_in || _Options_Is_any( option_set )) ) { - api->pending_events = - _Event_sets_Clear( pending_events, seized_events ); - _ISR_Enable( level ); - *event_out = seized_events; - return; - } - - if ( _Options_Is_no_wait( option_set ) ) { - _ISR_Enable( level ); - executing->Wait.return_code = RTEMS_UNSATISFIED; - *event_out = seized_events; - return; - } - - _Event_Sync_state = EVENT_SYNC_NOTHING_HAPPENED; - - executing->Wait.option = (unsigned32) option_set; - executing->Wait.count = (unsigned32) event_in; - executing->Wait.return_argument = event_out; - - _ISR_Enable( level ); - - if ( ticks ) { - _Watchdog_Initialize( - &executing->Timer, - _Event_Timeout, - executing->Object.id, - NULL - ); - _Watchdog_Insert_ticks( &executing->Timer, ticks ); - } - - _Thread_Set_state( executing, STATES_WAITING_FOR_EVENT ); - - _ISR_Disable( level ); - - sync_state = _Event_Sync_state; - _Event_Sync_state = EVENT_SYNC_SYNCHRONIZED; - - switch ( sync_state ) { - case EVENT_SYNC_SYNCHRONIZED: - /* - * This cannot happen. It indicates that this routine did not - * enter the synchronization states above. - */ - return; - - case EVENT_SYNC_NOTHING_HAPPENED: - _ISR_Enable( level ); - return; - - case EVENT_SYNC_TIMEOUT: - executing->Wait.return_code = RTEMS_TIMEOUT; - _ISR_Enable( level ); - _Thread_Unblock( executing ); - return; - - case EVENT_SYNC_SATISFIED: - if ( _Watchdog_Is_active( &executing->Timer ) ) { - _Watchdog_Deactivate( &executing->Timer ); - _ISR_Enable( level ); - (void) _Watchdog_Remove( &executing->Timer ); - } else - _ISR_Enable( level ); - _Thread_Unblock( executing ); - return; - } -} - -/*PAGE - * - * _Event_Surrender - * - * This routines remove a thread from the specified threadq. - * - * Input parameters: - * the_thread - pointer to thread to be dequeued - * - * Output parameters: NONE - * - * INTERRUPT LATENCY: - * before flash - * after flash - * check sync - */ - -void _Event_Surrender( - Thread_Control *the_thread -) -{ - ISR_Level level; - rtems_event_set pending_events; - rtems_event_set event_condition; - rtems_event_set seized_events; - rtems_option option_set; - RTEMS_API_Control *api; - - api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; - - option_set = (rtems_option) the_thread->Wait.option; - - _ISR_Disable( level ); - pending_events = api->pending_events; - event_condition = (rtems_event_set) the_thread->Wait.count; - - seized_events = _Event_sets_Get( pending_events, event_condition ); - - if ( !_Event_sets_Is_empty( seized_events ) ) { - if ( _States_Is_waiting_for_event( the_thread->current_state ) ) { - if ( seized_events == event_condition || _Options_Is_any( option_set ) ) { - api->pending_events = - _Event_sets_Clear( pending_events, seized_events ); - *(rtems_event_set *)the_thread->Wait.return_argument = seized_events; - - _ISR_Flash( level ); - - if ( !_Watchdog_Is_active( &the_thread->Timer ) ) { - _ISR_Enable( level ); - _Thread_Unblock( the_thread ); - } - else { - _Watchdog_Deactivate( &the_thread->Timer ); - _ISR_Enable( level ); - (void) _Watchdog_Remove( &the_thread->Timer ); - _Thread_Unblock( the_thread ); - } - return; - } - } - - switch ( _Event_Sync_state ) { - case EVENT_SYNC_SYNCHRONIZED: - case EVENT_SYNC_SATISFIED: - break; - - case EVENT_SYNC_NOTHING_HAPPENED: - case EVENT_SYNC_TIMEOUT: - if ( !_Thread_Is_executing( the_thread ) ) - break; - - if ( seized_events == event_condition || _Options_Is_any(option_set) ) { - api->pending_events = - _Event_sets_Clear( pending_events,seized_events ); - *(rtems_event_set *)the_thread->Wait.return_argument = seized_events; - _Event_Sync_state = EVENT_SYNC_SATISFIED; - } - break; - } - } - _ISR_Enable( level ); -} - -/*PAGE - * - * _Event_Timeout - * - * This routine processes a thread which timeouts while waiting to - * receive an event_set. It is called by the watchdog handler. - * - * Input parameters: - * id - thread id - * - * Output parameters: NONE - */ - -void _Event_Timeout( - Objects_Id id, - void *ignored -) -{ - Thread_Control *the_thread; - Objects_Locations location; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - case OBJECTS_REMOTE: /* impossible */ - break; - case OBJECTS_LOCAL: - - /* - * If the event manager is not synchronized, then it is either - * "nothing happened", "timeout", or "satisfied". If the_thread - * is the executing thread, then it is in the process of blocking - * and it is the thread which is responsible for the synchronization - * process. - * - * If it is not satisfied, then it is "nothing happened" and - * this is the "timeout" transition. After a request is satisfied, - * a timeout is not allowed to occur. - */ - - if ( _Event_Sync_state != EVENT_SYNC_SYNCHRONIZED && - _Thread_Is_executing( the_thread ) ) { - if ( _Event_Sync_state != EVENT_SYNC_SATISFIED ) - _Event_Sync_state = EVENT_SYNC_TIMEOUT; - } else { - the_thread->Wait.return_code = RTEMS_TIMEOUT; - _Thread_Unblock( the_thread ); - } - _Thread_Unnest_dispatch(); - break; - } -} diff --git a/cpukit/rtems/src/eventmp.c b/cpukit/rtems/src/eventmp.c deleted file mode 100644 index 30cd1166c6..0000000000 --- a/cpukit/rtems/src/eventmp.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Multiprocessing Support for the Event Manager - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/event.h> -#include <rtems/score/mpci.h> -#include <rtems/score/mppkt.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Event_MP_Send_process_packet - * - * This subprogram is not needed since there are no process - * packets to be sent by this manager. - * - */ - -/*PAGE - * - * _Event_MP_Send_request_packet - * - */ - -rtems_status_code _Event_MP_Send_request_packet ( - Event_MP_Remote_operations operation, - Objects_Id event_id, - rtems_event_set event_in -) -{ - Event_MP_Packet *the_packet; - - switch ( operation ) { - - case EVENT_MP_SEND_REQUEST: - - the_packet = _Event_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_EVENT; - the_packet->Prefix.length = sizeof ( Event_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Event_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = event_id; - the_packet->event_in = event_in; - - return - _MPCI_Send_request_packet( - rtems_get_node( event_id ), - &the_packet->Prefix, - STATES_READY - ); - - break; - - case EVENT_MP_SEND_RESPONSE: - break; - - } - /* - * The following line is included to satisfy compilers which - * produce warnings when a function does not end with a return. - */ - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * _Event_MP_Send_response_packet - * - */ - -void _Event_MP_Send_response_packet ( - Event_MP_Remote_operations operation, - Thread_Control *the_thread -) -{ - Event_MP_Packet *the_packet; - - switch ( operation ) { - - case EVENT_MP_SEND_RESPONSE: - - the_packet = ( Event_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case EVENT_MP_SEND_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _Event_MP_Process_packet - * - */ - -void _Event_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - Event_MP_Packet *the_packet; - Thread_Control *the_thread; - - the_packet = (Event_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case EVENT_MP_SEND_REQUEST: - - the_packet->Prefix.return_code = rtems_event_send( - the_packet->Prefix.id, - the_packet->event_in - ); - - _Event_MP_Send_response_packet( - EVENT_MP_SEND_RESPONSE, - _Thread_Executing - ); - break; - - case EVENT_MP_SEND_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - - break; - - } -} - -/*PAGE - * - * _Event_MP_Send_object_was_deleted - * - * This subprogram is not needed since there are no objects - * deleted by this manager. - * - */ - -/*PAGE - * - * _Event_MP_Send_extract_proxy - * - * This subprogram is not needed since there are no objects - * deleted by this manager. - * - */ - -/*PAGE - * - * _Event_MP_Get_packet - * - */ - -Event_MP_Packet *_Event_MP_Get_packet ( void ) -{ - return ( (Event_MP_Packet *) _MPCI_Get_packet() ); -} - -/* end of file */ diff --git a/cpukit/rtems/src/intr.c b/cpukit/rtems/src/intr.c deleted file mode 100644 index 8ec880ee99..0000000000 --- a/cpukit/rtems/src/intr.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Interrupt Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/score/isr.h> -#include <rtems/rtems/intr.h> - -/* _Interrupt_Manager_initialization - * - * This routine initializes the interrupt manager. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void _Interrupt_Manager_initialization( void ) -{ -} - -/* rtems_interrupt_catch - * - * This directive allows a thread to specify what action to take when - * catching signals. - * - * Input parameters: - * new_isr_handler - address of interrupt service routine (isr) - * vector - interrupt vector number - * old_isr_handler - address at which to store previous ISR address - * - * Output parameters: - * RTEMS_SUCCESSFUL - always succeeds - * *old_isr_handler - previous ISR address - */ - -rtems_status_code rtems_interrupt_catch( - rtems_isr_entry new_isr_handler, - rtems_vector_number vector, - rtems_isr_entry *old_isr_handler -) -{ - if ( !_ISR_Is_vector_number_valid( vector ) ) - return RTEMS_INVALID_NUMBER; - - if ( !_ISR_Is_valid_user_handler( new_isr_handler ) ) - return RTEMS_INVALID_ADDRESS; - - _ISR_Install_vector( - vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler ); - - return RTEMS_SUCCESSFUL; -} diff --git a/cpukit/rtems/src/mp.c b/cpukit/rtems/src/mp.c deleted file mode 100644 index 7bc39074c6..0000000000 --- a/cpukit/rtems/src/mp.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Multiprocessing Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/mp.h> -#include <rtems/score/mpci.h> - -/*PAGE - * - * _Multiprocessing_Manager_initialization - * - */ - -void _Multiprocessing_Manager_initialization ( void ) -{ -} - -/*PAGE - * - * rtems_multiprocessing_announce - * - */ - -void rtems_multiprocessing_announce ( void ) -{ - _MPCI_Announce(); -} - -/* end of file */ diff --git a/cpukit/rtems/src/msg.c b/cpukit/rtems/src/msg.c deleted file mode 100644 index 7d7c6e3025..0000000000 --- a/cpukit/rtems/src/msg.c +++ /dev/null @@ -1,714 +0,0 @@ -/* - * Message Queue Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/score/sysstate.h> -#include <rtems/score/chain.h> -#include <rtems/score/isr.h> -#include <rtems/score/coremsg.h> -#include <rtems/score/object.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> -#include <rtems/score/wkspace.h> -#include <rtems/score/mpci.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/attr.h> -#include <rtems/rtems/message.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Message_queue_Manager_initialization - * - * This routine initializes all message queue manager related - * data structures. - * - * Input parameters: - * maximum_message_queues - number of message queues to initialize - * - * Output parameters: NONE - */ - -void _Message_queue_Manager_initialization( - unsigned32 maximum_message_queues -) -{ - _Objects_Initialize_information( - &_Message_queue_Information, - OBJECTS_RTEMS_MESSAGE_QUEUES, - TRUE, - maximum_message_queues, - sizeof( Message_queue_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); - - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( - MP_PACKET_MESSAGE_QUEUE, - _Message_queue_MP_Process_packet - ); - -} - -/*PAGE - * - * _Message_queue_Allocate - * - * Allocate a message queue and the space for its messages - * - * Input parameters: - * the_message_queue - the message queue to allocate message buffers - * count - maximum message and reserved buffer count - * max_message_size - maximum size of each message - * - * Output parameters: - * the_message_queue - set if successful, NULL otherwise - */ - -Message_queue_Control *_Message_queue_Allocate ( - unsigned32 count, - unsigned32 max_message_size -) -{ - return - (Message_queue_Control *)_Objects_Allocate(&_Message_queue_Information); - -} - -/*PAGE - * - * rtems_message_queue_create - * - * This directive creates a message queue by allocating and initializing - * a message queue data structure. - * - * Input parameters: - * name - user defined queue name - * count - maximum message and reserved buffer count - * max_message_size - maximum size of each message - * attribute_set - process method - * id - pointer to queue - * - * Output parameters: - * id - queue id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_create( - rtems_name name, - unsigned32 count, - unsigned32 max_message_size, - rtems_attribute attribute_set, - Objects_Id *id -) -{ - register Message_queue_Control *the_message_queue; - CORE_message_queue_Attributes the_message_queue_attributes; - boolean is_global; - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - if ( (is_global = _Attributes_Is_global( attribute_set ) ) && - !_System_state_Is_multiprocessing ) - return RTEMS_MP_NOT_CONFIGURED; - - if (count == 0) - return RTEMS_INVALID_NUMBER; - - if (max_message_size == 0) - return RTEMS_INVALID_SIZE; - -#if 1 - /* - * I am not 100% sure this should be an error. - * It seems reasonable to create a que with a large max size, - * and then just send smaller msgs from remote (or all) nodes. - */ - - if ( is_global && (_MPCI_table->maximum_packet_size < max_message_size) ) - return RTEMS_INVALID_SIZE; - -#endif - - _Thread_Disable_dispatch(); /* protects object pointer */ - - the_message_queue = _Message_queue_Allocate( count, max_message_size ); - - if ( !the_message_queue ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - if ( is_global && - !( _Objects_MP_Allocate_and_open( &_Message_queue_Information, - name, the_message_queue->Object.id, FALSE ) ) ) { - _Message_queue_Free( the_message_queue ); - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - the_message_queue->attribute_set = attribute_set; - - if (_Attributes_Is_priority( attribute_set ) ) - the_message_queue_attributes.discipline = - CORE_MESSAGE_QUEUE_DISCIPLINES_PRIORITY; - else - the_message_queue_attributes.discipline = - CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO; - - if ( ! _CORE_message_queue_Initialize( - &the_message_queue->message_queue, - OBJECTS_RTEMS_MESSAGE_QUEUES, - &the_message_queue_attributes, - count, - max_message_size, - _Message_queue_MP_Send_extract_proxy ) ) { - if ( is_global ) - _Objects_MP_Close( - &_Message_queue_Information, the_message_queue->Object.id); - - _Message_queue_Free( the_message_queue ); - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - _Objects_Open( - &_Message_queue_Information, - &the_message_queue->Object, - &name - ); - - *id = the_message_queue->Object.id; - - if ( is_global ) - _Message_queue_MP_Send_process_packet( - MESSAGE_QUEUE_MP_ANNOUNCE_CREATE, - the_message_queue->Object.id, - name, - 0 - ); - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_message_queue_ident - * - * This directive returns the system ID associated with - * the message queue name. - * - * Input parameters: - * name - user defined message queue name - * node - node(s) to be searched - * id - pointer to message queue id - * - * Output parameters: - * *id - message queue id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_ident( - rtems_name name, - unsigned32 node, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( - &_Message_queue_Information, - &name, - node, - id - ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_message_queue_delete - * - * This directive allows a thread to delete the message queue specified - * by the given queue identifier. - * - * Input parameters: - * id - queue id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_delete( - Objects_Id id -) -{ - register Message_queue_Control *the_message_queue; - Objects_Locations location; - - the_message_queue = _Message_queue_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; - case OBJECTS_LOCAL: - _Objects_Close( &_Message_queue_Information, - &the_message_queue->Object ); - - _CORE_message_queue_Close( - &the_message_queue->message_queue, - _Message_queue_MP_Send_object_was_deleted, - CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED - ); - - _Message_queue_Free( the_message_queue ); - - if ( _Attributes_Is_global( the_message_queue->attribute_set ) ) { - _Objects_MP_Close( - &_Message_queue_Information, - the_message_queue->Object.id - ); - - _Message_queue_MP_Send_process_packet( - MESSAGE_QUEUE_MP_ANNOUNCE_DELETE, - the_message_queue->Object.id, - 0, /* Not used */ - 0 - ); - } - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_message_queue_send - * - * This routine implements the directives q_send. It sends a - * message to the specified message queue. - * - * Input parameters: - * id - pointer to message queue - * buffer - pointer to message buffer - * size - size of message to sent urgently - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_send( - Objects_Id id, - void *buffer, - unsigned32 size -) -{ - return( _Message_queue_Submit(id, buffer, size, MESSAGE_QUEUE_SEND_REQUEST) ); -} - -/*PAGE - * - * rtems_message_queue_urgent - * - * This routine implements the directives q_urgent. It urgents a - * message to the specified message queue. - * - * Input parameters: - * id - pointer to message queue - * buffer - pointer to message buffer - * size - size of message to sent urgently - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_urgent( - Objects_Id id, - void *buffer, - unsigned32 size -) -{ - return(_Message_queue_Submit(id, buffer, size, MESSAGE_QUEUE_URGENT_REQUEST)); -} - -/*PAGE - * - * rtems_message_queue_broadcast - * - * This directive sends a message for every thread waiting on the queue - * designated by id. - * - * Input parameters: - * id - pointer to message queue - * buffer - pointer to message buffer - * size - size of message to broadcast - * count - pointer to area to store number of threads made ready - * - * Output parameters: - * count - number of threads made ready - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_broadcast( - Objects_Id id, - void *buffer, - unsigned32 size, - unsigned32 *count -) -{ - register Message_queue_Control *the_message_queue; - Objects_Locations location; - CORE_message_queue_Status core_status; - - the_message_queue = _Message_queue_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Executing->Wait.return_argument = count; - - return - _Message_queue_MP_Send_request_packet( - MESSAGE_QUEUE_MP_BROADCAST_REQUEST, - id, - buffer, - &size, - 0, /* option_set not used */ - MPCI_DEFAULT_TIMEOUT - ); - - case OBJECTS_LOCAL: - core_status = _CORE_message_queue_Broadcast( - &the_message_queue->message_queue, - buffer, - size, - id, - _Message_queue_Core_message_queue_mp_support, - count - ); - - _Thread_Enable_dispatch(); - return - _Message_queue_Translate_core_message_queue_return_code( core_status ); - - } - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_message_queue_receive - * - * This directive dequeues a message from the designated message queue - * and copies it into the requesting thread's buffer. - * - * Input parameters: - * id - queue id - * buffer - pointer to message buffer - * size - size of message receive - * option_set - options on receive - * timeout - number of ticks to wait - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_receive( - Objects_Id id, - void *buffer, - unsigned32 *size, - unsigned32 option_set, - rtems_interval timeout -) -{ - register Message_queue_Control *the_message_queue; - Objects_Locations location; - boolean wait; - - the_message_queue = _Message_queue_Get( id, &location ); - switch ( location ) { - - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - - case OBJECTS_REMOTE: - return _Message_queue_MP_Send_request_packet( - MESSAGE_QUEUE_MP_RECEIVE_REQUEST, - id, - buffer, - size, - option_set, - timeout - ); - - case OBJECTS_LOCAL: - if ( _Options_Is_no_wait( option_set ) ) - wait = FALSE; - else - wait = TRUE; - - _CORE_message_queue_Seize( - &the_message_queue->message_queue, - the_message_queue->Object.id, - buffer, - size, - wait, - timeout - ); - _Thread_Enable_dispatch(); - return( _Message_queue_Translate_core_message_queue_return_code( - _Thread_Executing->Wait.return_code ) ); - - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_message_queue_flush - * - * This directive removes all pending messages from a queue and returns - * the number of messages removed. If no messages were present then - * a count of zero is returned. - * - * Input parameters: - * id - queue id - * count - return area for count - * - * Output parameters: - * count - number of messages removed ( 0 = empty queue ) - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_message_queue_flush( - Objects_Id id, - unsigned32 *count -) -{ - register Message_queue_Control *the_message_queue; - Objects_Locations location; - - the_message_queue = _Message_queue_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Executing->Wait.return_argument = count; - - return - _Message_queue_MP_Send_request_packet( - MESSAGE_QUEUE_MP_FLUSH_REQUEST, - id, - 0, /* buffer not used */ - 0, /* size */ - 0, /* option_set not used */ - MPCI_DEFAULT_TIMEOUT - ); - - case OBJECTS_LOCAL: - *count = _CORE_message_queue_Flush( &the_message_queue->message_queue ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Message_queue_Submit - * - * This routine implements the directives rtems_message_queue_send - * and rtems_message_queue_urgent. It processes a message that is - * to be submitted to the designated message queue. The message will - * either be processed as a send send message which it will be inserted - * at the rear of the queue or it will be processed as an urgent message - * which will be inserted at the front of the queue. - * - * Input parameters: - * id - pointer to message queue - * buffer - pointer to message buffer - * size - size in bytes of message to send - * submit_type - send or urgent message - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code _Message_queue_Submit( - Objects_Id id, - void *buffer, - unsigned32 size, - Message_queue_Submit_types submit_type -) -{ - register Message_queue_Control *the_message_queue; - Objects_Locations location; - CORE_message_queue_Status core_status; - - the_message_queue = _Message_queue_Get( id, &location ); - switch ( location ) - { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - - case OBJECTS_REMOTE: - switch ( submit_type ) { - case MESSAGE_QUEUE_SEND_REQUEST: - return - _Message_queue_MP_Send_request_packet( - MESSAGE_QUEUE_MP_SEND_REQUEST, - id, - buffer, - &size, - 0, /* option_set */ - MPCI_DEFAULT_TIMEOUT - ); - - case MESSAGE_QUEUE_URGENT_REQUEST: - return - _Message_queue_MP_Send_request_packet( - MESSAGE_QUEUE_MP_URGENT_REQUEST, - id, - buffer, - &size, - 0, /* option_set */ - MPCI_DEFAULT_TIMEOUT - ); - } - - case OBJECTS_LOCAL: - switch ( submit_type ) { - case MESSAGE_QUEUE_SEND_REQUEST: - core_status = _CORE_message_queue_Send( - &the_message_queue->message_queue, - buffer, - size, - id, - _Message_queue_Core_message_queue_mp_support - ); - break; - case MESSAGE_QUEUE_URGENT_REQUEST: - core_status = _CORE_message_queue_Urgent( - &the_message_queue->message_queue, - buffer, - size, - id, - _Message_queue_Core_message_queue_mp_support - ); - break; - default: - core_status = CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL; - return RTEMS_INTERNAL_ERROR; /* should never get here */ - } - - _Thread_Enable_dispatch(); - return _Message_queue_Translate_core_message_queue_return_code( - core_status ); - - } - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Message_queue_Translate_core_message_queue_return_code - * - * Input parameters: - * the_message_queue_status - message_queue status code to translate - * - * Output parameters: - * rtems status code - translated RTEMS status code - * - */ - -rtems_status_code _Message_queue_Translate_core_message_queue_return_code ( - unsigned32 the_message_queue_status -) -{ - switch ( the_message_queue_status ) { - case CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL: - return RTEMS_SUCCESSFUL; - case CORE_MESSAGE_QUEUE_STATUS_INVALID_SIZE: - return RTEMS_INVALID_SIZE; - case CORE_MESSAGE_QUEUE_STATUS_TOO_MANY: - return RTEMS_TOO_MANY; - case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED: - return RTEMS_UNSATISFIED; - case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT: - return RTEMS_UNSATISFIED; - case CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED: - return RTEMS_OBJECT_WAS_DELETED; - case CORE_MESSAGE_QUEUE_STATUS_TIMEOUT: - return RTEMS_TIMEOUT; - case THREAD_STATUS_PROXY_BLOCKING: - return THREAD_STATUS_PROXY_BLOCKING; - } - _Internal_error_Occurred( /* XXX */ - INTERNAL_ERROR_RTEMS_API, - TRUE, - the_message_queue_status - ); - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Message_queue_Core_message_queue_mp_support - * - * Input parameters: - * the_thread - the remote thread the message was submitted to - * id - id of the message queue - * - * Output parameters: NONE - */ - -void _Message_queue_Core_message_queue_mp_support ( - Thread_Control *the_thread, - Objects_Id id -) -{ - the_thread->receive_packet->return_code = RTEMS_SUCCESSFUL; - - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_RECEIVE_RESPONSE, - id, - the_thread - ); -} diff --git a/cpukit/rtems/src/msgmp.c b/cpukit/rtems/src/msgmp.c deleted file mode 100644 index e43fc28aef..0000000000 --- a/cpukit/rtems/src/msgmp.c +++ /dev/null @@ -1,454 +0,0 @@ -/* - * Multiprocessing Support for the Message Queue Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/message.h> -#include <rtems/score/mpci.h> -#include <rtems/rtems/msgmp.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/score/thread.h> -#include <rtems/score/watchdog.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Message_queue_MP_Send_process_packet - * - */ - -void _Message_queue_MP_Send_process_packet ( - Message_queue_MP_Remote_operations operation, - Objects_Id message_queue_id, - rtems_name name, - Objects_Id proxy_id -) -{ - Message_queue_MP_Packet *the_packet; - unsigned32 node; - - switch ( operation ) { - - case MESSAGE_QUEUE_MP_ANNOUNCE_CREATE: - case MESSAGE_QUEUE_MP_ANNOUNCE_DELETE: - case MESSAGE_QUEUE_MP_EXTRACT_PROXY: - - the_packet = _Message_queue_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_MESSAGE_QUEUE; - the_packet->Prefix.length = sizeof ( Message_queue_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Message_queue_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = message_queue_id; - the_packet->name = name; - the_packet->proxy_id = proxy_id; - - if ( operation == MESSAGE_QUEUE_MP_EXTRACT_PROXY ) - node = rtems_get_node( message_queue_id ); - else - node = MPCI_ALL_NODES; - - _MPCI_Send_process_packet( node, &the_packet->Prefix ); - break; - - case MESSAGE_QUEUE_MP_RECEIVE_REQUEST: - case MESSAGE_QUEUE_MP_RECEIVE_RESPONSE: - case MESSAGE_QUEUE_MP_SEND_REQUEST: - case MESSAGE_QUEUE_MP_SEND_RESPONSE: - case MESSAGE_QUEUE_MP_URGENT_REQUEST: - case MESSAGE_QUEUE_MP_URGENT_RESPONSE: - case MESSAGE_QUEUE_MP_BROADCAST_REQUEST: - case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE: - case MESSAGE_QUEUE_MP_FLUSH_REQUEST: - case MESSAGE_QUEUE_MP_FLUSH_RESPONSE: - break; - - } -} - -/*PAGE - * - * _Message_queue_MP_Send_request_packet - * - */ - -rtems_status_code _Message_queue_MP_Send_request_packet ( - Message_queue_MP_Remote_operations operation, - Objects_Id message_queue_id, - void *buffer, - unsigned32 *size_p, - rtems_option option_set, - rtems_interval timeout -) -{ - Message_queue_MP_Packet *the_packet; - - switch ( operation ) { - - case MESSAGE_QUEUE_MP_SEND_REQUEST: - case MESSAGE_QUEUE_MP_URGENT_REQUEST: - case MESSAGE_QUEUE_MP_BROADCAST_REQUEST: - case MESSAGE_QUEUE_MP_FLUSH_REQUEST: - - the_packet = _Message_queue_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_MESSAGE_QUEUE; - the_packet->Prefix.length = sizeof(Message_queue_MP_Packet); - if ( size_p ) - the_packet->Prefix.length += *size_p; - the_packet->Prefix.to_convert = sizeof(Message_queue_MP_Packet); - - /* - * make sure message is not too big for our MPCI driver - * We have to check it here instead of waiting for MPCI because - * we are about to slam in the payload - */ - - if (the_packet->Prefix.length > _MPCI_table->maximum_packet_size) { - _Thread_Enable_dispatch(); - return RTEMS_INVALID_SIZE; - } - - if ( ! _Options_Is_no_wait(option_set)) - the_packet->Prefix.timeout = timeout; - - the_packet->operation = operation; - the_packet->Prefix.id = message_queue_id; - the_packet->option_set = option_set; - - /* - * Copy the data into place if needed - */ - - if (buffer) { - the_packet->Buffer.size = *size_p; - _CORE_message_queue_Copy_buffer( - buffer, - the_packet->Buffer.buffer, - *size_p - ); - } - - return _MPCI_Send_request_packet(rtems_get_node(message_queue_id), - &the_packet->Prefix, - STATES_WAITING_FOR_MESSAGE); - break; - - case MESSAGE_QUEUE_MP_RECEIVE_REQUEST: - - the_packet = _Message_queue_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_MESSAGE_QUEUE; - the_packet->Prefix.length = sizeof(Message_queue_MP_Packet); - the_packet->Prefix.to_convert = sizeof(Message_queue_MP_Packet); - - if ( ! _Options_Is_no_wait(option_set)) - the_packet->Prefix.timeout = timeout; - - the_packet->operation = MESSAGE_QUEUE_MP_RECEIVE_REQUEST; - the_packet->Prefix.id = message_queue_id; - the_packet->option_set = option_set; - the_packet->size = 0; /* just in case of an error */ - - _Thread_Executing->Wait.return_argument = (unsigned32 *)buffer; - _Thread_Executing->Wait.return_argument_1 = size_p; - - return _MPCI_Send_request_packet(rtems_get_node(message_queue_id), - &the_packet->Prefix, - STATES_WAITING_FOR_MESSAGE); - break; - - case MESSAGE_QUEUE_MP_ANNOUNCE_CREATE: - case MESSAGE_QUEUE_MP_ANNOUNCE_DELETE: - case MESSAGE_QUEUE_MP_EXTRACT_PROXY: - case MESSAGE_QUEUE_MP_RECEIVE_RESPONSE: - case MESSAGE_QUEUE_MP_SEND_RESPONSE: - case MESSAGE_QUEUE_MP_URGENT_RESPONSE: - case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE: - case MESSAGE_QUEUE_MP_FLUSH_RESPONSE: - break; - } - - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * _Message_queue_MP_Send_response_packet - * - */ - -void _Message_queue_MP_Send_response_packet ( - Message_queue_MP_Remote_operations operation, - Objects_Id message_queue_id, - Thread_Control *the_thread -) -{ - Message_queue_MP_Packet *the_packet; - - switch ( operation ) { - - case MESSAGE_QUEUE_MP_RECEIVE_RESPONSE: - case MESSAGE_QUEUE_MP_SEND_RESPONSE: - case MESSAGE_QUEUE_MP_URGENT_RESPONSE: - case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE: - case MESSAGE_QUEUE_MP_FLUSH_RESPONSE: - - the_packet = ( Message_queue_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - * - * Exception: MESSAGE_QUEUE_MP_RECEIVE_RESPONSE needs payload length - * added to 'length' - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - if (operation == MESSAGE_QUEUE_MP_RECEIVE_RESPONSE) - the_packet->Prefix.length += the_packet->size; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case MESSAGE_QUEUE_MP_ANNOUNCE_CREATE: - case MESSAGE_QUEUE_MP_ANNOUNCE_DELETE: - case MESSAGE_QUEUE_MP_EXTRACT_PROXY: - case MESSAGE_QUEUE_MP_RECEIVE_REQUEST: - case MESSAGE_QUEUE_MP_SEND_REQUEST: - case MESSAGE_QUEUE_MP_URGENT_REQUEST: - case MESSAGE_QUEUE_MP_BROADCAST_REQUEST: - case MESSAGE_QUEUE_MP_FLUSH_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _Message_queue_MP_Process_packet - * - */ - -void _Message_queue_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - Message_queue_MP_Packet *the_packet; - Thread_Control *the_thread; - boolean ignored; - - the_packet = (Message_queue_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case MESSAGE_QUEUE_MP_ANNOUNCE_CREATE: - - ignored = _Objects_MP_Allocate_and_open( - &_Message_queue_Information, - the_packet->name, - the_packet->Prefix.id, - TRUE - ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case MESSAGE_QUEUE_MP_ANNOUNCE_DELETE: - - _Objects_MP_Close( &_Message_queue_Information, the_packet->Prefix.id ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case MESSAGE_QUEUE_MP_EXTRACT_PROXY: - - the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id ); - - if ( ! _Thread_Is_null( the_thread ) ) - _Thread_queue_Extract( the_thread->Wait.queue, the_thread ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case MESSAGE_QUEUE_MP_RECEIVE_REQUEST: - - the_packet->Prefix.return_code = rtems_message_queue_receive( - the_packet->Prefix.id, - the_packet->Buffer.buffer, - &the_packet->size, - the_packet->option_set, - the_packet->Prefix.timeout - ); - - if ( ! _Thread_Is_proxy_blocking( the_packet->Prefix.return_code ) ) - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_RECEIVE_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case MESSAGE_QUEUE_MP_RECEIVE_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - if (the_packet->Prefix.return_code == RTEMS_SUCCESSFUL) { - *(rtems_unsigned32 *)the_thread->Wait.return_argument_1 = - the_packet->size; - - _CORE_message_queue_Copy_buffer( - the_packet->Buffer.buffer, - the_thread->Wait.return_argument, - the_packet->size - ); - } - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case MESSAGE_QUEUE_MP_SEND_REQUEST: - - the_packet->Prefix.return_code = rtems_message_queue_send( - the_packet->Prefix.id, - the_packet->Buffer.buffer, - the_packet->Buffer.size - ); - - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_SEND_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case MESSAGE_QUEUE_MP_SEND_RESPONSE: - case MESSAGE_QUEUE_MP_URGENT_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case MESSAGE_QUEUE_MP_URGENT_REQUEST: - - the_packet->Prefix.return_code = rtems_message_queue_urgent( - the_packet->Prefix.id, - the_packet->Buffer.buffer, - the_packet->Buffer.size - ); - - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_URGENT_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case MESSAGE_QUEUE_MP_BROADCAST_REQUEST: - - the_packet->Prefix.return_code = rtems_message_queue_broadcast( - the_packet->Prefix.id, - the_packet->Buffer.buffer, - the_packet->Buffer.size, - &the_packet->count - ); - - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_BROADCAST_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE: - case MESSAGE_QUEUE_MP_FLUSH_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - *(unsigned32 *)the_thread->Wait.return_argument = the_packet->count; - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case MESSAGE_QUEUE_MP_FLUSH_REQUEST: - - the_packet->Prefix.return_code = rtems_message_queue_flush( - the_packet->Prefix.id, - &the_packet->count - ); - - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_FLUSH_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - } -} - -/*PAGE - * - * _Message_queue_MP_Send_object_was_deleted - * - */ - -void _Message_queue_MP_Send_object_was_deleted ( - Thread_Control *the_proxy -) -{ - the_proxy->receive_packet->return_code = RTEMS_OBJECT_WAS_DELETED; - - _Message_queue_MP_Send_response_packet( - MESSAGE_QUEUE_MP_RECEIVE_RESPONSE, - the_proxy->Wait.id, - the_proxy - ); -} - -/*PAGE - * - * _Message_queue_MP_Send_extract_proxy - * - */ - -void _Message_queue_MP_Send_extract_proxy ( - Thread_Control *the_thread -) -{ - _Message_queue_MP_Send_process_packet( - MESSAGE_QUEUE_MP_EXTRACT_PROXY, - the_thread->Wait.id, - (rtems_name) 0, - the_thread->Object.id - ); -} - -/*PAGE - * - * _Message_queue_MP_Get_packet - * - */ - -Message_queue_MP_Packet *_Message_queue_MP_Get_packet ( void ) -{ - return ( (Message_queue_MP_Packet *) _MPCI_Get_packet() ); -} - -/* end of file */ diff --git a/cpukit/rtems/src/part.c b/cpukit/rtems/src/part.c deleted file mode 100644 index f63ab693f1..0000000000 --- a/cpukit/rtems/src/part.c +++ /dev/null @@ -1,341 +0,0 @@ -/* - * Partition Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/score/address.h> -#include <rtems/score/object.h> -#include <rtems/rtems/part.h> -#include <rtems/score/thread.h> -#include <rtems/score/sysstate.h> - -/*PAGE - * - * _Partition_Manager_initialization - * - * This routine initializes all partition manager related - * data structures. - * - * Input parameters: - * maximum_partitions - number of partitions to initialize - * - * Output parameters: NONE - */ - -void _Partition_Manager_initialization( - unsigned32 maximum_partitions -) -{ - _Objects_Initialize_information( - &_Partition_Information, - OBJECTS_RTEMS_PARTITIONS, - TRUE, - maximum_partitions, - sizeof( Partition_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); - - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( - MP_PACKET_PARTITION, - _Partition_MP_Process_packet - ); - -} - -/*PAGE - * - * rtems_partition_create - * - * This directive creates a partiton of fixed sized buffers from the - * given contiguous memory area. - * - * Input parameters: - * name - user defined partition name - * starting_address - physical start address of partition - * length - physical length in bytes - * buffer_size - size of buffers in bytes - * attribute_set - partition attributes - * id - pointer to partition id - * - * Output parameters: - * id - partition id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_partition_create( - rtems_name name, - void *starting_address, - unsigned32 length, - unsigned32 buffer_size, - rtems_attribute attribute_set, - Objects_Id *id -) -{ - register Partition_Control *the_partition; - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - if ( length == 0 || buffer_size == 0 || length < buffer_size || - !_Partition_Is_buffer_size_aligned( buffer_size ) ) - return RTEMS_INVALID_SIZE; - - if ( !_Addresses_Is_aligned( starting_address ) ) - return RTEMS_INVALID_ADDRESS; - - if ( _Attributes_Is_global( attribute_set ) && - !_System_state_Is_multiprocessing ) - return RTEMS_MP_NOT_CONFIGURED; - - _Thread_Disable_dispatch(); /* prevents deletion */ - - the_partition = _Partition_Allocate(); - - if ( !the_partition ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - if ( _Attributes_Is_global( attribute_set ) && - !( _Objects_MP_Allocate_and_open( &_Partition_Information, name, - the_partition->Object.id, FALSE ) ) ) { - _Partition_Free( the_partition ); - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - the_partition->starting_address = starting_address; - the_partition->length = length; - the_partition->buffer_size = buffer_size; - the_partition->attribute_set = attribute_set; - the_partition->number_of_used_blocks = 0; - - _Chain_Initialize( &the_partition->Memory, starting_address, - length / buffer_size, buffer_size ); - - _Objects_Open( &_Partition_Information, &the_partition->Object, &name ); - - *id = the_partition->Object.id; - if ( _Attributes_Is_global( attribute_set ) ) - _Partition_MP_Send_process_packet( - PARTITION_MP_ANNOUNCE_CREATE, - the_partition->Object.id, - name, - 0 /* Not used */ - ); - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_partition_ident - * - * This directive returns the system ID associated with - * the partition name. - * - * Input parameters: - * name - user defined partition name - * node - node(s) to be searched - * id - pointer to partition id - * - * Output parameters: - * *id - partition id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_partition_ident( - rtems_name name, - unsigned32 node, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( &_Partition_Information, &name, node, id ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_partition_delete - * - * This directive allows a thread to delete a partition specified by - * the partition identifier, provided that none of its buffers are - * still allocated. - * - * Input parameters: - * id - partition id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_partition_delete( - Objects_Id id -) -{ - register Partition_Control *the_partition; - Objects_Locations location; - - the_partition = _Partition_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; - case OBJECTS_LOCAL: - if ( the_partition->number_of_used_blocks == 0 ) { - _Objects_Close( &_Partition_Information, &the_partition->Object ); - _Partition_Free( the_partition ); - if ( _Attributes_Is_global( the_partition->attribute_set ) ) { - - _Objects_MP_Close( - &_Partition_Information, - the_partition->Object.id - ); - - _Partition_MP_Send_process_packet( - PARTITION_MP_ANNOUNCE_DELETE, - the_partition->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_RESOURCE_IN_USE; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_partition_get_buffer - * - * This directive will obtain a buffer from a buffer partition. - * - * Input parameters: - * id - partition id - * buffer - pointer to buffer address - * - * Output parameters: - * buffer - pointer to buffer address filled in - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_partition_get_buffer( - Objects_Id id, - void **buffer -) -{ - register Partition_Control *the_partition; - Objects_Locations location; - void *the_buffer; - - the_partition = _Partition_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Executing->Wait.return_argument = buffer; - return( - _Partition_MP_Send_request_packet( - PARTITION_MP_GET_BUFFER_REQUEST, - id, - 0 /* Not used */ - ) - ); - case OBJECTS_LOCAL: - the_buffer = _Partition_Allocate_buffer( the_partition ); - if ( the_buffer ) { - the_partition->number_of_used_blocks += 1; - _Thread_Enable_dispatch(); - *buffer = the_buffer; - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_UNSATISFIED; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_partition_return_buffer - * - * This directive will return the given buffer to the specified - * buffer partition. - * - * Input parameters: - * id - partition id - * buffer - pointer to buffer address - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_partition_return_buffer( - Objects_Id id, - void *buffer -) -{ - register Partition_Control *the_partition; - Objects_Locations location; - - the_partition = _Partition_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return( - _Partition_MP_Send_request_packet( - PARTITION_MP_RETURN_BUFFER_REQUEST, - id, - buffer - ) - ); - case OBJECTS_LOCAL: - if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) { - _Partition_Free_buffer( the_partition, buffer ); - the_partition->number_of_used_blocks -= 1; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_INVALID_ADDRESS; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} diff --git a/cpukit/rtems/src/partmp.c b/cpukit/rtems/src/partmp.c deleted file mode 100644 index 969bf314b5..0000000000 --- a/cpukit/rtems/src/partmp.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * Multiprocessing Support for the Partition Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/score/mpci.h> -#include <rtems/score/mppkt.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/part.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Partition_MP_Send_process_packet - * - */ - -void _Partition_MP_Send_process_packet ( - Partition_MP_Remote_operations operation, - Objects_Id partition_id, - rtems_name name, - Objects_Id proxy_id -) -{ - Partition_MP_Packet *the_packet; - unsigned32 node; - - switch ( operation ) { - - case PARTITION_MP_ANNOUNCE_CREATE: - case PARTITION_MP_ANNOUNCE_DELETE: - case PARTITION_MP_EXTRACT_PROXY: - - the_packet = _Partition_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_PARTITION; - the_packet->Prefix.length = sizeof ( Partition_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Partition_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = partition_id; - the_packet->name = name; - the_packet->proxy_id = proxy_id; - - if ( operation == PARTITION_MP_EXTRACT_PROXY ) - node = rtems_get_node( partition_id ); - else - node = MPCI_ALL_NODES; - - _MPCI_Send_process_packet( node, &the_packet->Prefix ); - break; - - case PARTITION_MP_GET_BUFFER_REQUEST: - case PARTITION_MP_GET_BUFFER_RESPONSE: - case PARTITION_MP_RETURN_BUFFER_REQUEST: - case PARTITION_MP_RETURN_BUFFER_RESPONSE: - break; - } -} - -/*PAGE - * - * _Partition_MP_Send_request_packet - * - */ - -rtems_status_code _Partition_MP_Send_request_packet ( - Partition_MP_Remote_operations operation, - Objects_Id partition_id, - void *buffer -) -{ - Partition_MP_Packet *the_packet; - - switch ( operation ) { - - case PARTITION_MP_GET_BUFFER_REQUEST: - case PARTITION_MP_RETURN_BUFFER_REQUEST: - - the_packet = _Partition_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_PARTITION; - the_packet->Prefix.length = sizeof ( Partition_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Partition_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = partition_id; - the_packet->buffer = buffer; - - return - _MPCI_Send_request_packet( - rtems_get_node( partition_id ), - &the_packet->Prefix, - STATES_READY /* Not used */ - ); - - break; - - case PARTITION_MP_ANNOUNCE_CREATE: - case PARTITION_MP_ANNOUNCE_DELETE: - case PARTITION_MP_EXTRACT_PROXY: - case PARTITION_MP_GET_BUFFER_RESPONSE: - case PARTITION_MP_RETURN_BUFFER_RESPONSE: - break; - - } - /* - * The following line is included to satisfy compilers which - * produce warnings when a function does not end with a return. - */ - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * _Partition_MP_Send_response_packet - * - */ - -void _Partition_MP_Send_response_packet ( - Partition_MP_Remote_operations operation, - Objects_Id partition_id, - Thread_Control *the_thread -) -{ - Partition_MP_Packet *the_packet; - - switch ( operation ) { - - case PARTITION_MP_GET_BUFFER_RESPONSE: - case PARTITION_MP_RETURN_BUFFER_RESPONSE: - - the_packet = ( Partition_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case PARTITION_MP_ANNOUNCE_CREATE: - case PARTITION_MP_ANNOUNCE_DELETE: - case PARTITION_MP_EXTRACT_PROXY: - case PARTITION_MP_GET_BUFFER_REQUEST: - case PARTITION_MP_RETURN_BUFFER_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _Partition_MP_Process_packet - * - */ - -void _Partition_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - Partition_MP_Packet *the_packet; - Thread_Control *the_thread; - boolean ignored; - - the_packet = (Partition_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case PARTITION_MP_ANNOUNCE_CREATE: - - ignored = _Objects_MP_Allocate_and_open( - &_Partition_Information, - the_packet->name, - the_packet->Prefix.id, - TRUE - ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case PARTITION_MP_ANNOUNCE_DELETE: - - _Objects_MP_Close( &_Partition_Information, the_packet->Prefix.id ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case PARTITION_MP_EXTRACT_PROXY: - - the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id ); - - if ( ! _Thread_Is_null( the_thread ) ) - _Thread_queue_Extract( the_thread->Wait.queue, the_thread ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case PARTITION_MP_GET_BUFFER_REQUEST: - - the_packet->Prefix.return_code = rtems_partition_get_buffer( - the_packet->Prefix.id, - &the_packet->buffer - ); - - _Partition_MP_Send_response_packet( - PARTITION_MP_GET_BUFFER_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case PARTITION_MP_GET_BUFFER_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - *(void **)the_thread->Wait.return_argument = the_packet->buffer; - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case PARTITION_MP_RETURN_BUFFER_REQUEST: - - the_packet->Prefix.return_code = rtems_partition_return_buffer( - the_packet->Prefix.id, - the_packet->buffer - ); - - _Partition_MP_Send_response_packet( - PARTITION_MP_RETURN_BUFFER_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case PARTITION_MP_RETURN_BUFFER_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - } -} - -/*PAGE - * - * _Partition_MP_Send_object_was_deleted - * - * This routine is not needed by the Partition since a partition - * cannot be deleted when buffers are in use. - * - */ - -/*PAGE - * - * _Partition_MP_Send_extract_proxy - * - */ - -void _Partition_MP_Send_extract_proxy ( - Thread_Control *the_thread -) -{ - _Partition_MP_Send_process_packet( - PARTITION_MP_EXTRACT_PROXY, - the_thread->Wait.id, - (rtems_name) 0, - the_thread->Object.id - ); - -} - -/*PAGE - * - * _Partition_MP_Get_packet - * - */ - -Partition_MP_Packet *_Partition_MP_Get_packet ( void ) -{ - return ( (Partition_MP_Packet *) _MPCI_Get_packet() ); -} - -/* end of file */ diff --git a/cpukit/rtems/src/ratemon.c b/cpukit/rtems/src/ratemon.c deleted file mode 100644 index d3524b02d6..0000000000 --- a/cpukit/rtems/src/ratemon.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - * Rate Monotonic Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/score/isr.h> -#include <rtems/score/object.h> -#include <rtems/rtems/ratemon.h> -#include <rtems/score/thread.h> - -/*PAGE - * - * _Rate_monotonic_Manager_initialization - * - * This routine initializes all Rate Monotonic Manager related - * data structures. - * - * Input parameters: - * maximum_periods - number of periods timers to initialize - * - * Output parameters: NONE - * - * NOTE: The Rate Monotonic Manager is built on top of the Watchdog - * Handler. - */ - -void _Rate_monotonic_Manager_initialization( - unsigned32 maximum_periods -) -{ - _Objects_Initialize_information( - &_Rate_monotonic_Information, - OBJECTS_RTEMS_PERIODS, - FALSE, - maximum_periods, - sizeof( Rate_monotonic_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); -} - -/*PAGE - * - * rtems_rate_monotonic_create - * - * This directive creates a rate monotonic timer and performs - * some initialization. - * - * Input parameters: - * name - name of period - * id - pointer to rate monotonic id - * - * Output parameters: - * id - rate monotonic id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_rate_monotonic_create( - rtems_name name, - Objects_Id *id -) -{ - Rate_monotonic_Control *the_period; - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - _Thread_Disable_dispatch(); /* to prevent deletion */ - - the_period = _Rate_monotonic_Allocate(); - - if ( !the_period ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - the_period->owner = _Thread_Executing; - the_period->state = RATE_MONOTONIC_INACTIVE; - - _Objects_Open( &_Rate_monotonic_Information, &the_period->Object, &name ); - - *id = the_period->Object.id; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_rate_monotonic_ident - * - * This directive returns the system ID associated with - * the rate monotonic period name. - * - * Input parameters: - * name - user defined period name - * id - pointer to period id - * - * Output parameters: - * *id - region id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_rate_monotonic_ident( - rtems_name name, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( - &_Rate_monotonic_Information, - &name, - OBJECTS_SEARCH_LOCAL_NODE, - id - ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_rate_monotonic_cancel - * - * This directive allows a thread to cancel a rate monotonic timer. - * - * Input parameters: - * id - rate monotonic id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful and caller is not the owning thread - * error code - if unsuccessful - */ - -rtems_status_code rtems_rate_monotonic_cancel( - Objects_Id id -) -{ - Rate_monotonic_Control *the_period; - Objects_Locations location; - - the_period = _Rate_monotonic_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return RTEMS_INTERNAL_ERROR; /* should never return this */ - case OBJECTS_LOCAL: - if ( !_Thread_Is_executing( the_period->owner ) ) { - _Thread_Enable_dispatch(); - return RTEMS_NOT_OWNER_OF_RESOURCE; - } - (void) _Watchdog_Remove( &the_period->Timer ); - the_period->state = RATE_MONOTONIC_INACTIVE; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_rate_monotonic_delete - * - * This directive allows a thread to delete a rate monotonic timer. - * - * Input parameters: - * id - rate monotonic id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_rate_monotonic_delete( - Objects_Id id -) -{ - Rate_monotonic_Control *the_period; - Objects_Locations location; - - the_period = _Rate_monotonic_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - _Objects_Close( &_Rate_monotonic_Information, &the_period->Object ); - (void) _Watchdog_Remove( &the_period->Timer ); - the_period->state = RATE_MONOTONIC_INACTIVE; - _Rate_monotonic_Free( the_period ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_rate_monotonic_period - * - * This directive allows a thread to manipulate a rate monotonic timer. - * - * Input parameters: - * id - rate monotonic id - * length - length of period (in ticks) - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_rate_monotonic_period( - Objects_Id id, - rtems_interval length -) -{ - Rate_monotonic_Control *the_period; - Objects_Locations location; - rtems_status_code return_value; - Rate_Monotonic_Period_states local_state; - ISR_Level level; - - the_period = _Rate_monotonic_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - if ( !_Thread_Is_executing( the_period->owner ) ) { - _Thread_Enable_dispatch(); - return RTEMS_NOT_OWNER_OF_RESOURCE; - } - - if ( length == RTEMS_PERIOD_STATUS ) { - switch ( the_period->state ) { - case RATE_MONOTONIC_INACTIVE: - return_value = RTEMS_NOT_DEFINED; - break; - case RATE_MONOTONIC_ACTIVE: - return_value = RTEMS_SUCCESSFUL; - break; - case RATE_MONOTONIC_EXPIRED: - return_value = RTEMS_TIMEOUT; - break; - default: /* unreached -- only to remove warnings */ - return_value = RTEMS_INTERNAL_ERROR; - break; - } - _Thread_Enable_dispatch(); - return( return_value ); - } - - _ISR_Disable( level ); - switch ( the_period->state ) { - case RATE_MONOTONIC_INACTIVE: - _ISR_Enable( level ); - the_period->state = RATE_MONOTONIC_ACTIVE; - _Watchdog_Initialize( - &the_period->Timer, - _Rate_monotonic_Timeout, - id, - NULL - ); - _Watchdog_Insert_ticks( &the_period->Timer, length ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - - case RATE_MONOTONIC_ACTIVE: - /* - * This tells the _Rate_monotonic_Timeout that this task is - * in the process of blocking on the period. - */ - - the_period->state = RATE_MONOTONIC_OWNER_IS_BLOCKING; - _ISR_Enable( level ); - - _Thread_Executing->Wait.id = the_period->Object.id; - _Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_PERIOD ); - - /* - * Did the watchdog timer expire while we were actually blocking - * on it? - */ - - _ISR_Disable( level ); - local_state = the_period->state; - the_period->state = RATE_MONOTONIC_ACTIVE; - _ISR_Enable( level ); - - /* - * If it did, then we want to unblock ourself and continue as - * if nothing happen. The period was reset in the timeout routine. - */ - - if ( local_state == RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING ) - _Thread_Clear_state( _Thread_Executing, STATES_WAITING_FOR_PERIOD ); - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - break; - - case RATE_MONOTONIC_EXPIRED: - _ISR_Enable( level ); - the_period->state = RATE_MONOTONIC_ACTIVE; - _Watchdog_Insert_ticks( &the_period->Timer, length ); - _Thread_Enable_dispatch(); - return RTEMS_TIMEOUT; - - case RATE_MONOTONIC_OWNER_IS_BLOCKING: - case RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING: - /* - * These should never happen. - */ - break; - } - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Rate_monotonic_Timeout - * - * This routine processes a period ending. If the owning thread - * is waiting for the period, that thread is unblocked and the - * period reinitiated. Otherwise, the period is expired. - * This routine is called by the watchdog handler. - * - * Input parameters: - * id - period id - * - * Output parameters: NONE - */ - -void _Rate_monotonic_Timeout( - Objects_Id id, - void *ignored -) -{ - Rate_monotonic_Control *the_period; - Objects_Locations location; - Thread_Control *the_thread; - - the_period = _Rate_monotonic_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - case OBJECTS_REMOTE: /* impossible */ - break; - case OBJECTS_LOCAL: - the_thread = the_period->owner; - if ( _States_Is_waiting_for_period( the_thread->current_state ) && - the_thread->Wait.id == the_period->Object.id ) { - _Thread_Unblock( the_thread ); - _Watchdog_Reset( &the_period->Timer ); - } else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) { - the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING; - _Watchdog_Reset( &the_period->Timer ); - } else - the_period->state = RATE_MONOTONIC_EXPIRED; - _Thread_Unnest_dispatch(); - break; - } -} - diff --git a/cpukit/rtems/src/region.c b/cpukit/rtems/src/region.c deleted file mode 100644 index 5a8ad26797..0000000000 --- a/cpukit/rtems/src/region.c +++ /dev/null @@ -1,486 +0,0 @@ -/* - * Region Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/region.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> - -/*PAGE - * - * _Region_Manager_initialization - * - * This routine initializes all region manager related data structures. - * - * Input parameters: - * maximum_regions - number of regions to initialize - * - * Output parameters: NONE - */ - -void _Region_Manager_initialization( - unsigned32 maximum_regions -) -{ - _Objects_Initialize_information( - &_Region_Information, - OBJECTS_RTEMS_REGIONS, - FALSE, - maximum_regions, - sizeof( Region_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); - - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( - MP_PACKET_REGION, - 0 /* XXX _Region_MP_Process_packet */ - ); - -} - -/*PAGE - * - * rtems_region_create - * - * This directive creates a region of physical contiguous memory area - * from which variable sized segments can be allocated. - * - * Input parameters: - * name - user defined region name - * starting_address - physical start address of region - * length - physical length in bytes - * page_size - page size in bytes - * attribute_set - region attributes - * id - address of region id to set - * - * Output parameters: - * id - region id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_create( - rtems_name name, - void *starting_address, - unsigned32 length, - unsigned32 page_size, - rtems_attribute attribute_set, - Objects_Id *id -) -{ - Region_Control *the_region; - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - if ( !_Addresses_Is_aligned( starting_address ) ) - return RTEMS_INVALID_ADDRESS; - - _Thread_Disable_dispatch(); /* to prevent deletion */ - - the_region = _Region_Allocate(); - - if ( !the_region ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - the_region->maximum_segment_size = - _Heap_Initialize(&the_region->Memory, starting_address, length, page_size); - - if ( !the_region->maximum_segment_size ) { - _Region_Free( the_region ); - _Thread_Enable_dispatch(); - return RTEMS_INVALID_SIZE; - } - - the_region->starting_address = starting_address; - the_region->length = length; - the_region->page_size = page_size; - the_region->attribute_set = attribute_set; - the_region->number_of_used_blocks = 0; - - _Thread_queue_Initialize( - &the_region->Wait_queue, - OBJECTS_RTEMS_REGIONS, - _Attributes_Is_priority( attribute_set ) ? - THREAD_QUEUE_DISCIPLINE_PRIORITY : THREAD_QUEUE_DISCIPLINE_FIFO, - STATES_WAITING_FOR_SEGMENT, - _Region_MP_Send_extract_proxy, - RTEMS_TIMEOUT - ); - - _Objects_Open( &_Region_Information, &the_region->Object, &name ); - - *id = the_region->Object.id; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_region_ident - * - * This directive returns the system ID associated with - * the region name. - * - * Input parameters: - * name - user defined region name - * id - pointer to region id - * - * Output parameters: - * *id - region id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_ident( - rtems_name name, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( - &_Region_Information, - &name, - OBJECTS_SEARCH_LOCAL_NODE, - id - ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_region_delete - * - * This directive allows a thread to delete a region specified by - * the region identifier, provided that none of its segments are - * still allocated. - * - * Input parameters: - * id - region id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_delete( - Objects_Id id -) -{ - register Region_Control *the_region; - Objects_Locations location; - - the_region = _Region_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - _Region_Debug_Walk( the_region, 5 ); - if ( the_region->number_of_used_blocks == 0 ) { - _Objects_Close( &_Region_Information, &the_region->Object ); - _Region_Free( the_region ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_RESOURCE_IN_USE; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_region_extend - * - * This directive attempts to grow a region of physical contiguous memory area - * from which variable sized segments can be allocated. - * - * Input parameters: - * id - id of region to grow - * start - starting address of memory area for extension - * length - physical length in bytes to grow the region - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_extend( - Objects_Id id, - void *starting_address, - unsigned32 length -) -{ - Region_Control *the_region; - Objects_Locations location; - unsigned32 amount_extended; - Heap_Extend_status heap_status; - rtems_status_code status; - - status = RTEMS_SUCCESSFUL; - - the_region = _Region_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - - heap_status = _Heap_Extend( - &the_region->Memory, - starting_address, - length, - &amount_extended - ); - - switch ( heap_status ) { - case HEAP_EXTEND_SUCCESSFUL: - the_region->length += amount_extended; - the_region->maximum_segment_size += amount_extended; - break; - case HEAP_EXTEND_ERROR: - status = RTEMS_INVALID_ADDRESS; - break; - case HEAP_EXTEND_NOT_IMPLEMENTED: - status = RTEMS_NOT_IMPLEMENTED; - break; - } - _Thread_Enable_dispatch(); - return( status ); - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_region_get_segment - * - * This directive will obtain a segment from the given region. - * - * Input parameters: - * id - region id - * size - segment size in bytes - * option_set - wait option - * timeout - number of ticks to wait (0 means wait forever) - * segment - pointer to segment address - * - * Output parameters: - * segment - pointer to segment address filled in - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_get_segment( - Objects_Id id, - unsigned32 size, - rtems_option option_set, - rtems_interval timeout, - void **segment -) -{ - register Region_Control *the_region; - Objects_Locations location; - Thread_Control *executing; - void *the_segment; - - *segment = NULL; - - if ( size == 0 ) - return RTEMS_INVALID_SIZE; - - executing = _Thread_Executing; - the_region = _Region_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - if ( size > the_region->maximum_segment_size ) { - _Thread_Enable_dispatch(); - return RTEMS_INVALID_SIZE; - } - - _Region_Debug_Walk( the_region, 1 ); - - the_segment = _Region_Allocate_segment( the_region, size ); - - _Region_Debug_Walk( the_region, 2 ); - - if ( the_segment ) { - the_region->number_of_used_blocks += 1; - _Thread_Enable_dispatch(); - *segment = the_segment; - return RTEMS_SUCCESSFUL; - } - - if ( _Options_Is_no_wait( option_set ) ) { - _Thread_Enable_dispatch(); - return RTEMS_UNSATISFIED; - } - - executing->Wait.queue = &the_region->Wait_queue; - executing->Wait.id = id; - executing->Wait.count = size; - executing->Wait.return_argument = (unsigned32 *) segment; - - _Thread_queue_Enter_critical_section( &the_region->Wait_queue ); - - _Thread_queue_Enqueue( &the_region->Wait_queue, timeout ); - - _Thread_Enable_dispatch(); - return( executing->Wait.return_code ); - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} -/*PAGE - * - * rtems_region_get_segment_size - * - * This directive will return the size of the segment indicated - * - * Input parameters: - * id - region id - * segment - segment address - * size - pointer to segment size in bytes - * - * Output parameters: - * size - segment size in bytes filled in - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_get_segment_size( - Objects_Id id, - void *segment, - unsigned32 *size -) -{ - register Region_Control *the_region; - Objects_Locations location; - Thread_Control *executing; - - executing = _Thread_Executing; - the_region = _Region_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - - if ( _Heap_Size_of_user_area( &the_region->Memory, segment, size ) ) { - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_INVALID_ADDRESS; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_region_return_segment - * - * This directive will return a segment to its region. - * - * Input parameters: - * id - region id - * segment - pointer to segment address - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_region_return_segment( - Objects_Id id, - void *segment -) -{ - register Region_Control *the_region; - Thread_Control *the_thread; - Objects_Locations location; - void **the_segment; - int status; - - the_region = _Region_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* this error cannot be returned */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - - _Region_Debug_Walk( the_region, 3 ); - - status = _Region_Free_segment( the_region, segment ); - - _Region_Debug_Walk( the_region, 4 ); - - if ( !status ) { - _Thread_Enable_dispatch(); - return RTEMS_INVALID_ADDRESS; - } - - the_region->number_of_used_blocks -= 1; - for ( ; ; ) { - the_thread = _Thread_queue_First( &the_region->Wait_queue ); - - if ( the_thread == NULL ) - break; - - the_segment = _Region_Allocate_segment( - the_region, - the_thread->Wait.count - ); - - if ( the_segment == NULL ) - break; - - *(void **)the_thread->Wait.return_argument = the_segment; - the_region->number_of_used_blocks += 1; - _Thread_queue_Extract( &the_region->Wait_queue, the_thread ); - the_thread->Wait.return_code = RTEMS_SUCCESSFUL; - } - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} diff --git a/cpukit/rtems/src/regionmp.c b/cpukit/rtems/src/regionmp.c deleted file mode 100644 index 57f307f826..0000000000 --- a/cpukit/rtems/src/regionmp.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * Multiprocessing Support for the Region Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/score/mpci.h> -#include <rtems/score/mppkt.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/region.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Region_MP_Send_process_packet - * - */ - -void _Region_MP_Send_process_packet ( - Region_MP_Remote_operations operation, - Objects_Id region_id, - rtems_name name, - Objects_Id proxy_id -) -{ - Region_MP_Packet *the_packet; - unsigned32 node; - - switch ( operation ) { - - case REGION_MP_ANNOUNCE_CREATE: - case REGION_MP_ANNOUNCE_DELETE: - case REGION_MP_EXTRACT_PROXY: - - the_packet = _Region_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_REGION; - the_packet->Prefix.length = sizeof ( Region_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Region_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = region_id; - the_packet->name = name; - the_packet->proxy_id = proxy_id; - - if ( operation == REGION_MP_EXTRACT_PROXY ) - node = rtems_get_node( region_id ); - else - node = MPCI_ALL_NODES; - - _MPCI_Send_process_packet( node, &the_packet->Prefix ); - break; - - case REGION_MP_GET_SEGMENT_REQUEST: - case REGION_MP_GET_SEGMENT_RESPONSE: - case REGION_MP_RETURN_SEGMENT_REQUEST: - case REGION_MP_RETURN_SEGMENT_RESPONSE: - break; - } -} - -/*PAGE - * - * _Region_MP_Send_request_packet - * - */ - -rtems_status_code _Region_MP_Send_request_packet ( - Region_MP_Remote_operations operation, - Objects_Id region_id, - void *segment, - unsigned32 size, - rtems_option option_set, - rtems_interval timeout -) -{ - Region_MP_Packet *the_packet; - - switch ( operation ) { - - case REGION_MP_GET_SEGMENT_REQUEST: - case REGION_MP_RETURN_SEGMENT_REQUEST: - - the_packet = _Region_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_REGION; - the_packet->Prefix.length = sizeof ( Region_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Region_MP_Packet ); - if ( ! _Options_Is_no_wait(option_set)) - the_packet->Prefix.timeout = timeout; - - the_packet->operation = operation; - the_packet->Prefix.id = region_id; - the_packet->segment = segment; - the_packet->size = size; - the_packet->option_set = option_set; - - return _MPCI_Send_request_packet( - rtems_get_node( region_id ), - &the_packet->Prefix, - STATES_READY /* Not used */ - ); - break; - - case REGION_MP_ANNOUNCE_CREATE: - case REGION_MP_ANNOUNCE_DELETE: - case REGION_MP_EXTRACT_PROXY: - case REGION_MP_GET_SEGMENT_RESPONSE: - case REGION_MP_RETURN_SEGMENT_RESPONSE: - break; - - } - /* - * The following line is included to satisfy compilers which - * produce warnings when a function does not end with a return. - */ - return RTEMS_INTERNAL_ERROR; -} - -/*PAGE - * - * _Region_MP_Send_response_packet - * - */ - -void _Region_MP_Send_response_packet ( - Region_MP_Remote_operations operation, - Objects_Id region_id, - Thread_Control *the_thread -) -{ - Region_MP_Packet *the_packet; - - switch ( operation ) { - - case REGION_MP_GET_SEGMENT_RESPONSE: - case REGION_MP_RETURN_SEGMENT_RESPONSE: - - the_packet = ( Region_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case REGION_MP_ANNOUNCE_CREATE: - case REGION_MP_ANNOUNCE_DELETE: - case REGION_MP_EXTRACT_PROXY: - case REGION_MP_GET_SEGMENT_REQUEST: - case REGION_MP_RETURN_SEGMENT_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _Region_MP_Process_packet - * - */ - -void _Region_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - Region_MP_Packet *the_packet; - Thread_Control *the_thread; - boolean ignored; - - the_packet = (Region_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case REGION_MP_ANNOUNCE_CREATE: - - ignored = _Objects_MP_Allocate_and_open( - &_Region_Information, - the_packet->name, - the_packet->Prefix.id, - TRUE - ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case REGION_MP_ANNOUNCE_DELETE: - - _Objects_MP_Close( &_Region_Information, the_packet->Prefix.id ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case REGION_MP_EXTRACT_PROXY: - - the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id ); - - if ( ! _Thread_Is_null( the_thread ) ) - _Thread_queue_Extract( the_thread->Wait.queue, the_thread ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case REGION_MP_GET_SEGMENT_REQUEST: - - the_packet->Prefix.return_code = rtems_region_get_segment( - the_packet->Prefix.id, - the_packet->size, - the_packet->option_set, - the_packet->Prefix.timeout, - &the_packet->segment - ); - - _Region_MP_Send_response_packet( - REGION_MP_GET_SEGMENT_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case REGION_MP_GET_SEGMENT_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - *(void **)the_thread->Wait.return_argument = the_packet->segment; - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case REGION_MP_RETURN_SEGMENT_REQUEST: - - the_packet->Prefix.return_code = rtems_region_return_segment( - the_packet->Prefix.id, - the_packet->segment - ); - - _Region_MP_Send_response_packet( - REGION_MP_RETURN_SEGMENT_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case REGION_MP_RETURN_SEGMENT_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - } -} - -/*PAGE - * - * _Region_MP_Send_object_was_deleted - * - * This routine is not needed by the Region since a region - * cannot be deleted when segments are in use. - * - */ - -/*PAGE - * - * _Region_MP_Send_extract_proxy - * - */ - -void _Region_MP_Send_extract_proxy ( - Thread_Control *the_thread -) -{ - _Region_MP_Send_process_packet( - REGION_MP_EXTRACT_PROXY, - the_thread->Wait.id, - (rtems_name) 0, - the_thread->Object.id - ); -} - -/*PAGE - * - * _Region_MP_Get_packet - * - */ - -Region_MP_Packet *_Region_MP_Get_packet ( void ) -{ - return ( (Region_MP_Packet *) _MPCI_Get_packet() ); -} - -/* end of file */ diff --git a/cpukit/rtems/src/rtclock.c b/cpukit/rtems/src/rtclock.c deleted file mode 100644 index ea340ae5f4..0000000000 --- a/cpukit/rtems/src/rtclock.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Clock Manager - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/clock.h> -#include <rtems/score/isr.h> -#include <rtems/score/thread.h> -#include <rtems/score/tod.h> -#include <rtems/score/watchdog.h> - -/*PAGE - * - * rtems_clock_get - * - * This directive returns the current date and time. If the time has - * not been set by a tm_set then an error is returned. - * - * Input parameters: - * option - which value to return - * time_buffer - pointer to output buffer (a time and date structure - * or an interval) - * - * Output parameters: - * time_buffer - output filled in - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_clock_get( - rtems_clock_get_options option, - void *time_buffer -) -{ - ISR_Level level; - rtems_interval tmp; - - switch ( option ) { - case RTEMS_CLOCK_GET_TOD: - if ( !_TOD_Is_set() ) - return RTEMS_NOT_DEFINED; - - *(rtems_time_of_day *)time_buffer = _TOD_Current; - return RTEMS_SUCCESSFUL; - - case RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH: - if ( !_TOD_Is_set() ) - return RTEMS_NOT_DEFINED; - - *(rtems_interval *)time_buffer = _TOD_Seconds_since_epoch; - return RTEMS_SUCCESSFUL; - - case RTEMS_CLOCK_GET_TICKS_SINCE_BOOT: - *(rtems_interval *)time_buffer = _TOD_Ticks_since_boot; - return RTEMS_SUCCESSFUL; - - case RTEMS_CLOCK_GET_TICKS_PER_SECOND: - *(rtems_interval *)time_buffer = _TOD_Ticks_per_second; - return RTEMS_SUCCESSFUL; - - case RTEMS_CLOCK_GET_TIME_VALUE: - if ( !_TOD_Is_set() ) - return RTEMS_NOT_DEFINED; - - _ISR_Disable( level ); - ((rtems_clock_time_value *)time_buffer)->seconds = - _TOD_Seconds_since_epoch; - tmp = _TOD_Current.ticks; - _ISR_Enable( level ); - - tmp *= _TOD_Microseconds_per_tick; - ((rtems_clock_time_value *)time_buffer)->microseconds = tmp; - - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* should never get here */ - -} - -/*PAGE - * - * rtems_clock_set - * - * This directive sets the date and time for this node. - * - * Input parameters: - * time_buffer - pointer to the time and date structure - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_clock_set( - rtems_time_of_day *time_buffer -) -{ - rtems_interval seconds; - - if ( _TOD_Validate( time_buffer ) ) { - seconds = _TOD_To_seconds( time_buffer ); - _Thread_Disable_dispatch(); - _TOD_Set( time_buffer, seconds ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - return RTEMS_INVALID_CLOCK; -} - -/*PAGE - * - * rtems_clock_tick - * - * This directive notifies the executve that a tick has occurred. - * When the tick occurs the time manager updates and maintains - * the calendar time, timeslicing, and any timeout delays. - * - * Input parameters: NONE - * - * Output parameters: - * RTEMS_SUCCESSFUL - always succeeds - * - * NOTE: This routine only works for leap-years through 2099. - */ - -rtems_status_code rtems_clock_tick( void ) -{ - _TOD_Tickle_ticks(); - - _Watchdog_Tickle_ticks(); - - _Thread_Tickle_timeslice(); - - if ( _Thread_Is_context_switch_necessary() && - _Thread_Is_dispatching_enabled() ) - _Thread_Dispatch(); - - return RTEMS_SUCCESSFUL; -} diff --git a/cpukit/rtems/src/rtemstimer.c b/cpukit/rtems/src/rtemstimer.c deleted file mode 100644 index 6c3005ffbe..0000000000 --- a/cpukit/rtems/src/rtemstimer.c +++ /dev/null @@ -1,349 +0,0 @@ -/* - * Timer Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/score/object.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/timer.h> -#include <rtems/score/tod.h> -#include <rtems/score/watchdog.h> - -/*PAGE - * - * _Timer_Manager_initialization - * - * This routine initializes all timer manager related data structures. - * - * Input parameters: - * maximum_timers - number of timers to initialize - * - * Output parameters: NONE - */ - -void _Timer_Manager_initialization( - unsigned32 maximum_timers -) -{ - _Objects_Initialize_information( - &_Timer_Information, - OBJECTS_RTEMS_TIMERS, - FALSE, - maximum_timers, - sizeof( Timer_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); -} - -/*PAGE - * - * rtems_timer_create - * - * This directive creates a timer and performs some initialization. - * - * Input parameters: - * name - timer name - * id - pointer to timer id - * - * Output parameters: - * id - timer id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_create( - rtems_name name, - Objects_Id *id -) -{ - Timer_Control *the_timer; - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - _Thread_Disable_dispatch(); /* to prevent deletion */ - - the_timer = _Timer_Allocate(); - - if ( !the_timer ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - the_timer->the_class = TIMER_DORMANT; - - _Objects_Open( &_Timer_Information, &the_timer->Object, &name ); - - *id = the_timer->Object.id; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_timer_ident - * - * This directive returns the system ID associated with - * the timer name. - * - * Input parameters: - * name - user defined message queue name - * id - pointer to timer id - * - * Output parameters: - * *id - message queue id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_ident( - rtems_name name, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( - &_Timer_Information, - &name, - OBJECTS_SEARCH_LOCAL_NODE, - id - ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_timer_cancel - * - * This directive allows a thread to cancel a timer. - * - * Input parameters: - * id - timer id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_cancel( - Objects_Id id -) -{ - Timer_Control *the_timer; - Objects_Locations location; - - the_timer = _Timer_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - if ( !_Timer_Is_dormant_class( the_timer->the_class ) ) - (void) _Watchdog_Remove( &the_timer->Ticker ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_timer_delete - * - * This directive allows a thread to delete a timer. - * - * Input parameters: - * id - timer id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_delete( - Objects_Id id -) -{ - Timer_Control *the_timer; - Objects_Locations location; - - the_timer = _Timer_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - _Objects_Close( &_Timer_Information, &the_timer->Object ); - (void) _Watchdog_Remove( &the_timer->Ticker ); - _Timer_Free( the_timer ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_timer_fire_after - * - * This directive allows a thread to start a timer. - * - * Input parameters: - * id - timer id - * ticks - interval until routine is fired - * routine - routine to schedule - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_fire_after( - Objects_Id id, - rtems_interval ticks, - rtems_timer_service_routine_entry routine, - void *user_data -) -{ - Timer_Control *the_timer; - Objects_Locations location; - - if ( ticks == 0 ) - return RTEMS_INVALID_NUMBER; - - the_timer = _Timer_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - (void) _Watchdog_Remove( &the_timer->Ticker ); - the_timer->the_class = TIMER_INTERVAL; - _Watchdog_Initialize( &the_timer->Ticker, routine, id, user_data ); - _Watchdog_Insert_ticks( &the_timer->Ticker, ticks ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_timer_fire_when - * - * This directive allows a thread to start a timer. - * - * Input parameters: - * id - timer id - * wall_time - time of day to fire timer - * routine - routine to schedule - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_fire_when( - Objects_Id id, - rtems_time_of_day *wall_time, - rtems_timer_service_routine_entry routine, - void *user_data -) -{ - Timer_Control *the_timer; - Objects_Locations location; - rtems_interval seconds; - - if ( !_TOD_Is_set() ) - return RTEMS_NOT_DEFINED; - - if ( !_TOD_Validate( wall_time ) ) - return RTEMS_INVALID_CLOCK; - - seconds = _TOD_To_seconds( wall_time ); - if ( seconds <= _TOD_Seconds_since_epoch ) - return RTEMS_INVALID_CLOCK; - - the_timer = _Timer_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - (void) _Watchdog_Remove( &the_timer->Ticker ); - the_timer->the_class = TIMER_TIME_OF_DAY; - _Watchdog_Initialize( &the_timer->Ticker, routine, id, user_data ); - _Watchdog_Insert_seconds( - &the_timer->Ticker, - seconds - _TOD_Seconds_since_epoch - ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_timer_reset - * - * This directive allows a thread to reset a timer. - * - * Input parameters: - * id - timer id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_timer_reset( - Objects_Id id -) -{ - Timer_Control *the_timer; - Objects_Locations location; - - the_timer = _Timer_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: /* should never return this */ - return RTEMS_INTERNAL_ERROR; - case OBJECTS_LOCAL: - if ( _Timer_Is_interval_class( the_timer->the_class ) ) { - _Watchdog_Reset( &the_timer->Ticker ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_NOT_DEFINED; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} diff --git a/cpukit/rtems/src/sem.c b/cpukit/rtems/src/sem.c deleted file mode 100644 index 004176f4fb..0000000000 --- a/cpukit/rtems/src/sem.c +++ /dev/null @@ -1,570 +0,0 @@ -/* - * Semaphore Manager - * - * DESCRIPTION: - * - * This package is the implementation of the Semaphore Manager. - * This manager utilizes standard Dijkstra counting semaphores to provide - * synchronization and mutual exclusion capabilities. - * - * Directives provided are: - * - * + create a semaphore - * + get an ID of a semaphore - * + delete a semaphore - * + acquire a semaphore - * + release a semaphore - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/rtems/attr.h> -#include <rtems/score/isr.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/sem.h> -#include <rtems/score/coremutex.h> -#include <rtems/score/coresem.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/mpci.h> -#include <rtems/score/sysstate.h> - -#include <rtems/score/interr.h> - -/*PAGE - * - * _Semaphore_Manager_initialization - * - * This routine initializes all semaphore manager related data structures. - * - * Input parameters: - * maximum_semaphores - maximum configured semaphores - * - * Output parameters: NONE - */ - -void _Semaphore_Manager_initialization( - unsigned32 maximum_semaphores -) -{ - _Objects_Initialize_information( - &_Semaphore_Information, - OBJECTS_RTEMS_SEMAPHORES, - TRUE, - maximum_semaphores, - sizeof( Semaphore_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - FALSE - ); - - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( - MP_PACKET_SEMAPHORE, - _Semaphore_MP_Process_packet - ); - -} - -/*PAGE - * - * rtems_semaphore_create - * - * This directive creates a semaphore and sets the initial value based - * on the given count. A semaphore id is returned. - * - * Input parameters: - * name - user defined semaphore name - * count - initial count of semaphore - * attribute_set - semaphore attributes - * priority_ceiling - semaphore's ceiling priority - * id - pointer to semaphore id - * - * Output parameters: - * id - semaphore id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_semaphore_create( - rtems_name name, - unsigned32 count, - rtems_attribute attribute_set, - rtems_task_priority priority_ceiling, - Objects_Id *id -) -{ - register Semaphore_Control *the_semaphore; - CORE_mutex_Attributes the_mutex_attributes; - CORE_semaphore_Attributes the_semaphore_attributes; - unsigned32 lock; - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - if ( _Attributes_Is_global( attribute_set ) ) { - - if ( !_System_state_Is_multiprocessing ) - return RTEMS_MP_NOT_CONFIGURED; - - if ( _Attributes_Is_inherit_priority( attribute_set ) ) - return RTEMS_NOT_DEFINED; - - } else if ( _Attributes_Is_inherit_priority( attribute_set ) ) { - - if ( ! ( _Attributes_Is_binary_semaphore( attribute_set ) && - _Attributes_Is_priority( attribute_set ) ) ) - return RTEMS_NOT_DEFINED; - - } - - if ( _Attributes_Is_binary_semaphore( attribute_set ) && ( count > 1 ) ) - return RTEMS_INVALID_NUMBER; - - _Thread_Disable_dispatch(); /* prevents deletion */ - - the_semaphore = _Semaphore_Allocate(); - - if ( !the_semaphore ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - if ( _Attributes_Is_global( attribute_set ) && - ! ( _Objects_MP_Allocate_and_open( &_Semaphore_Information, name, - the_semaphore->Object.id, FALSE ) ) ) { - _Semaphore_Free( the_semaphore ); - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - the_semaphore->attribute_set = attribute_set; - - if ( _Attributes_Is_binary_semaphore( attribute_set ) ) { - if ( _Attributes_Is_inherit_priority( attribute_set ) ) - the_mutex_attributes.discipline = CORE_MUTEX_DISCIPLINES_PRIORITY_INHERIT; - else if (_Attributes_Is_priority_ceiling( attribute_set ) ) - the_mutex_attributes.discipline = CORE_MUTEX_DISCIPLINES_PRIORITY_CEILING; - else if (_Attributes_Is_priority( attribute_set ) ) - the_mutex_attributes.discipline = CORE_MUTEX_DISCIPLINES_PRIORITY; - else - the_mutex_attributes.discipline = CORE_MUTEX_DISCIPLINES_FIFO; - - the_mutex_attributes.allow_nesting = TRUE; - - /* Add priority ceiling code here ????? */ - - the_mutex_attributes.priority_ceiling = priority_ceiling; - - if ( count == 1 ) - lock = CORE_MUTEX_UNLOCKED; - else - lock = CORE_MUTEX_LOCKED; - - _CORE_mutex_Initialize( - &the_semaphore->Core_control.mutex, - OBJECTS_RTEMS_SEMAPHORES, - &the_mutex_attributes, - lock, - _Semaphore_MP_Send_extract_proxy - ); - } - else { - if ( _Attributes_Is_priority( attribute_set ) ) - the_semaphore_attributes.discipline = CORE_SEMAPHORE_DISCIPLINES_PRIORITY; - else - the_semaphore_attributes.discipline = CORE_SEMAPHORE_DISCIPLINES_FIFO; - - /* - * The following are just to make Purify happy. - */ - - the_mutex_attributes.allow_nesting = TRUE; - the_mutex_attributes.priority_ceiling = PRIORITY_MINIMUM; - - _CORE_semaphore_Initialize( - &the_semaphore->Core_control.semaphore, - OBJECTS_RTEMS_SEMAPHORES, - &the_semaphore_attributes, - count, - _Semaphore_MP_Send_extract_proxy - ); - } - - _Objects_Open( &_Semaphore_Information, &the_semaphore->Object, &name ); - - *id = the_semaphore->Object.id; - - if ( _Attributes_Is_global( attribute_set ) ) - _Semaphore_MP_Send_process_packet( - SEMAPHORE_MP_ANNOUNCE_CREATE, - the_semaphore->Object.id, - name, - 0 /* Not used */ - ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_semaphore_ident - * - * This directive returns the system ID associated with - * the semaphore name. - * - * Input parameters: - * name - user defined semaphore name - * node - node(s) to be searched - * id - pointer to semaphore id - * - * Output parameters: - * *id - semaphore id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_semaphore_ident( - rtems_name name, - unsigned32 node, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - status = _Objects_Name_to_id( &_Semaphore_Information, &name, node, id ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_semaphore_delete - * - * This directive allows a thread to delete a semaphore specified by - * the semaphore id. The semaphore is freed back to the inactive - * semaphore chain. - * - * Input parameters: - * id - semaphore id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_semaphore_delete( - Objects_Id id -) -{ - register Semaphore_Control *the_semaphore; - Objects_Locations location; - - the_semaphore = _Semaphore_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; - case OBJECTS_LOCAL: - if ( _Attributes_Is_binary_semaphore( the_semaphore->attribute_set) ) { - if ( _CORE_mutex_Is_locked( &the_semaphore->Core_control.mutex ) ) { - _Thread_Enable_dispatch(); - return RTEMS_RESOURCE_IN_USE; - } - else - _CORE_mutex_Flush( - &the_semaphore->Core_control.mutex, - _Semaphore_MP_Send_object_was_deleted, - CORE_MUTEX_WAS_DELETED - ); - } - else - _CORE_semaphore_Flush( - &the_semaphore->Core_control.semaphore, - _Semaphore_MP_Send_object_was_deleted, - CORE_SEMAPHORE_WAS_DELETED - ); - - _Objects_Close( &_Semaphore_Information, &the_semaphore->Object ); - - _Semaphore_Free( the_semaphore ); - - if ( _Attributes_Is_global( the_semaphore->attribute_set ) ) { - - _Objects_MP_Close( &_Semaphore_Information, the_semaphore->Object.id ); - - _Semaphore_MP_Send_process_packet( - SEMAPHORE_MP_ANNOUNCE_DELETE, - the_semaphore->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_semaphore_obtain - * - * This directive allows a thread to acquire a semaphore. - * - * Input parameters: - * id - semaphore id - * option_set - wait option - * timeout - number of ticks to wait (0 means wait forever) - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_semaphore_obtain( - Objects_Id id, - unsigned32 option_set, - rtems_interval timeout -) -{ - register Semaphore_Control *the_semaphore; - Objects_Locations location; - boolean wait; - - the_semaphore = _Semaphore_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return _Semaphore_MP_Send_request_packet( - SEMAPHORE_MP_OBTAIN_REQUEST, - id, - option_set, - timeout - ); - case OBJECTS_LOCAL: - if ( _Options_Is_no_wait( option_set ) ) - wait = FALSE; - else - wait = TRUE; - - if ( _Attributes_Is_binary_semaphore( the_semaphore->attribute_set ) ) { - _CORE_mutex_Seize( - &the_semaphore->Core_control.mutex, - id, - wait, - timeout - ); - _Thread_Enable_dispatch(); - return _Semaphore_Translate_core_mutex_return_code( - _Thread_Executing->Wait.return_code ); - } else { - _CORE_semaphore_Seize( - &the_semaphore->Core_control.semaphore, - id, - wait, - timeout - ); - _Thread_Enable_dispatch(); - return _Semaphore_Translate_core_semaphore_return_code( - _Thread_Executing->Wait.return_code ); - } - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_semaphore_release - * - * This directive allows a thread to release a semaphore. - * - * Input parameters: - * id - semaphore id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_semaphore_release( - Objects_Id id -) -{ - register Semaphore_Control *the_semaphore; - Objects_Locations location; - CORE_mutex_Status mutex_status; - CORE_semaphore_Status semaphore_status; - - the_semaphore = _Semaphore_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return _Semaphore_MP_Send_request_packet( - SEMAPHORE_MP_RELEASE_REQUEST, - id, - 0, /* Not used */ - MPCI_DEFAULT_TIMEOUT - ); - case OBJECTS_LOCAL: - if ( _Attributes_Is_binary_semaphore( the_semaphore->attribute_set ) ) { - mutex_status = _CORE_mutex_Surrender( - &the_semaphore->Core_control.mutex, - id, - _Semaphore_Core_mutex_mp_support - ); - _Thread_Enable_dispatch(); - return _Semaphore_Translate_core_mutex_return_code( mutex_status ); - } - else - semaphore_status = _CORE_semaphore_Surrender( - &the_semaphore->Core_control.semaphore, - id, - _Semaphore_Core_semaphore_mp_support - ); - _Thread_Enable_dispatch(); - return - _Semaphore_Translate_core_semaphore_return_code( semaphore_status ); - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Semaphore_Translate_core_mutex_return_code - * - * Input parameters: - * the_mutex_status - mutex status code to translate - * - * Output parameters: - * rtems status code - translated RTEMS status code - * - */ - -rtems_status_code _Semaphore_Translate_core_mutex_return_code ( - unsigned32 the_mutex_status -) -{ - switch ( the_mutex_status ) { - case CORE_MUTEX_STATUS_SUCCESSFUL: - return RTEMS_SUCCESSFUL; - case CORE_MUTEX_STATUS_UNSATISFIED_NOWAIT: - return RTEMS_UNSATISFIED; - case CORE_MUTEX_STATUS_NESTING_NOT_ALLOWED: - return RTEMS_INTERNAL_ERROR; - case CORE_MUTEX_STATUS_NOT_OWNER_OF_RESOURCE: - return RTEMS_NOT_OWNER_OF_RESOURCE; - case CORE_MUTEX_WAS_DELETED: - return RTEMS_OBJECT_WAS_DELETED; - case CORE_MUTEX_TIMEOUT: - return RTEMS_TIMEOUT; - case THREAD_STATUS_PROXY_BLOCKING: - return THREAD_STATUS_PROXY_BLOCKING; - } - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Semaphore_Translate_core_semaphore_return_code - * - * Input parameters: - * the_semaphore_status - semaphore status code to translate - * - * Output parameters: - * rtems status code - translated RTEMS status code - * - */ - -rtems_status_code _Semaphore_Translate_core_semaphore_return_code ( - unsigned32 the_semaphore_status -) -{ - switch ( the_semaphore_status ) { - case CORE_SEMAPHORE_STATUS_SUCCESSFUL: - return RTEMS_SUCCESSFUL; - case CORE_SEMAPHORE_STATUS_UNSATISFIED_NOWAIT: - return RTEMS_UNSATISFIED; - case CORE_SEMAPHORE_WAS_DELETED: - return RTEMS_OBJECT_WAS_DELETED; - case CORE_SEMAPHORE_TIMEOUT: - return RTEMS_TIMEOUT; - case THREAD_STATUS_PROXY_BLOCKING: - return THREAD_STATUS_PROXY_BLOCKING; - } - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * _Semaphore_Core_mutex_mp_support - * - * Input parameters: - * the_thread - the remote thread the semaphore was surrendered to - * id - id of the surrendered semaphore - * - * Output parameters: NONE - */ - -void _Semaphore_Core_mutex_mp_support ( - Thread_Control *the_thread, - Objects_Id id -) -{ - the_thread->receive_packet->return_code = RTEMS_SUCCESSFUL; - - _Semaphore_MP_Send_response_packet( - SEMAPHORE_MP_OBTAIN_RESPONSE, - id, - the_thread - ); -} - - -/*PAGE - * - * _Semaphore_Core_semaphore_mp_support - * - * Input parameters: - * the_thread - the remote thread the semaphore was surrendered to - * id - id of the surrendered semaphore - * - * Output parameters: NONE - */ - -void _Semaphore_Core_semaphore_mp_support ( - Thread_Control *the_thread, - Objects_Id id -) -{ - the_thread->receive_packet->return_code = RTEMS_SUCCESSFUL; - - _Semaphore_MP_Send_response_packet( - SEMAPHORE_MP_OBTAIN_RESPONSE, - id, - the_thread - ); -} diff --git a/cpukit/rtems/src/semmp.c b/cpukit/rtems/src/semmp.c deleted file mode 100644 index 7e7d59ba8e..0000000000 --- a/cpukit/rtems/src/semmp.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * Multiprocessing Support for the Semaphore Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/score/mpci.h> -#include <rtems/score/mppkt.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/sem.h> -#include <rtems/score/thread.h> -#include <rtems/score/watchdog.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Semaphore_MP_Send_process_packet - * - */ - -void _Semaphore_MP_Send_process_packet ( - Semaphore_MP_Remote_operations operation, - Objects_Id semaphore_id, - rtems_name name, - Objects_Id proxy_id -) -{ - Semaphore_MP_Packet *the_packet; - unsigned32 node; - - switch ( operation ) { - - case SEMAPHORE_MP_ANNOUNCE_CREATE: - case SEMAPHORE_MP_ANNOUNCE_DELETE: - case SEMAPHORE_MP_EXTRACT_PROXY: - - the_packet = _Semaphore_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_SEMAPHORE; - the_packet->Prefix.length = sizeof ( Semaphore_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Semaphore_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = semaphore_id; - the_packet->name = name; - the_packet->proxy_id = proxy_id; - - if ( operation == SEMAPHORE_MP_EXTRACT_PROXY ) - node = rtems_get_node( semaphore_id ); - else - node = MPCI_ALL_NODES; - - _MPCI_Send_process_packet( node, &the_packet->Prefix ); - break; - - case SEMAPHORE_MP_OBTAIN_REQUEST: - case SEMAPHORE_MP_OBTAIN_RESPONSE: - case SEMAPHORE_MP_RELEASE_REQUEST: - case SEMAPHORE_MP_RELEASE_RESPONSE: - break; - } -} - -/*PAGE - * - * _Semaphore_MP_Send_request_packet - * - */ - -rtems_status_code _Semaphore_MP_Send_request_packet ( - Semaphore_MP_Remote_operations operation, - Objects_Id semaphore_id, - rtems_option option_set, - rtems_interval timeout -) -{ - Semaphore_MP_Packet *the_packet; - - switch ( operation ) { - - case SEMAPHORE_MP_OBTAIN_REQUEST: - case SEMAPHORE_MP_RELEASE_REQUEST: - - the_packet = _Semaphore_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_SEMAPHORE; - the_packet->Prefix.length = sizeof ( Semaphore_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Semaphore_MP_Packet ); - if ( ! _Options_Is_no_wait(option_set)) - the_packet->Prefix.timeout = timeout; - - the_packet->operation = operation; - the_packet->Prefix.id = semaphore_id; - the_packet->option_set = option_set; - - return _MPCI_Send_request_packet( - rtems_get_node( semaphore_id ), - &the_packet->Prefix, - STATES_WAITING_FOR_SEMAPHORE - ); - break; - - case SEMAPHORE_MP_ANNOUNCE_CREATE: - case SEMAPHORE_MP_ANNOUNCE_DELETE: - case SEMAPHORE_MP_EXTRACT_PROXY: - case SEMAPHORE_MP_OBTAIN_RESPONSE: - case SEMAPHORE_MP_RELEASE_RESPONSE: - break; - - } - /* - * The following line is included to satisfy compilers which - * produce warnings when a function does not end with a return. - */ - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * _Semaphore_MP_Send_response_packet - * - */ - -void _Semaphore_MP_Send_response_packet ( - Semaphore_MP_Remote_operations operation, - Objects_Id semaphore_id, - Thread_Control *the_thread -) -{ - Semaphore_MP_Packet *the_packet; - - switch ( operation ) { - - case SEMAPHORE_MP_OBTAIN_RESPONSE: - case SEMAPHORE_MP_RELEASE_RESPONSE: - - the_packet = ( Semaphore_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case SEMAPHORE_MP_ANNOUNCE_CREATE: - case SEMAPHORE_MP_ANNOUNCE_DELETE: - case SEMAPHORE_MP_EXTRACT_PROXY: - case SEMAPHORE_MP_OBTAIN_REQUEST: - case SEMAPHORE_MP_RELEASE_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _Semaphore_MP_Process_packet - * - */ - -void _Semaphore_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - Semaphore_MP_Packet *the_packet; - Thread_Control *the_thread; - boolean ignored; - - the_packet = (Semaphore_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case SEMAPHORE_MP_ANNOUNCE_CREATE: - - ignored = _Objects_MP_Allocate_and_open( - &_Semaphore_Information, - the_packet->name, - the_packet->Prefix.id, - TRUE - ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case SEMAPHORE_MP_ANNOUNCE_DELETE: - - _Objects_MP_Close( &_Semaphore_Information, the_packet->Prefix.id ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case SEMAPHORE_MP_EXTRACT_PROXY: - - the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id ); - - if ( ! _Thread_Is_null( the_thread ) ) - _Thread_queue_Extract( the_thread->Wait.queue, the_thread ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case SEMAPHORE_MP_OBTAIN_REQUEST: - - the_packet->Prefix.return_code = rtems_semaphore_obtain( - the_packet->Prefix.id, - the_packet->option_set, - the_packet->Prefix.timeout - ); - - if ( ! _Thread_Is_proxy_blocking( the_packet->Prefix.return_code ) ) - _Semaphore_MP_Send_response_packet( - SEMAPHORE_MP_OBTAIN_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - - case SEMAPHORE_MP_OBTAIN_RESPONSE: - case SEMAPHORE_MP_RELEASE_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case SEMAPHORE_MP_RELEASE_REQUEST: - - the_packet->Prefix.return_code = rtems_semaphore_release( - the_packet->Prefix.id - ); - - _Semaphore_MP_Send_response_packet( - SEMAPHORE_MP_RELEASE_RESPONSE, - the_packet->Prefix.id, - _Thread_Executing - ); - break; - } -} - -/*PAGE - * - * _Semaphore_MP_Send_object_was_deleted - * - */ - -void _Semaphore_MP_Send_object_was_deleted ( - Thread_Control *the_proxy -) -{ - the_proxy->receive_packet->return_code = RTEMS_OBJECT_WAS_DELETED; - - _Semaphore_MP_Send_response_packet( - SEMAPHORE_MP_OBTAIN_RESPONSE, - the_proxy->Wait.id, - the_proxy - ); - -} - -/*PAGE - * - * _Semaphore_MP_Send_extract_proxy - * - */ - -void _Semaphore_MP_Send_extract_proxy ( - Thread_Control *the_thread -) -{ - _Semaphore_MP_Send_process_packet( - SEMAPHORE_MP_EXTRACT_PROXY, - the_thread->Wait.id, - (rtems_name) 0, - the_thread->Object.id - ); - -} - -/*PAGE - * - * _Semaphore_MP_Get_packet - * - */ - -Semaphore_MP_Packet *_Semaphore_MP_Get_packet ( void ) -{ - return ( (Semaphore_MP_Packet *) _MPCI_Get_packet() ); -} - -/* end of file */ diff --git a/cpukit/rtems/src/signal.c b/cpukit/rtems/src/signal.c deleted file mode 100644 index 10aefa391c..0000000000 --- a/cpukit/rtems/src/signal.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Signal Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/asr.h> -#include <rtems/score/isr.h> -#include <rtems/rtems/modes.h> -#include <rtems/rtems/signal.h> -#include <rtems/score/thread.h> -#include <rtems/rtems/tasks.h> - -/*PAGE - * - * _Signal_Manager_initialization - * - * This routine initializes all signal manager related data structures. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void _Signal_Manager_initialization( void ) -{ - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( - MP_PACKET_SIGNAL, - _Signal_MP_Process_packet - ); -} - -/*PAGE - * - * rtems_signal_catch - * - * This directive allows a thread to specify what action to take when - * catching signals. - * - * Input parameters: - * handler - address of asynchronous signal routine (asr) - * ( NULL indicates asr is invalid ) - * mode_set - mode value for asr - * - * Output parameters: - * RTEMS_SUCCESSFUL - always succeeds - */ - -rtems_status_code rtems_signal_catch( - rtems_asr_entry asr_handler, - rtems_mode mode_set -) -{ - Thread_Control *executing; - RTEMS_API_Control *api; - ASR_Information *asr; - -/* XXX normalize mode */ - executing = _Thread_Executing; - api = executing->API_Extensions[ THREAD_API_RTEMS ]; - asr = &api->Signal; - - _Thread_Disable_dispatch(); /* cannot reschedule while */ - /* the thread is inconsistent */ - - if ( !_ASR_Is_null_handler( asr_handler ) ) { - asr->mode_set = mode_set; - asr->handler = asr_handler; - } - else - _ASR_Initialize( asr ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_signal_send - * - * This directive allows a thread to send signals to a thread. - * - * Input parameters: - * id - thread id - * signal_set - signal set - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_signal_send( - Objects_Id id, - rtems_signal_set signal_set -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - RTEMS_API_Control *api; - ASR_Information *asr; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return _Signal_MP_Send_request_packet( - SIGNAL_MP_SEND_REQUEST, - id, - signal_set - ); - case OBJECTS_LOCAL: - api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; - asr = &api->Signal; - - if ( ! _ASR_Is_null_handler( asr->handler ) ) { - if ( asr->is_enabled ) { - _ASR_Post_signals( signal_set, &asr->signals_posted ); - - the_thread->do_post_task_switch_extension = TRUE; - - if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) ) - _ISR_Signals_to_thread_executing = TRUE; - } else { - _ASR_Post_signals( signal_set, &asr->signals_pending ); - } - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_NOT_DEFINED; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} diff --git a/cpukit/rtems/src/signalmp.c b/cpukit/rtems/src/signalmp.c deleted file mode 100644 index b3a6ecf18c..0000000000 --- a/cpukit/rtems/src/signalmp.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * Multiprocessing Support for the Signal Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/score/mpci.h> -#include <rtems/score/mppkt.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/signal.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> -#include <rtems/score/watchdog.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _Signal_MP_Send_process_packet - * - * This subprogram is not needed since there are no process - * packets to be sent by this manager. - * - */ - -/*PAGE - * - * _Signal_MP_Send_request_packet - * - */ - -rtems_status_code _Signal_MP_Send_request_packet ( - Signal_MP_Remote_operations operation, - Objects_Id task_id, - rtems_signal_set signal_in -) -{ - Signal_MP_Packet *the_packet; - - switch ( operation ) { - - case SIGNAL_MP_SEND_REQUEST: - - the_packet = _Signal_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_SIGNAL; - the_packet->Prefix.length = sizeof ( Signal_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( Signal_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = task_id; - the_packet->signal_in = signal_in; - - return _MPCI_Send_request_packet( - rtems_get_node( task_id ), - &the_packet->Prefix, - STATES_READY /* Not used */ - ); - break; - - case SIGNAL_MP_SEND_RESPONSE: - break; - - } - /* - * The following line is included to satisfy compilers which - * produce warnings when a function does not end with a return. - */ - return RTEMS_INTERNAL_ERROR; -} - -/*PAGE - * - * _Signal_MP_Send_response_packet - * - */ - -void _Signal_MP_Send_response_packet ( - Signal_MP_Remote_operations operation, - Thread_Control *the_thread -) -{ - Signal_MP_Packet *the_packet; - - switch ( operation ) { - - case SIGNAL_MP_SEND_RESPONSE: - - the_packet = ( Signal_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case SIGNAL_MP_SEND_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _Signal_MP_Process_packet - * - */ - -void _Signal_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - Signal_MP_Packet *the_packet; - Thread_Control *the_thread; - - the_packet = (Signal_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case SIGNAL_MP_SEND_REQUEST: - - the_packet->Prefix.return_code = rtems_signal_send( - the_packet->Prefix.id, - the_packet->signal_in - ); - - _Signal_MP_Send_response_packet( - SIGNAL_MP_SEND_RESPONSE, - _Thread_Executing - ); - break; - - case SIGNAL_MP_SEND_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - } -} - -/*PAGE - * - * _Signal_MP_Send_object_was_deleted - * - * This subprogram is not needed since there are no objects - * deleted by this manager. - * - */ - -/*PAGE - * - * _Signal_MP_Send_extract_proxy - * - * This subprogram is not needed since there are no objects - * deleted by this manager. - * - */ - -/*PAGE - * - * _Signal_MP_Get_packet - * - */ - -Signal_MP_Packet *_Signal_MP_Get_packet ( void ) -{ - return ( (Signal_MP_Packet *) _MPCI_Get_packet() ); -} - -/* end of file */ diff --git a/cpukit/rtems/src/taskmp.c b/cpukit/rtems/src/taskmp.c deleted file mode 100644 index 8edccb05e9..0000000000 --- a/cpukit/rtems/src/taskmp.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * Multiprocessing Support for the RTEMS Task Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/score/mpci.h> -#include <rtems/score/mppkt.h> -#include <rtems/score/object.h> -#include <rtems/rtems/options.h> -#include <rtems/rtems/tasks.h> -#include <rtems/score/thread.h> -#include <rtems/score/watchdog.h> -#include <rtems/rtems/support.h> - -/*PAGE - * - * _RTEMS_tasks_MP_Send_process_packet - * - */ - -void _RTEMS_tasks_MP_Send_process_packet ( - RTEMS_tasks_MP_Remote_operations operation, - Objects_Id task_id, - rtems_name name -) -{ - RTEMS_tasks_MP_Packet *the_packet; - - switch ( operation ) { - - case RTEMS_TASKS_MP_ANNOUNCE_CREATE: - case RTEMS_TASKS_MP_ANNOUNCE_DELETE: - - the_packet = _RTEMS_tasks_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_TASKS; - the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = task_id; - the_packet->name = name; - - _MPCI_Send_process_packet( MPCI_ALL_NODES, &the_packet->Prefix ); - break; - - case RTEMS_TASKS_MP_SUSPEND_REQUEST: - case RTEMS_TASKS_MP_SUSPEND_RESPONSE: - case RTEMS_TASKS_MP_RESUME_REQUEST: - case RTEMS_TASKS_MP_RESUME_RESPONSE: - case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: - case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: - case RTEMS_TASKS_MP_GET_NOTE_REQUEST: - case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: - case RTEMS_TASKS_MP_SET_NOTE_REQUEST: - case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: - break; - } -} - -/*PAGE - * - * _RTEMS_tasks_MP_Send_request_packet - * - */ - -rtems_status_code _RTEMS_tasks_MP_Send_request_packet ( - RTEMS_tasks_MP_Remote_operations operation, - Objects_Id task_id, - rtems_task_priority new_priority, - unsigned32 notepad, - unsigned32 note -) -{ - RTEMS_tasks_MP_Packet *the_packet; - - switch ( operation ) { - - case RTEMS_TASKS_MP_SUSPEND_REQUEST: - case RTEMS_TASKS_MP_RESUME_REQUEST: - case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: - case RTEMS_TASKS_MP_GET_NOTE_REQUEST: - case RTEMS_TASKS_MP_SET_NOTE_REQUEST: - - the_packet = _RTEMS_tasks_MP_Get_packet(); - the_packet->Prefix.the_class = MP_PACKET_TASKS; - the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet ); - the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet ); - the_packet->operation = operation; - the_packet->Prefix.id = task_id; - the_packet->the_priority = new_priority; - the_packet->notepad = notepad; - the_packet->note = note; - - return _MPCI_Send_request_packet( - rtems_get_node( task_id ), - &the_packet->Prefix, - STATES_READY /* Not used */ - ); - break; - - case RTEMS_TASKS_MP_ANNOUNCE_CREATE: - case RTEMS_TASKS_MP_ANNOUNCE_DELETE: - case RTEMS_TASKS_MP_SUSPEND_RESPONSE: - case RTEMS_TASKS_MP_RESUME_RESPONSE: - case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: - case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: - case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: - break; - - } - /* - * The following line is included to satisfy compilers which - * produce warnings when a function does not end with a return. - */ - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * _RTEMS_tasks_MP_Send_response_packet - * - */ - -void _RTEMS_tasks_MP_Send_response_packet ( - RTEMS_tasks_MP_Remote_operations operation, - Thread_Control *the_thread -) -{ - RTEMS_tasks_MP_Packet *the_packet; - - switch ( operation ) { - - case RTEMS_TASKS_MP_SUSPEND_RESPONSE: - case RTEMS_TASKS_MP_RESUME_RESPONSE: - case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: - case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: - case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: - - the_packet = (RTEMS_tasks_MP_Packet *) the_thread->receive_packet; - -/* - * The packet being returned already contains the class, length, and - * to_convert fields, therefore they are not set in this routine. - */ - the_packet->operation = operation; - the_packet->Prefix.id = the_packet->Prefix.source_tid; - - _MPCI_Send_response_packet( - rtems_get_node( the_packet->Prefix.source_tid ), - &the_packet->Prefix - ); - break; - - case RTEMS_TASKS_MP_ANNOUNCE_CREATE: - case RTEMS_TASKS_MP_ANNOUNCE_DELETE: - case RTEMS_TASKS_MP_SUSPEND_REQUEST: - case RTEMS_TASKS_MP_RESUME_REQUEST: - case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: - case RTEMS_TASKS_MP_GET_NOTE_REQUEST: - case RTEMS_TASKS_MP_SET_NOTE_REQUEST: - break; - - } -} - -/*PAGE - * - * - * _RTEMS_tasks_MP_Process_packet - * - */ - -void _RTEMS_tasks_MP_Process_packet ( - rtems_packet_prefix *the_packet_prefix -) -{ - RTEMS_tasks_MP_Packet *the_packet; - Thread_Control *the_thread; - boolean ignored; - - the_packet = (RTEMS_tasks_MP_Packet *) the_packet_prefix; - - switch ( the_packet->operation ) { - - case RTEMS_TASKS_MP_ANNOUNCE_CREATE: - - ignored = _Objects_MP_Allocate_and_open( - &_RTEMS_tasks_Information, - the_packet->name, - the_packet->Prefix.id, - TRUE - ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case RTEMS_TASKS_MP_ANNOUNCE_DELETE: - - _Objects_MP_Close( &_RTEMS_tasks_Information, the_packet->Prefix.id ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case RTEMS_TASKS_MP_SUSPEND_REQUEST: - - the_packet->Prefix.return_code = rtems_task_suspend( - the_packet->Prefix.id - ); - - _RTEMS_tasks_MP_Send_response_packet( - RTEMS_TASKS_MP_SUSPEND_RESPONSE, - _Thread_Executing - ); - break; - - case RTEMS_TASKS_MP_SUSPEND_RESPONSE: - case RTEMS_TASKS_MP_RESUME_RESPONSE: - case RTEMS_TASKS_MP_SET_NOTE_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case RTEMS_TASKS_MP_RESUME_REQUEST: - - the_packet->Prefix.return_code = rtems_task_resume( - the_packet->Prefix.id - ); - - _RTEMS_tasks_MP_Send_response_packet( - RTEMS_TASKS_MP_RESUME_RESPONSE, - _Thread_Executing - ); - break; - - case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST: - - the_packet->Prefix.return_code = rtems_task_set_priority( - the_packet->Prefix.id, - the_packet->the_priority, - &the_packet->the_priority - ); - - _RTEMS_tasks_MP_Send_response_packet( - RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE, - _Thread_Executing - ); - break; - - case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - *(rtems_task_priority *)the_thread->Wait.return_argument = - the_packet->the_priority; - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case RTEMS_TASKS_MP_GET_NOTE_REQUEST: - - the_packet->Prefix.return_code = rtems_task_get_note( - the_packet->Prefix.id, - the_packet->notepad, - &the_packet->note - ); - - _RTEMS_tasks_MP_Send_response_packet( - RTEMS_TASKS_MP_GET_NOTE_RESPONSE, - _Thread_Executing - ); - break; - - case RTEMS_TASKS_MP_GET_NOTE_RESPONSE: - - the_thread = _MPCI_Process_response( the_packet_prefix ); - - *(unsigned32 *)the_thread->Wait.return_argument = the_packet->note; - - _MPCI_Return_packet( the_packet_prefix ); - break; - - case RTEMS_TASKS_MP_SET_NOTE_REQUEST: - - the_packet->Prefix.return_code = rtems_task_set_note( - the_packet->Prefix.id, - the_packet->notepad, - the_packet->note - ); - - _RTEMS_tasks_MP_Send_response_packet( - RTEMS_TASKS_MP_SET_NOTE_RESPONSE, - _Thread_Executing - ); - break; - } -} - -/*PAGE - * - * _RTEMS_tasks_MP_Send_object_was_deleted - * - * This routine is not neededby the Tasks since a task - * cannot be globally deleted. - * - */ - -/*PAGE - * - * _RTEMS_tasks_MP_Send_extract_proxy - * - * This routine is not neededby the Tasks since a task - * cannot be globally deleted. - * - */ - -/*PAGE - * - * _RTEMS_tasks_MP_Get_packet - * - */ - -RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void ) -{ - return (RTEMS_tasks_MP_Packet *) _MPCI_Get_packet(); -} - -/* end of file */ diff --git a/cpukit/rtems/src/tasks.c b/cpukit/rtems/src/tasks.c deleted file mode 100644 index 0b30fcce69..0000000000 --- a/cpukit/rtems/src/tasks.c +++ /dev/null @@ -1,1098 +0,0 @@ -/* - * RTEMS Task Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/rtems/modes.h> -#include <rtems/score/object.h> -#include <rtems/score/stack.h> -#include <rtems/score/states.h> -#include <rtems/rtems/tasks.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/tod.h> -#include <rtems/score/userext.h> -#include <rtems/score/wkspace.h> -#include <rtems/score/apiext.h> -#include <rtems/score/sysstate.h> - -/*PAGE - * - * _RTEMS_tasks_Create_extension - * - * XXX - */ - -boolean _RTEMS_tasks_Create_extension( - Thread_Control *executing, - Thread_Control *created -) -{ - RTEMS_API_Control *api; - - api = _Workspace_Allocate( sizeof( RTEMS_API_Control ) ); - - if ( !api ) - return FALSE; - - created->API_Extensions[ THREAD_API_RTEMS ] = api; - - api->pending_events = EVENT_SETS_NONE_PENDING; - _ASR_Initialize( &api->Signal ); - return TRUE; -} - -/*PAGE - * - * _RTEMS_tasks_Start_extension - * - * XXX - */ - -User_extensions_routine _RTEMS_tasks_Start_extension( - Thread_Control *executing, - Thread_Control *started -) -{ - RTEMS_API_Control *api; - - api = started->API_Extensions[ THREAD_API_RTEMS ]; - - api->pending_events = EVENT_SETS_NONE_PENDING; - - _ASR_Initialize( &api->Signal ); -} - -/*PAGE - * - * _RTEMS_tasks_Delete_extension - * - * XXX - */ - -User_extensions_routine _RTEMS_tasks_Delete_extension( - Thread_Control *executing, - Thread_Control *deleted -) -{ - (void) _Workspace_Free( deleted->API_Extensions[ THREAD_API_RTEMS ] ); - - deleted->API_Extensions[ THREAD_API_RTEMS ] = NULL; -} - -/*PAGE - * - * _RTEMS_tasks_Switch_extension - * - * XXX - */ - -void _RTEMS_tasks_Switch_extension( - Thread_Control *executing -) -{ - ISR_Level level; - RTEMS_API_Control *api; - ASR_Information *asr; - rtems_signal_set signal_set; - Modes_Control prev_mode; - - api = executing->API_Extensions[ THREAD_API_RTEMS ]; - asr = &api->Signal; - - _ISR_Disable( level ); - signal_set = asr->signals_posted; - asr->signals_posted = 0; - _ISR_Enable( level ); - - - if ( !signal_set ) /* similar to _ASR_Are_signals_pending( asr ) */ - return; - - asr->nest_level += 1; - rtems_task_mode( asr->mode_set, RTEMS_ALL_MODE_MASKS, &prev_mode ); - - (*asr->handler)( signal_set ); - - asr->nest_level -= 1; - rtems_task_mode( prev_mode, RTEMS_ALL_MODE_MASKS, &prev_mode ); - -} - -API_extensions_Control _RTEMS_tasks_API_extensions = { - { NULL, NULL }, - NULL, /* predriver */ - _RTEMS_tasks_Initialize_user_tasks, /* postdriver */ - _RTEMS_tasks_Switch_extension /* post switch */ -}; - -User_extensions_Control _RTEMS_tasks_User_extensions = { - { NULL, NULL }, - { _RTEMS_tasks_Create_extension, /* create */ - _RTEMS_tasks_Start_extension, /* start */ - _RTEMS_tasks_Start_extension, /* restart */ - _RTEMS_tasks_Delete_extension, /* delete */ - NULL, /* switch */ - NULL, /* begin */ - NULL, /* exitted */ - NULL /* fatal */ - } -}; - -/*PAGE - * - * _RTEMS_tasks_Manager_initialization - * - * This routine initializes all Task Manager related data structures. - * - * Input parameters: - * maximum_tasks - number of tasks to initialize - * - * Output parameters: NONE - */ - -void _RTEMS_tasks_Manager_initialization( - unsigned32 maximum_tasks, - unsigned32 number_of_initialization_tasks, - rtems_initialization_tasks_table *user_tasks -) -{ - - _RTEMS_tasks_Number_of_initialization_tasks = number_of_initialization_tasks; - _RTEMS_tasks_User_initialization_tasks = user_tasks; - - if ( user_tasks == NULL || number_of_initialization_tasks == 0 ) - _Internal_error_Occurred( INTERNAL_ERROR_RTEMS_API, TRUE, RTEMS_TOO_MANY ); - - _Objects_Initialize_information( - &_RTEMS_tasks_Information, - OBJECTS_RTEMS_TASKS, - TRUE, - maximum_tasks, - sizeof( Thread_Control ), - FALSE, - RTEMS_MAXIMUM_NAME_LENGTH, - TRUE - ); - - /* - * Add all the extensions for this API - */ - - _User_extensions_Add_API_set( &_RTEMS_tasks_User_extensions ); - - _API_extensions_Add( &_RTEMS_tasks_API_extensions ); - - /* - * Register the MP Process Packet routine. - */ - - _MPCI_Register_packet_processor( - MP_PACKET_TASKS, - _RTEMS_tasks_MP_Process_packet - ); - -} - -/*PAGE - * - * rtems_task_create - * - * This directive creates a thread by allocating and initializing a - * thread control block and a stack. The newly created thread is - * placed in the dormant state. - * - * Input parameters: - * name - user defined thread name - * initial_priority - thread priority - * stack_size - stack size in bytes - * initial_modes - initial thread mode - * attribute_set - thread attributes - * id - pointer to thread id - * - * Output parameters: - * id - thread id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_create( - rtems_name name, - rtems_task_priority initial_priority, - unsigned32 stack_size, - rtems_mode initial_modes, - rtems_attribute attribute_set, - Objects_Id *id -) -{ - register Thread_Control *the_thread; - Objects_MP_Control *the_global_object = NULL; - boolean is_fp; - boolean is_global; - boolean status; - rtems_attribute the_attribute_set; - Priority_Control core_priority; - RTEMS_API_Control *api; - ASR_Information *asr; - - - if ( !rtems_is_name_valid( name ) ) - return RTEMS_INVALID_NAME; - - /* - * Core Thread Initialize insures we get the minimum amount of - * stack space. - */ - -#if 0 - if ( !_Stack_Is_enough( stack_size ) ) - return RTEMS_INVALID_SIZE; -#endif - - /* - * Validate the RTEMS API priority and convert it to the core priority range. - */ - - if ( !_RTEMS_tasks_Priority_is_valid( initial_priority ) ) - return RTEMS_INVALID_PRIORITY; - - core_priority = _RTEMS_tasks_Priority_to_Core( initial_priority ); - - /* - * Fix the attribute set to match the attributes which - * this processor (1) requires and (2) is able to support. - * First add in the required flags for attribute_set - * Typically this might include FP if the platform - * or application required all tasks to be fp aware. - * Then turn off the requested bits which are not supported. - */ - - the_attribute_set = _Attributes_Set( attribute_set, ATTRIBUTES_REQUIRED ); - the_attribute_set = - _Attributes_Clear( the_attribute_set, ATTRIBUTES_NOT_SUPPORTED ); - - if ( _Attributes_Is_floating_point( the_attribute_set ) ) - is_fp = TRUE; - else - is_fp = FALSE; - - if ( _Attributes_Is_global( the_attribute_set ) ) { - - is_global = TRUE; - - if ( !_System_state_Is_multiprocessing ) - return RTEMS_MP_NOT_CONFIGURED; - - } else - is_global = FALSE; - - /* - * Make sure system is MP if this task is global - */ - - /* - * Disable dispatch for protection - */ - - _Thread_Disable_dispatch(); - - /* - * Allocate the thread control block and -- if the task is global -- - * allocate a global object control block. - * - * NOTE: This routine does not use the combined allocate and open - * global object routine because this results in a lack of - * control over when memory is allocated and can be freed in - * the event of an error. - */ - - the_thread = _RTEMS_tasks_Allocate(); - - if ( !the_thread ) { - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - - if ( is_global ) { - the_global_object = _Objects_MP_Allocate_global_object(); - - if ( _Objects_MP_Is_null_global_object( the_global_object ) ) { - _RTEMS_tasks_Free( the_thread ); - _Thread_Enable_dispatch(); - return RTEMS_TOO_MANY; - } - } - - /* - * Initialize the core thread for this task. - */ - - status = _Thread_Initialize( - &_RTEMS_tasks_Information, - the_thread, - NULL, - stack_size, - is_fp, - core_priority, - _Modes_Is_preempt(initial_modes) ? TRUE : FALSE, - _Modes_Is_timeslice(initial_modes) ? TRUE : FALSE, - _Modes_Get_interrupt_level(initial_modes), - &name - ); - - if ( !status ) { - if ( is_global ) - _Objects_MP_Free_global_object( the_global_object ); - _RTEMS_tasks_Free( the_thread ); - _Thread_Enable_dispatch(); - return RTEMS_UNSATISFIED; - } - - api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; - asr = &api->Signal; - - asr->is_enabled = _Modes_Is_asr_disabled(initial_modes) ? FALSE : TRUE; - - *id = the_thread->Object.id; - - if ( is_global ) { - - the_thread->is_global = TRUE; - - _Objects_MP_Open( - &_RTEMS_tasks_Information, - the_global_object, - name, - the_thread->Object.id - ); - - _RTEMS_tasks_MP_Send_process_packet( - RTEMS_TASKS_MP_ANNOUNCE_CREATE, - the_thread->Object.id, - name - ); - - } - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_task_ident - * - * This directive returns the system ID associated with - * the thread name. - * - * Input parameters: - * name - user defined thread name - * node - node(s) to be searched - * id - pointer to thread id - * - * Output parameters: - * *id - thread id - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_ident( - rtems_name name, - unsigned32 node, - Objects_Id *id -) -{ - Objects_Name_to_id_errors status; - - if ( name == OBJECTS_ID_OF_SELF ) { - *id = _Thread_Executing->Object.id; - return RTEMS_SUCCESSFUL; - } - - status = _Objects_Name_to_id( &_RTEMS_tasks_Information, &name, node, id ); - - return _Status_Object_name_errors_to_status[ status ]; -} - -/*PAGE - * - * rtems_task_start - * - * This directive readies the thread identified by the "id" - * based on its current priorty, to await execution. A thread - * can be started only from the dormant state. - * - * Input parameters: - * id - thread id - * entry_point - start execution address of thread - * argument - thread argument - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_start( - rtems_id id, - rtems_task_entry entry_point, - unsigned32 argument -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - - if ( entry_point == NULL ) - return RTEMS_INVALID_ADDRESS; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; - case OBJECTS_LOCAL: - if ( _Thread_Start( - the_thread, THREAD_START_NUMERIC, entry_point, NULL, argument ) ) { - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_INCORRECT_STATE; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_restart - * - * This directive readies the specified thread. It restores - * the thread environment to the original values established - * at thread creation and start time. A thread can be restarted - * from any state except the dormant state. - * - * Input parameters: - * id - thread id - * argument - thread argument - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_restart( - Objects_Id id, - unsigned32 argument -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; - case OBJECTS_LOCAL: - if ( _Thread_Restart( the_thread, NULL, argument ) ) { - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_INCORRECT_STATE; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_delete - * - * This directive allows a thread to delete itself or the thread - * identified in the id field. The executive halts execution - * of the thread and frees the thread control block. - * - * Input parameters: - * id - thread id - * - * Output parameters: - * nothing - if id is the requesting thread (always succeeds) - * RTEMS_SUCCESSFUL - if successful and id is - * not the requesting thread - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_delete( - Objects_Id id -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; - case OBJECTS_LOCAL: - _Thread_Close( &_RTEMS_tasks_Information, the_thread ); - - _RTEMS_tasks_Free( the_thread ); - - if ( the_thread->is_global ) { - - _Objects_MP_Close( &_RTEMS_tasks_Information, the_thread->Object.id ); - - _RTEMS_tasks_MP_Send_process_packet( - RTEMS_TASKS_MP_ANNOUNCE_DELETE, - the_thread->Object.id, - 0 /* Not used */ - ); - } - - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_suspend - * - * This directive will place the specified thread in the "suspended" - * state. Note that the suspended state can be in addition to - * other waiting states. - * - * Input parameters: - * id - thread id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_suspend( - Objects_Id id -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return _RTEMS_tasks_MP_Send_request_packet( - RTEMS_TASKS_MP_SUSPEND_REQUEST, - id, - 0, /* Not used */ - 0, /* Not used */ - 0 /* Not used */ - ); - case OBJECTS_LOCAL: - if ( !_States_Is_suspended( the_thread->current_state ) ) { - _Thread_Set_state( the_thread, STATES_SUSPENDED ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_ALREADY_SUSPENDED; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_resume - * - * This directive will remove the specified thread - * from the suspended state. - * - * Input parameters: - * id - thread id - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_resume( - Objects_Id id -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return( - _RTEMS_tasks_MP_Send_request_packet( - RTEMS_TASKS_MP_RESUME_REQUEST, - id, - 0, /* Not used */ - 0, /* Not used */ - 0 /* Not used */ - ) - ); - case OBJECTS_LOCAL: - if ( _States_Is_suspended( the_thread->current_state ) ) { - _Thread_Resume( the_thread ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - _Thread_Enable_dispatch(); - return RTEMS_INCORRECT_STATE; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_set_priority - * - * This directive changes the priority of the specified thread. - * The specified thread can be any thread in the system including - * the requesting thread. - * - * Input parameters: - * id - thread id (0 indicates requesting thread) - * new_priority - thread priority (0 indicates current priority) - * old_priority - pointer to previous priority - * - * Output parameters: - * old_priority - previous priority - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_set_priority( - Objects_Id id, - rtems_task_priority new_priority, - rtems_task_priority *old_priority -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - - if ( new_priority != RTEMS_CURRENT_PRIORITY && - !_RTEMS_tasks_Priority_is_valid( new_priority ) ) - return RTEMS_INVALID_PRIORITY; - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Executing->Wait.return_argument = old_priority; - return( - _RTEMS_tasks_MP_Send_request_packet( - RTEMS_TASKS_MP_SET_PRIORITY_REQUEST, - id, - new_priority, - 0, /* Not used */ - 0 /* Not used */ - ) - ); - case OBJECTS_LOCAL: - *old_priority = the_thread->current_priority; - if ( new_priority != RTEMS_CURRENT_PRIORITY ) { - the_thread->real_priority = new_priority; - if ( the_thread->resource_count == 0 || - the_thread->current_priority > new_priority ) - _Thread_Change_priority( the_thread, new_priority ); - } - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_mode - * - * This directive enables and disables several modes of - * execution for the requesting thread. - * - * Input parameters: - * mode_set - new mode - * mask - mask - * previous_mode_set - address of previous mode set - * - * Output: - * *previous_mode_set - previous mode set - * always return RTEMS_SUCCESSFUL; - */ - -rtems_status_code rtems_task_mode( - rtems_mode mode_set, - rtems_mode mask, - rtems_mode *previous_mode_set -) -{ - Thread_Control *executing; - RTEMS_API_Control *api; - ASR_Information *asr; - boolean is_asr_enabled = FALSE; - boolean needs_asr_dispatching = FALSE; - rtems_mode old_mode; - - executing = _Thread_Executing; - api = executing->API_Extensions[ THREAD_API_RTEMS ]; - asr = &api->Signal; - - old_mode = (executing->is_preemptible) ? RTEMS_PREEMPT : RTEMS_NO_PREEMPT; - old_mode |= (executing->is_timeslice) ? RTEMS_TIMESLICE : RTEMS_NO_TIMESLICE; - old_mode |= (asr->is_enabled) ? RTEMS_ASR : RTEMS_NO_ASR; - old_mode |= _ISR_Get_level(); - - *previous_mode_set = old_mode; - - /* - * These are generic thread scheduling characteristics. - */ - - if ( mask & RTEMS_PREEMPT_MASK ) - executing->is_preemptible = _Modes_Is_preempt(mode_set) ? TRUE : FALSE; - - if ( mask & RTEMS_TIMESLICE_MASK ) - executing->is_timeslice = _Modes_Is_timeslice(mode_set) ? TRUE : FALSE; - - /* - * Set the new interrupt level - */ - - if ( mask & RTEMS_INTERRUPT_MASK ) - _Modes_Set_interrupt_level( mode_set ); - - /* - * This is specific to the RTEMS API - */ - - is_asr_enabled = FALSE; - needs_asr_dispatching = FALSE; - - if ( mask & RTEMS_ASR_MASK ) { - is_asr_enabled = _Modes_Is_asr_disabled( mode_set ) ? FALSE : TRUE; - if ( is_asr_enabled != asr->is_enabled ) { - asr->is_enabled = is_asr_enabled; - _ASR_Swap_signals( asr ); - if ( _ASR_Are_signals_pending( asr ) ) { - needs_asr_dispatching = TRUE; - executing->do_post_task_switch_extension = TRUE; - } - } - } - - if ( _Thread_Evaluate_mode() || needs_asr_dispatching ) - _Thread_Dispatch(); - - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_task_get_note - * - * This directive obtains the note from the specified notepad - * of the specified thread. - * - * Input parameters: - * id - thread id - * notepad - notepad number - * note - pointer to note - * - * Output parameters: - * note - filled in if successful - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_get_note( - Objects_Id id, - unsigned32 notepad, - unsigned32 *note -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - RTEMS_API_Control *api; - - /* - * NOTE: There is no check for < RTEMS_NOTEPAD_FIRST because that would - * be checking an unsigned number for being negative. - */ - - if ( notepad > RTEMS_NOTEPAD_LAST ) - return RTEMS_INVALID_NUMBER; - - /* - * Optimize the most likely case to avoid the Thread_Dispatch. - */ - - if ( _Objects_Are_ids_equal( id, OBJECTS_ID_OF_SELF ) || - _Objects_Are_ids_equal( id, _Thread_Executing->Object.id ) ) { - api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ]; - *note = api->Notepads[ notepad ]; - return RTEMS_SUCCESSFUL; - } - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - _Thread_Executing->Wait.return_argument = note; - - return _RTEMS_tasks_MP_Send_request_packet( - RTEMS_TASKS_MP_GET_NOTE_REQUEST, - id, - 0, /* Not used */ - notepad, - 0 /* Not used */ - ); - case OBJECTS_LOCAL: - api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; - *note = api->Notepads[ notepad ]; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_set_note - * - * This directive sets the specified notepad contents to the given - * note. - * - * Input parameters: - * id - thread id - * notepad - notepad number - * note - note value - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_set_note( - Objects_Id id, - unsigned32 notepad, - unsigned32 note -) -{ - register Thread_Control *the_thread; - Objects_Locations location; - RTEMS_API_Control *api; - - /* - * NOTE: There is no check for < RTEMS_NOTEPAD_FIRST because that would - * be checking an unsigned number for being negative. - */ - - if ( notepad > RTEMS_NOTEPAD_LAST ) - return RTEMS_INVALID_NUMBER; - - /* - * Optimize the most likely case to avoid the Thread_Dispatch. - */ - - if ( _Objects_Are_ids_equal( id, OBJECTS_ID_OF_SELF ) || - _Objects_Are_ids_equal( id, _Thread_Executing->Object.id ) ) { - api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ]; - api->Notepads[ notepad ] = note; - return RTEMS_SUCCESSFUL; - } - - the_thread = _Thread_Get( id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return RTEMS_INVALID_ID; - case OBJECTS_REMOTE: - return _RTEMS_tasks_MP_Send_request_packet( - RTEMS_TASKS_MP_SET_NOTE_REQUEST, - id, - 0, /* Not used */ - notepad, - note - ); - - case OBJECTS_LOCAL: - api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; - api->Notepads[ notepad ] = note; - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; - } - - return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ -} - -/*PAGE - * - * rtems_task_wake_after - * - * This directive suspends the requesting thread for the given amount - * of ticks. - * - * Input parameters: - * ticks - number of ticks to wait - * - * Output parameters: - * RTEMS_SUCCESSFUL - always successful - */ - -rtems_status_code rtems_task_wake_after( - rtems_interval ticks -) -{ - if ( ticks == 0 ) { - _Thread_Yield_processor(); - _Thread_Dispatch(); - } else { - _Thread_Disable_dispatch(); - _Thread_Set_state( _Thread_Executing, STATES_DELAYING ); - _Watchdog_Initialize( - &_Thread_Executing->Timer, - _Thread_Delay_ended, - _Thread_Executing->Object.id, - NULL - ); - _Watchdog_Insert_ticks( &_Thread_Executing->Timer, ticks ); - _Thread_Enable_dispatch(); - } - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_task_wake_when - * - * This directive blocks the requesting thread until the given date and - * time is reached. - * - * Input parameters: - * time_buffer - pointer to the time and date structure - * - * Output parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_task_wake_when( -rtems_time_of_day *time_buffer -) -{ - Watchdog_Interval seconds; - - if ( !_TOD_Is_set() ) - return RTEMS_NOT_DEFINED; - - time_buffer->ticks = 0; - - if ( !_TOD_Validate( time_buffer ) ) - return RTEMS_INVALID_CLOCK; - - seconds = _TOD_To_seconds( time_buffer ); - - if ( seconds <= _TOD_Seconds_since_epoch ) - return RTEMS_INVALID_CLOCK; - - _Thread_Disable_dispatch(); - _Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_TIME ); - _Watchdog_Initialize( - &_Thread_Executing->Timer, - _Thread_Delay_ended, - _Thread_Executing->Object.id, - NULL - ); - _Watchdog_Insert_seconds( - &_Thread_Executing->Timer, - seconds - _TOD_Seconds_since_epoch - ); - _Thread_Enable_dispatch(); - return RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * _RTEMS_tasks_Initialize_user_tasks - * - * This routine creates and starts all configured user - * initialzation threads. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void _RTEMS_tasks_Initialize_user_tasks( void ) -{ - unsigned32 index; - unsigned32 maximum; - rtems_id id; - rtems_status_code return_value; - rtems_initialization_tasks_table *user_tasks; - - /* - * NOTE: This is slightly different from the Ada implementation. - */ - - user_tasks = _RTEMS_tasks_User_initialization_tasks; - maximum = _RTEMS_tasks_Number_of_initialization_tasks; - - for ( index=0 ; index < maximum ; index++ ) { - return_value = rtems_task_create( - user_tasks[ index ].name, - user_tasks[ index ].initial_priority, - user_tasks[ index ].stack_size, - user_tasks[ index ].mode_set, - user_tasks[ index ].attribute_set, - &id - ); - - if ( !rtems_is_status_successful( return_value ) ) - _Internal_error_Occurred( INTERNAL_ERROR_RTEMS_API, TRUE, return_value ); - - return_value = rtems_task_start( - id, - user_tasks[ index ].entry_point, - user_tasks[ index ].argument - ); - - if ( !rtems_is_status_successful( return_value ) ) - _Internal_error_Occurred( INTERNAL_ERROR_RTEMS_API, TRUE, return_value ); - } -} - |