diff options
Diffstat (limited to 'cpukit/posix/src')
| -rw-r--r-- | cpukit/posix/src/aio.c | 115 | ||||
| -rw-r--r-- | cpukit/posix/src/cancel.c | 229 | ||||
| -rw-r--r-- | cpukit/posix/src/cond.c | 401 | ||||
| -rw-r--r-- | cpukit/posix/src/devctl.c | 27 | ||||
| -rw-r--r-- | cpukit/posix/src/intr.c | 339 | ||||
| -rw-r--r-- | cpukit/posix/src/key.c | 261 | ||||
| -rw-r--r-- | cpukit/posix/src/mqueue.c | 715 | ||||
| -rw-r--r-- | cpukit/posix/src/mutex.c | 569 | ||||
| -rw-r--r-- | cpukit/posix/src/psignal.c | 259 | ||||
| -rw-r--r-- | cpukit/posix/src/pthread.c | 548 | ||||
| -rw-r--r-- | cpukit/posix/src/sched.c | 129 | ||||
| -rw-r--r-- | cpukit/posix/src/semaphore.c | 576 | ||||
| -rw-r--r-- | cpukit/posix/src/time.c | 195 | ||||
| -rw-r--r-- | cpukit/posix/src/types.c | 170 |
14 files changed, 0 insertions, 4533 deletions
diff --git a/cpukit/posix/src/aio.c b/cpukit/posix/src/aio.c deleted file mode 100644 index d740be0c02..0000000000 --- a/cpukit/posix/src/aio.c +++ /dev/null @@ -1,115 +0,0 @@ -/* aio.c - * - * $Id$ - */ - -#include <aio.h> - -#include <rtems/system.h> - -#ifdef NOT_IMPLEMENTED_YET - -/*PAGE - * - * 6.7.2 Asynchronous Read, P1003.1b-1993, p. 154 - */ - -int aio_read( - struct aiocb *aiocbp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.3 Asynchronous Write, P1003.1b-1993, p. 155 - */ - -int aio_write( - struct aiocb *aiocbp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.4 List Directed I/O, P1003.1b-1993, p. 158 - */ - -int lio_listio( - int mode, - struct aiocb * const list[], - int nent, - struct sigevent *sig -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.5 Retrieve Error of Asynchronous I/O Operation, P1003.1b-1993, p. 161 - */ - -int aio_error( - const struct aiocb *aiocbp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.6 Retrieve Return Status of Asynchronous I/O Operation, - * P1003.1b-1993, p. 162 - */ - -int aio_return( - const struct aiocb *aiocbp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.7 Cancel Asynchronous I/O Operation, P1003.1b-1993, p. 163 - */ - -int aio_cancel( - int filedes, - struct aiocb *aiocbp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.7 Wait for Asynchronous I/O Request, P1003.1b-1993, p. 164 - */ - -int aio_suspend( - struct aiocb * const list[], - int nent, - const struct timespec *timeout -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 6.7.9 Asynchronous File Synchronization, P1003.1b-1993, p. 166 - */ - -int aio_fsync( - int op, - struct aiocb *aiocbp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} -#endif diff --git a/cpukit/posix/src/cancel.c b/cpukit/posix/src/cancel.c deleted file mode 100644 index 54cba95035..0000000000 --- a/cpukit/posix/src/cancel.c +++ /dev/null @@ -1,229 +0,0 @@ -/* cancel.c - * - * $Id$ - */ - -#include <pthread.h> -#include <errno.h> - -#include <rtems/system.h> -#include <rtems/score/chain.h> -#include <rtems/score/isr.h> -#include <rtems/score/thread.h> -#include <rtems/score/wkspace.h> -#include <rtems/posix/cancel.h> -#include <rtems/posix/pthread.h> -#include <rtems/posix/threadsup.h> - -/*PAGE - * - * POSIX_Thread_cancel_run - * - */ - -void POSIX_Thread_cancel_run( - Thread_Control *the_thread -) -{ - int old_cancel_state; - POSIX_Cancel_Handler_control *handler; - Chain_Control *handler_stack; - POSIX_API_Thread_Support_Control *thread_support; - ISR_Level level; - - thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ]; - - handler_stack = &thread_support->Cancellation_Handlers; - - old_cancel_state = thread_support->cancelability_state; - - thread_support->cancelability_state = PTHREAD_CANCEL_DISABLE; - - while ( !_Chain_Is_empty( handler_stack ) ) { - _ISR_Disable( level ); - handler = (POSIX_Cancel_Handler_control *) _Chain_Tail( handler_stack ); - _Chain_Extract_unprotected( &handler->Node ); - _ISR_Enable( level ); - - (*handler->routine)( handler->arg ); - - _Workspace_Free( handler ); - } - - thread_support->cancelation_requested = 0; - - thread_support->cancelability_state = old_cancel_state; -} - -/*PAGE - * - * 18.2.1 Canceling Execution of a Thread, P1003.1c/Draft 10, p. 181 - */ - -int pthread_cancel( - pthread_t thread -) -{ - Thread_Control *the_thread; - POSIX_API_Thread_Support_Control *thread_support; - Objects_Locations location; - - the_thread = _POSIX_Threads_Get( &thread, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return POSIX_MP_NOT_IMPLEMENTED(); - case OBJECTS_LOCAL: - thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ]; - - thread_support->cancelation_requested = 1; - - _Thread_Enable_dispatch(); - return 0; - } - - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183 - */ - -int pthread_setcancelstate( - int state, - int *oldstate -) -{ - POSIX_API_Thread_Support_Control *thread_support; - - if ( !oldstate ) - return EINVAL; - - if ( state != PTHREAD_CANCEL_ENABLE && state != PTHREAD_CANCEL_DISABLE ) - return EINVAL; - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - *oldstate = thread_support->cancelability_state; - thread_support->cancelability_state = state; - - if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE && - thread_support->cancelability_type == PTHREAD_CANCEL_ASYNCHRONOUS && - thread_support->cancelation_requested ) - POSIX_Thread_cancel_run( _Thread_Executing ); - - return 0; -} - -/*PAGE - * - * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183 - */ - -int pthread_setcanceltype( - int type, - int *oldtype -) -{ - POSIX_API_Thread_Support_Control *thread_support; - - if ( !oldtype ) - return EINVAL; - - if ( type != PTHREAD_CANCEL_DEFERRED && type != PTHREAD_CANCEL_ASYNCHRONOUS ) - return EINVAL; - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - *oldtype = thread_support->cancelability_type; - thread_support->cancelability_type = type; - - if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE && - thread_support->cancelability_type == PTHREAD_CANCEL_ASYNCHRONOUS && - thread_support->cancelation_requested ) - POSIX_Thread_cancel_run( _Thread_Executing ); - - return 0; -} - -/*PAGE - * - * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183 - */ - -void pthread_testcancel( void ) -{ - POSIX_API_Thread_Support_Control *thread_support; - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE && - thread_support->cancelation_requested ) - POSIX_Thread_cancel_run( _Thread_Executing ); -} - -/*PAGE - * - * 18.2.3.1 Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184 - */ - -void pthread_cleanup_push( - void (*routine)( void * ), - void *arg -) -{ - POSIX_Cancel_Handler_control *handler; - Chain_Control *handler_stack; - POSIX_API_Thread_Support_Control *thread_support; - - if ( !routine ) - return; /* XXX what to do really? */ - - handler = _Workspace_Allocate( sizeof( POSIX_Cancel_Handler_control ) ); - - if ( !handler ) - return; /* XXX what to do really? */ - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - handler_stack = &thread_support->Cancellation_Handlers; - - handler->routine = routine; - handler->arg = arg; - - _Chain_Append( handler_stack, &handler->Node ); -} - -/*PAGE - * - * 18.2.3.1 Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184 - */ - -void pthread_cleanup_pop( - int execute -) -{ - POSIX_Cancel_Handler_control *handler; - Chain_Control *handler_stack; - POSIX_API_Thread_Support_Control *thread_support; - ISR_Level level; - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - handler_stack = &thread_support->Cancellation_Handlers; - - if ( _Chain_Is_empty( handler_stack ) ) - return; - - _ISR_Disable( level ); - handler = (POSIX_Cancel_Handler_control *) _Chain_Tail( handler_stack ); - _Chain_Extract_unprotected( &handler->Node ); - _ISR_Enable( level ); - - if ( execute ) - (*handler->routine)( handler->arg ); - - _Workspace_Free( handler ); -} diff --git a/cpukit/posix/src/cond.c b/cpukit/posix/src/cond.c deleted file mode 100644 index ce02fd7596..0000000000 --- a/cpukit/posix/src/cond.c +++ /dev/null @@ -1,401 +0,0 @@ -/* cond.c - * - * $Id$ - */ - -#include <pthread.h> -#include <errno.h> - -#include <rtems/system.h> -#include <rtems/score/object.h> -#include <rtems/score/states.h> -#include <rtems/score/watchdog.h> -#include <rtems/posix/cond.h> -#include <rtems/posix/time.h> - -/*PAGE - * - * The default condition variable attributes structure. - */ - -const pthread_condattr_t _POSIX_Condition_variables_Default_attributes = { - TRUE, /* is_initialized */ - PTHREAD_PROCESS_PRIVATE /* process_shared */ -}; - -/*PAGE - * - * _POSIX_Condition_variables_Manager_initialization - * - * This routine initializes all condition variable manager related data - * structures. - * - * Input parameters: - * maximum_condition_variables - maximum configured condition_variables - * - * Output parameters: NONE - */ - -void _POSIX_Condition_variables_Manager_initialization( - unsigned32 maximum_condition_variables -) -{ - _Objects_Initialize_information( - &_POSIX_Condition_variables_Information, - OBJECTS_POSIX_CONDITION_VARIABLES, - TRUE, - maximum_condition_variables, - sizeof( POSIX_Condition_variables_Control ), - FALSE, - 0, - FALSE - ); -} - -/*PAGE - * - * 11.4.1 Condition Variable Initialization Attributes, - * P1003.1c/Draft 10, p. 96 - */ - -int pthread_condattr_init( - pthread_condattr_t *attr -) -{ - if ( !attr ) - return EINVAL; - - *attr = _POSIX_Condition_variables_Default_attributes; - return 0; -} - -/*PAGE - * - * 11.4.1 Condition Variable Initialization Attributes, - * P1003.1c/Draft 10, p. 96 - */ - -int pthread_condattr_destroy( - pthread_condattr_t *attr -) -{ - if ( !attr || attr->is_initialized == FALSE ) - return EINVAL; - - attr->is_initialized = FALSE; - return 0; -} - -/*PAGE - * - * 11.4.1 Condition Variable Initialization Attributes, - * P1003.1c/Draft 10, p. 96 - */ - -int pthread_condattr_getpshared( - const pthread_condattr_t *attr, - int *pshared -) -{ - if ( !attr ) - return EINVAL; - - *pshared = attr->process_shared; - return 0; -} - -/*PAGE - * - * 11.4.1 Condition Variable Initialization Attributes, - * P1003.1c/Draft 10, p. 96 - */ - -int pthread_condattr_setpshared( - pthread_condattr_t *attr, - int pshared -) -{ - if ( !attr ) - return EINVAL; - - attr->process_shared = pshared; - return 0; -} - -/*PAGE - * - * 11.4.2 Initializing and Destroying a Condition Variable, - * P1003.1c/Draft 10, p. 87 - */ - -int pthread_cond_init( - pthread_cond_t *cond, - const pthread_condattr_t *attr -) -{ - POSIX_Condition_variables_Control *the_cond; - const pthread_condattr_t *the_attr; - - if ( attr ) the_attr = attr; - else the_attr = &_POSIX_Condition_variables_Default_attributes; - - /* - * XXX: Be careful about attributes when global!!! - */ - - if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED ) - return POSIX_MP_NOT_IMPLEMENTED(); - - if ( !the_attr->is_initialized ) - return EINVAL; - - _Thread_Disable_dispatch(); - - the_cond = _POSIX_Condition_variables_Allocate(); - - if ( !the_cond ) { - _Thread_Enable_dispatch(); - return ENOMEM; - } - - if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED && - !( _Objects_MP_Allocate_and_open( &_POSIX_Condition_variables_Information, - 0, the_cond->Object.id, FALSE ) ) ) { - _POSIX_Condition_variables_Free( the_cond ); - _Thread_Enable_dispatch(); - return EAGAIN; - } - - the_cond->process_shared = the_attr->process_shared; - - the_cond->Mutex = 0; - -/* XXX some more initialization might need to go here */ - _Thread_queue_Initialize( - &the_cond->Wait_queue, - OBJECTS_POSIX_CONDITION_VARIABLES, - THREAD_QUEUE_DISCIPLINE_FIFO, - STATES_WAITING_FOR_CONDITION_VARIABLE, - _POSIX_Condition_variables_MP_Send_extract_proxy, - ETIMEDOUT - ); - - _Objects_Open( - &_POSIX_Condition_variables_Information, - &the_cond->Object, - 0 - ); - - *cond = the_cond->Object.id; - - if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED ) - _POSIX_Condition_variables_MP_Send_process_packet( - POSIX_CONDITION_VARIABLES_MP_ANNOUNCE_CREATE, - the_cond->Object.id, - 0, /* Name not used */ - 0 /* Not used */ - ); - - _Thread_Enable_dispatch(); - - return 0; -} - -/*PAGE - * - * 11.4.2 Initializing and Destroying a Condition Variable, - * P1003.1c/Draft 10, p. 87 - */ - -int pthread_cond_destroy( - pthread_cond_t *cond -) -{ - register POSIX_Condition_variables_Control *the_cond; - Objects_Locations location; - - the_cond = _POSIX_Condition_variables_Get( cond, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - return EINVAL; - case OBJECTS_LOCAL: - - _Objects_Close( - &_POSIX_Condition_variables_Information, - &the_cond->Object - ); - - if ( _Thread_queue_Get_number_waiting( &the_cond->Wait_queue ) ) - return EBUSY; - - _POSIX_Condition_variables_Free( the_cond ); - - if ( the_cond->process_shared == PTHREAD_PROCESS_SHARED ) { - - _Objects_MP_Close( - &_POSIX_Condition_variables_Information, - the_cond->Object.id - ); - - _POSIX_Condition_variables_MP_Send_process_packet( - POSIX_CONDITION_VARIABLES_MP_ANNOUNCE_DELETE, - the_cond->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * _POSIX_Condition_variables_Signal_support - * - * A support routine which implements guts of the broadcast and single task - * wake up version of the "signal" operation. - */ - -int _POSIX_Condition_variables_Signal_support( - pthread_cond_t *cond, - boolean is_broadcast -) -{ - register POSIX_Condition_variables_Control *the_cond; - Objects_Locations location; - Thread_Control *the_thread; - - the_cond = _POSIX_Condition_variables_Get( cond, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - return EINVAL; - case OBJECTS_LOCAL: - - do { - the_thread = _Thread_queue_Dequeue( &the_cond->Wait_queue ); - } while ( is_broadcast && the_thread ); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.4.3 Broadcasting and Signaling a Condition, P1003.1c/Draft 10, p. 101 - */ - -int pthread_cond_signal( - pthread_cond_t *cond -) -{ - return _POSIX_Condition_variables_Signal_support( cond, FALSE ); -} - -/*PAGE - * - * 11.4.3 Broadcasting and Signaling a Condition, P1003.1c/Draft 10, p. 101 - */ - -int pthread_cond_broadcast( - pthread_cond_t *cond -) -{ - return _POSIX_Condition_variables_Signal_support( cond, TRUE ); -} - -/*PAGE - * - * _POSIX_Condition_variables_Wait_support - * - * A support routine which implements guts of the blocking, non-blocking, and - * timed wait version of condition variable wait routines. - */ - -int _POSIX_Condition_variables_Wait_support( - pthread_cond_t *cond, - pthread_mutex_t *mutex, - Watchdog_Interval timeout -) -{ - register POSIX_Condition_variables_Control *the_cond; - Objects_Locations location; - int status; - - the_cond = _POSIX_Condition_variables_Get( cond, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - return EINVAL; - case OBJECTS_LOCAL: - - /* - * XXX: should be an error if cond->Mutex != mutex - */ - - status = pthread_mutex_unlock( mutex ); - if ( !status ) - return status; - - the_cond->Mutex = *mutex; - -/* XXX .. enter critical section .. */ - _Thread_queue_Enqueue( &the_cond->Wait_queue, 0 ); - - _Thread_Enable_dispatch(); - - status = pthread_mutex_lock( mutex ); - if ( !status ) - return status; - - return _Thread_Executing->Wait.return_code; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105 - */ - -int pthread_cond_wait( - pthread_cond_t *cond, - pthread_mutex_t *mutex -) -{ - return _POSIX_Condition_variables_Wait_support( - cond, - mutex, - THREAD_QUEUE_WAIT_FOREVER - ); -} - -/*PAGE - * - * 11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105 - */ - -int pthread_cond_timedwait( - pthread_cond_t *cond, - pthread_mutex_t *mutex, - const struct timespec *abstime -) -{ - return _POSIX_Condition_variables_Wait_support( - cond, - mutex, - _POSIX_Time_Spec_to_interval( abstime ) - ); -} diff --git a/cpukit/posix/src/devctl.c b/cpukit/posix/src/devctl.c deleted file mode 100644 index 7caf475784..0000000000 --- a/cpukit/posix/src/devctl.c +++ /dev/null @@ -1,27 +0,0 @@ -/* devctl.c - * - * $Id$ - */ - -#include <devctl.h> - -#include <rtems/system.h> - -#ifdef NOT_IMPLEMENTED_YET - -/*PAGE - * - * 21.2.1 Control a Device, P1003.4b/D8, p. 65 - */ - -int devctl( - int filedes, - void *dev_data_ptr, - size_t nbyte, - int *dev_info_ptr -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif diff --git a/cpukit/posix/src/intr.c b/cpukit/posix/src/intr.c deleted file mode 100644 index 7f9c62964d..0000000000 --- a/cpukit/posix/src/intr.c +++ /dev/null @@ -1,339 +0,0 @@ -/* intr.c - * - * NOTE: Each task has an interrupt semaphore associated with it. - * No matter which interrupt occurs that it has registered, - * the same semaphore is used. - * - * $Id$ - */ - -#include <errno.h> -#include <intr.h> -#include <pthread.h> - -#include <rtems/system.h> -#include <rtems/score/isr.h> -#include <rtems/score/coresem.h> -#include <rtems/score/thread.h> -#include <rtems/score/watchdog.h> -#include <rtems/posix/intr.h> -#include <rtems/posix/time.h> -#include <rtems/posix/threadsup.h> - -/* - * _POSIX_Interrupt_Manager_initialization - * - * DESCRIPTION: - * - * This routine performs the initialization necessary for this manager. - */ - -void _POSIX_Interrupt_Manager_initialization( - unsigned32 maximum_interrupt_handlers -) -{ - unsigned32 index; - POSIX_Interrupt_Control *the_vector; - - _Objects_Initialize_information( - &_POSIX_Interrupt_Handlers_Information, - OBJECTS_POSIX_INTERRUPTS, - FALSE, - maximum_interrupt_handlers, - sizeof( POSIX_Interrupt_Handler_control ), - FALSE, - 0, - FALSE - ); - - for ( index=0 ; index < CPU_INTERRUPT_NUMBER_OF_VECTORS ; index++ ) { - the_vector = &_POSIX_Interrupt_Information[ index ]; - - the_vector->number_installed = 0; - the_vector->lock_count = 0; - the_vector->deferred_count = 0; - _Chain_Initialize_empty( &the_vector->Handlers ); - } -} - -/*PAGE - * - * 22.3.1 Associate a User-Written ISR with an Interrupt, P1003.4b/D8, p. 74 - */ - -int intr_capture( - intr_t intr, - int (*intr_handler)( void *area ), - volatile void *area, - size_t areasize -) -{ - POSIX_Interrupt_Handler_control *the_intr; - POSIX_Interrupt_Control *the_vector; - POSIX_API_Thread_Support_Control *thread_support; - proc_ptr old_handler; - - if ( !_ISR_Is_vector_number_valid( intr ) || - !_ISR_Is_valid_user_handler( intr_handler ) ) - return EINVAL; - - _Thread_Disable_dispatch(); - - the_intr = _POSIX_Interrupt_Allocate(); - - if ( !the_intr ) { - _Thread_Enable_dispatch(); - return ENOMEM; - } - - the_vector = &_POSIX_Interrupt_Information[ intr ]; - - the_intr->vector = intr; - the_intr->handler = intr_handler; - the_intr->user_data_area = area; - the_intr->server = _Thread_Executing; - the_intr->is_active = TRUE; - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - thread_support->interrupts_installed++; - -/* XXX should we malloc the semaphore on the fly??? if so we probably need to - release it when the thread has released all interrupts and keep - a count of how many it has installed. CURRENTLY NO.. ALLOCATED w/TCB -*/ - - /* - * This is sufficient to have the handlers invoked in the opposite - * order of installation. The loop invoking them can then go from - * the front of the list to the end. - */ - - _Chain_Prepend( &the_vector->Handlers, &the_intr->Object.Node ); - - if ( !the_vector->number_installed++ ) - _ISR_Install_vector( - intr, - (proc_ptr) _POSIX_Interrupt_Handler, - &old_handler - ); - - _Objects_Open( &_POSIX_Interrupt_Handlers_Information, &the_intr->Object, 0 ); - - /* - * Normally, an Id would be returned here. - */ - - _Thread_Enable_dispatch(); - - return 0; -} - -/*PAGE - * - * 22.3.1 Associate a User-Written ISR with an Interrupt, P1003.4b/D8, p. 74 - */ - -int intr_release( - intr_t intr, - int (*intr_handler)( void *area ) -) -{ - boolean found; - POSIX_Interrupt_Handler_control *the_intr; - POSIX_Interrupt_Control *the_vector; - POSIX_API_Thread_Support_Control *thread_support; - Chain_Node *the_node; - - if ( !_ISR_Is_valid_user_handler( intr_handler ) ) - return EINVAL; - - _Thread_Disable_dispatch(); - - /* - * Since interrupt handlers do not have a user visible id, there is - * no choice but to search the entire set of active interrupt handlers - * to find this one. - */ - - found = FALSE; - - the_vector = &_POSIX_Interrupt_Information[ intr ]; - - the_node = _Chain_Head( &the_vector->Handlers ); - - for ( ; !_Chain_Is_tail( &the_vector->Handlers, the_node ) ; ) { - the_intr = (POSIX_Interrupt_Handler_control *) the_node; - - if ( the_intr->handler == intr_handler ) { - found = TRUE; - break; - } - the_node = the_node->next; - } - - if ( !found ) { - _Thread_Enable_dispatch(); - return EINVAL; - } - - if ( !_Thread_Is_executing( the_intr->server ) ) { - _Thread_Enable_dispatch(); - return EINVAL; /* XXX should be ENOISR; */ - } - - /* - * OK now we have found the interrupt handler and can do some work. - */ - - _Chain_Extract( &the_intr->Object.Node ); - - the_intr->is_active = FALSE; - - the_vector->number_installed -= 1; - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - thread_support->interrupts_installed--; - - /* - * It is unnecessary to flush the semaphore since the handler can only - * be "removed" by the thread which installed it. Thus it cannot be - * blocked on the semaphore or it would not be executing this routine. - */ - - _Objects_Close( &_POSIX_Interrupt_Handlers_Information, &the_intr->Object ); - - _POSIX_Interrupt_Free( the_intr ); - - _Thread_Enable_dispatch(); - - return 0; -} - -/*PAGE - * - * 22.3.1 Associate a User-Written ISR with an Interrupt, P1003.4b/D8, p. 74 - */ - -int intr_lock( - intr_t intr -) -{ - POSIX_Interrupt_Control *the_vector; - - _Thread_Disable_dispatch(); - - the_vector = &_POSIX_Interrupt_Information[ intr ]; - - the_vector->lock_count++; - - _Thread_Enable_dispatch(); - - return 0; -} - -/*PAGE - * - * 22.3.1 Associate a User-Written ISR with an Interrupt, P1003.4b/D8, p. 74 - */ - -int intr_unlock( - intr_t intr -) -{ - POSIX_Interrupt_Control *the_vector; - - _Thread_Disable_dispatch(); - - the_vector = &_POSIX_Interrupt_Information[ intr ]; - - if ( !--the_vector->lock_count ) { - while ( --the_vector->deferred_count ) { - _POSIX_Interrupt_Handler( intr ); - } - } - - _Thread_Enable_dispatch(); - - return 0; -} - -/* - * 22.3.2 Await Interrupt Notification, P1003.4b/D8, p. 76 - */ - -int intr_timed_wait( - int flags, - const struct timespec *timeout -) -{ - Watchdog_Interval ticks; - POSIX_API_Thread_Support_Control *thread_support; - - ticks = _POSIX_Time_Spec_to_interval( timeout ); - - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - _Thread_Disable_dispatch(); - - _CORE_semaphore_Seize( - &thread_support->Interrupt_Semaphore, - 0, /* XXX does id=0 hurt in this case? */ - TRUE, - ticks - ); - _Thread_Enable_dispatch(); - - return _Thread_Executing->Wait.return_code; /* XXX should be POSIX */ -} - -/*PAGE - * - * _POSIX_Interrupt_Handler - * - */ - -void _POSIX_Interrupt_Handler( - ISR_Vector_number vector -) -{ - POSIX_Interrupt_Handler_control *the_intr; - POSIX_Interrupt_Control *the_vector; - POSIX_API_Thread_Support_Control *thread_support; - Chain_Node *the_node; - int status; - - the_vector = &_POSIX_Interrupt_Information[ vector ]; - - the_node = _Chain_Head( &the_vector->Handlers ); - - for ( ; !_Chain_Is_tail( &the_vector->Handlers, the_node ) ; ) { - the_intr = (POSIX_Interrupt_Handler_control *) the_node; - - status = (*the_intr->handler)( (void *) the_intr->user_data_area ); - - switch ( status ) { - case INTR_HANDLED_NOTIFY: - thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; - - _CORE_semaphore_Surrender( - &thread_support->Interrupt_Semaphore, - 0, /* XXX is id=0 a problem */ - 0 /* XXX is this a problem (mp support)*/ - ); - return; - - case INTR_HANDLED_DO_NOT_NOTIFY: - return; - - case INTR_NOT_HANDLED: - default: /* this should not happen */ - break; - } - the_node = the_node->next; - } - - /* XXX - * - * This is an unhandled interrupt!!! - */ -} diff --git a/cpukit/posix/src/key.c b/cpukit/posix/src/key.c deleted file mode 100644 index fcfbd1715d..0000000000 --- a/cpukit/posix/src/key.c +++ /dev/null @@ -1,261 +0,0 @@ -/* key.c - * - * $Id$ - */ - -#include <errno.h> -#include <limits.h> -#include <pthread.h> -#include <string.h> - -#include <rtems/system.h> -#include <rtems/score/thread.h> -#include <rtems/score/wkspace.h> -#include <rtems/posix/key.h> - -/* - * _POSIX_Key_Manager_initialization - * - * DESCRIPTION: - * - * This routine performs the initialization necessary for this manager. - */ - -void _POSIX_Key_Manager_initialization( - unsigned32 maximum_keys -) -{ - _Objects_Initialize_information( - &_POSIX_Keys_Information, - OBJECTS_POSIX_KEYS, - FALSE, - maximum_keys, - sizeof( POSIX_Keys_Control ), - FALSE, - 0, - FALSE - ); -} - -/*PAGE - * - * 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163 - */ - -int pthread_key_create( - pthread_key_t *key, - void (*destructor)( void * ) -) -{ - POSIX_Keys_Control *the_key; - void *table; - unsigned32 the_class; - unsigned32 bytes_to_allocate; - - - _Thread_Disable_dispatch(); - - the_key = _POSIX_Keys_Allocate(); - - if ( !the_key ) { - _Thread_Enable_dispatch(); - return EAGAIN; - } - - the_key->destructor = destructor; - - for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS; - the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS; - the_class++ ) { - - bytes_to_allocate = - (_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * ); - - table = _Workspace_Allocate( bytes_to_allocate ); - - if ( !table ) { - for ( --the_class; - the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS; - the_class-- ) - _Workspace_Free( the_key->Values[ the_class ] ); - - _POSIX_Keys_Free( the_key ); - _Thread_Enable_dispatch(); - return ENOMEM; - } - - the_key->Values[ the_class ] = table; - memset( table, '\0', bytes_to_allocate ); - } - - the_key->is_active = TRUE; - - _Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 ); - - *key = the_key->Object.id; - - _Thread_Enable_dispatch(); - - return 0; -} - -/*PAGE - * - * 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165 - */ - -int pthread_setspecific( - pthread_key_t key, - const void *value -) -{ - register POSIX_Keys_Control *the_key; - unsigned32 index; - unsigned32 class; - Objects_Locations location; - - the_key = _POSIX_Keys_Get( key, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return EINVAL; /* should never happen */ - case OBJECTS_LOCAL: - index = _Objects_Get_index( _Thread_Executing->Object.id ); - class = _Objects_Get_class( _Thread_Executing->Object.id ); - the_key->Values[ class ][ index ] = (void *) value; - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165 - */ - -void *pthread_getspecific( - pthread_key_t key -) -{ - register POSIX_Keys_Control *the_key; - unsigned32 index; - unsigned32 class; - Objects_Locations location; - - the_key = _POSIX_Keys_Get( key, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return NULL; - case OBJECTS_REMOTE: - return 0; /* should never happen */ - case OBJECTS_LOCAL: - index = _Objects_Get_index( _Thread_Executing->Object.id ); - class = _Objects_Get_class( _Thread_Executing->Object.id ); - return (void *) the_key->Values[ class ][ index ]; - } - return (void *) POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167 - */ - -int pthread_key_delete( - pthread_key_t key -) -{ - register POSIX_Keys_Control *the_key; - Objects_Locations location; - unsigned32 the_class; - - the_key = _POSIX_Keys_Get( key, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return 0; /* should never happen */ - case OBJECTS_LOCAL: - _Objects_Close( &_POSIX_Keys_Information, &the_key->Object ); - - the_key->is_active = FALSE; - - for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS; - the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS; - the_class++ ) - _Workspace_Free( the_key->Values[ the_class ] ); - - /* - * NOTE: The destructor is not called and it is the responsibility - * of the application to free the memory. - */ - - _POSIX_Keys_Free( the_key ); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * _POSIX_Keys_Run_destructors - * - * 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163 - * - * NOTE: This is the routine executed when a thread exits to - * run through all the keys and do the destructor action. - * - * XXX: This needs to be hooked to the thread exitting -- SOMEHOW. - */ - -void _POSIX_Keys_Run_destructors( - Thread_Control *thread -) -{ - unsigned32 index; - unsigned32 pthread_index; - unsigned32 pthread_class; - unsigned32 iterations; - boolean are_all_null; - POSIX_Keys_Control *the_key; - void *value; - - pthread_index = _Objects_Get_index( thread->Object.id ); - pthread_class = _Objects_Get_class( thread->Object.id ); - - iterations = 0; - - for ( ; ; ) { - - are_all_null = TRUE; - - for ( index=1 ; index <= _POSIX_Keys_Information.maximum ; index++ ) { - - the_key = (POSIX_Keys_Control *) - _POSIX_Keys_Information.local_table[ index ]; - - if ( the_key && the_key->is_active && the_key->destructor ) { - value = the_key->Values[ pthread_class ][ pthread_index ]; - if ( value ) { - (*the_key->destructor)( value ); - if ( the_key->Values[ pthread_class ][ pthread_index ] ) - are_all_null = FALSE; - } - } - } - - if ( are_all_null == TRUE ) - return; - - iterations++; - - /* - * The standard allows one to not do this and thus go into an infinite - * loop. It seems rude to unnecessarily lock up a system. - */ - - if ( iterations >= PTHREAD_DESTRUCTOR_ITERATIONS ) - return; - } -} diff --git a/cpukit/posix/src/mqueue.c b/cpukit/posix/src/mqueue.c deleted file mode 100644 index cde97bea2d..0000000000 --- a/cpukit/posix/src/mqueue.c +++ /dev/null @@ -1,715 +0,0 @@ -/* mqueue.c - * - * NOTE: The structure of the routines is identical to that of POSIX - * Message_queues to leave the option of having unnamed message - * queues at a future date. They are currently not part of the - * POSIX standard but unnamed message_queues are. This is also - * the reason for the apparently unnecessary tracking of - * the process_shared attribute. [In addition to the fact that - * it would be trivial to add pshared to the mq_attr structure - * and have process private message queues.] - * - * This code ignores the O_RDONLY/O_WRONLY/O_RDWR flag at open - * time. - * - * $Id$ - */ - -#include <stdarg.h> - -#include <pthread.h> -#include <limits.h> -#include <errno.h> -#include <fcntl.h> -#include <mqueue.h> - -#include <rtems/system.h> -#include <rtems/score/watchdog.h> -#include <rtems/posix/mqueue.h> -#include <rtems/posix/time.h> - -/*PAGE - * - * _POSIX_Message_queue_Manager_initialization - * - * This routine initializes all message_queue manager related data structures. - * - * Input parameters: - * maximum_message_queues - maximum configured message_queues - * - * Output parameters: NONE - */ - -void _POSIX_Message_queue_Manager_initialization( - unsigned32 maximum_message_queues -) -{ - _Objects_Initialize_information( - &_POSIX_Message_queue_Information, - OBJECTS_POSIX_MESSAGE_QUEUES, - TRUE, - maximum_message_queues, - sizeof( POSIX_Message_queue_Control ), - TRUE, - _POSIX_PATH_MAX, - FALSE - ); -} - -/*PAGE - * - * _POSIX_Message_queue_Create_support - */ - -int _POSIX_Message_queue_Create_support( - const char *name, - int pshared, - unsigned int oflag, - struct mq_attr *attr, - POSIX_Message_queue_Control **message_queue -) -{ - POSIX_Message_queue_Control *the_mq; - - _Thread_Disable_dispatch(); - - the_mq = _POSIX_Message_queue_Allocate(); - - if ( !the_mq ) { - _Thread_Enable_dispatch(); - seterrno( ENFILE ); - return -1; - } - - if ( pshared == PTHREAD_PROCESS_SHARED && - !( _Objects_MP_Allocate_and_open( &_POSIX_Message_queue_Information, 0, - the_mq->Object.id, FALSE ) ) ) { - _POSIX_Message_queue_Free( the_mq ); - _Thread_Enable_dispatch(); - seterrno( ENFILE ); - return -1; - } - - the_mq->process_shared = pshared; - - if ( name ) { - the_mq->named = TRUE; - the_mq->open_count = 1; - the_mq->linked = TRUE; - } - else - the_mq->named = FALSE; - - if ( oflag & O_NONBLOCK ) - the_mq->blocking = FALSE; - else - the_mq->blocking = TRUE; - - /* XXX - * - * Note that this should be based on the current scheduling policy. - */ - - /* XXX - * - * Message and waiting disciplines are not distinguished. - */ -/* - the_mq_attr->message_discipline = CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO; - the_mq_attr->waiting_discipline = CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO; - */ - - the_mq->Message_queue.Attributes.discipline = - CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO; - - if ( ! _CORE_message_queue_Initialize( - &the_mq->Message_queue, - OBJECTS_POSIX_MESSAGE_QUEUES, - &the_mq->Message_queue.Attributes, - attr->mq_maxmsg, - attr->mq_msgsize, - _POSIX_Message_queue_MP_Send_extract_proxy ) ) { - - if ( pshared == PTHREAD_PROCESS_SHARED ) - _Objects_MP_Close( &_POSIX_Message_queue_Information, the_mq->Object.id ); - - _POSIX_Message_queue_Free( the_mq ); - _Thread_Enable_dispatch(); - seterrno( ENOSPC ); - return -1; - } - - - /* XXX - need Names to be a string!!! */ - _Objects_Open( - &_POSIX_Message_queue_Information, - &the_mq->Object, - (char *) name - ); - - *message_queue = the_mq; - - if ( pshared == PTHREAD_PROCESS_SHARED ) - _POSIX_Message_queue_MP_Send_process_packet( - POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_CREATE, - the_mq->Object.id, - (char *) name, - 0 /* Not used */ - ); - - _Thread_Enable_dispatch(); - return 0; -} - -/*PAGE - * - * 15.2.2 Open a Message Queue, P1003.1b-1993, p. 272 - */ - -mqd_t mq_open( - const char *name, - int oflag, - ... - /* mode_t mode, */ - /* struct mq_attr attr */ -) -{ - va_list arg; - mode_t mode; - struct mq_attr *attr; - int status; - Objects_Id the_mq_id; - POSIX_Message_queue_Control *the_mq; - - if ( oflag & O_CREAT ) { - va_start(arg, oflag); - mode = (mode_t) va_arg( arg, mode_t * ); - attr = (struct mq_attr *) va_arg( arg, struct mq_attr ** ); - va_end(arg); - } - - status = _POSIX_Message_queue_Name_to_id( name, &the_mq_id ); - - /* - * If the name to id translation worked, then the message queue exists - * and we can just return a pointer to the id. Otherwise we may - * need to check to see if this is a "message queue does not exist" - * or some other miscellaneous error on the name. - */ - - if ( status ) { - - if ( status == EINVAL ) { /* name -> ID translation failed */ - if ( !(oflag & O_CREAT) ) { /* willing to create it? */ - seterrno( ENOENT ); - return (mqd_t) -1; - } - /* we are willing to create it */ - } - seterrno( status ); /* some type of error */ - return (mqd_t) -1; - - } else { /* name -> ID translation succeeded */ - - if ( (oflag & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL) ) { - seterrno( EEXIST ); - return (mqd_t) -1; - } - - /* - * XXX In this case we need to do an ID->pointer conversion to - * check the mode. This is probably a good place for a subroutine. - */ - - the_mq->open_count += 1; - - return (mqd_t)&the_mq->Object.id; - - } - - /* XXX verify this comment... - * - * At this point, the message queue does not exist and everything has been - * checked. We should go ahead and create a message queue. - */ - - status = _POSIX_Message_queue_Create_support( - name, - TRUE, /* shared across processes */ - oflag, - attr, - &the_mq - ); - - if ( status == -1 ) - return (mqd_t) -1; - - return (mqd_t) &the_mq->Object.id; -} - -/*PAGE - * - * _POSIX_Message_queue_Delete - */ - -void _POSIX_Message_queue_Delete( - POSIX_Message_queue_Control *the_mq -) -{ - if ( !the_mq->linked && !the_mq->open_count ) { - _POSIX_Message_queue_Free( the_mq ); - - if ( the_mq->process_shared == PTHREAD_PROCESS_SHARED ) { - - _Objects_MP_Close( - &_POSIX_Message_queue_Information, - the_mq->Object.id - ); - - _POSIX_Message_queue_MP_Send_process_packet( - POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_DELETE, - the_mq->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - - } -} - -/*PAGE - * - * 15.2.2 Close a Message Queue, P1003.1b-1993, p. 275 - */ - -int mq_close( - mqd_t mqdes -) -{ - register POSIX_Message_queue_Control *the_mq; - Objects_Locations location; - - the_mq = _POSIX_Message_queue_Get( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - the_mq->open_count -= 1; - _POSIX_Message_queue_Delete( the_mq ); - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 15.2.2 Remove a Message Queue, P1003.1b-1993, p. 276 - */ - -int mq_unlink( - const char *name -) -{ - int status; - register POSIX_Message_queue_Control *the_mq; - Objects_Id the_mq_id; - Objects_Locations location; - - status = _POSIX_Message_queue_Name_to_id( name, &the_mq_id ); - - if ( !status ) { - seterrno( status ); - return -1; - } - - the_mq = _POSIX_Message_queue_Get( the_mq_id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - - _Objects_MP_Close( - &_POSIX_Message_queue_Information, - the_mq->Object.id - ); - - the_mq->linked = FALSE; - - _POSIX_Message_queue_Delete( the_mq ); - - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * _POSIX_Message_queue_Send_support - */ - -int _POSIX_Message_queue_Send_support( - mqd_t mqdes, - const char *msg_ptr, - unsigned32 msg_len, - Priority_Control msg_prio, - Watchdog_Interval timeout -) -{ - register POSIX_Message_queue_Control *the_mq; - Objects_Locations location; - - the_mq = _POSIX_Message_queue_Get( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - /* XXX must add support for timeout and priority */ - _CORE_message_queue_Send( - &the_mq->Message_queue, - (void *) msg_ptr, - msg_len, - mqdes, - NULL /* XXX _POSIX_Message_queue_Core_message_queue_mp_support*/ - ); - _Thread_Enable_dispatch(); - return _Thread_Executing->Wait.return_code; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 15.2.4 Send a Message to a Message Queue, P1003.1b-1993, p. 277 - * - * NOTE: P1003.4b/D8, p. 45 adds mq_timedsend(). - */ - -int mq_send( - mqd_t mqdes, - const char *msg_ptr, - size_t msg_len, - unsigned int msg_prio -) -{ - return _POSIX_Message_queue_Send_support( - mqdes, - msg_ptr, - msg_len, - msg_prio, - THREAD_QUEUE_WAIT_FOREVER - ); -} - -/*PAGE - * - * 15.2.4 Send a Message to a Message Queue, P1003.1b-1993, p. 277 - * - * NOTE: P1003.4b/D8, p. 45 adds mq_timedsend(). - */ - -int mq_timedsend( - mqd_t mqdes, - const char *msg_ptr, - size_t msg_len, - unsigned int msg_prio, - const struct timespec *timeout -) -{ - return _POSIX_Message_queue_Send_support( - mqdes, - msg_ptr, - msg_len, - msg_prio, - _POSIX_Time_Spec_to_interval( timeout ) - ); -} - -/*PAGE - * - * _POSIX_Message_queue_Receive_support - */ - -/* XXX be careful ... watch the size going through all the layers ... */ - -ssize_t _POSIX_Message_queue_Receive_support( - mqd_t mqdes, - char *msg_ptr, - size_t msg_len, - unsigned int *msg_prio, - Watchdog_Interval timeout -) -{ - register POSIX_Message_queue_Control *the_mq; - Objects_Locations location; - unsigned32 status = 0; - unsigned32 length_out; - - the_mq = _POSIX_Message_queue_Get( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - /* XXX need to define the options argument to this */ - length_out = msg_len; - _CORE_message_queue_Seize( - &the_mq->Message_queue, - mqdes, - msg_ptr, - &length_out, - /* msg_prio, XXXX */ - the_mq->blocking, - timeout - ); - _Thread_Enable_dispatch(); - if ( !status ) - return length_out; - /* XXX --- the return codes gotta be looked at .. fix this */ - return _Thread_Executing->Wait.return_code; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 15.2.5 Receive a Message From a Message Queue, P1003.1b-1993, p. 279 - * - * NOTE: P1003.4b/D8, p. 45 adds mq_timedreceive(). - */ - -ssize_t mq_receive( - mqd_t mqdes, - char *msg_ptr, - size_t msg_len, - unsigned int *msg_prio -) -{ - return _POSIX_Message_queue_Receive_support( - mqdes, - msg_ptr, - msg_len, - msg_prio, - THREAD_QUEUE_WAIT_FOREVER - ); -} - -/*PAGE - * - * 15.2.5 Receive a Message From a Message Queue, P1003.1b-1993, p. 279 - * - * NOTE: P1003.4b/D8, p. 45 adds mq_timedreceive(). - */ - -int mq_timedreceive( /* XXX: should this be ssize_t */ - mqd_t mqdes, - char *msg_ptr, - size_t msg_len, - unsigned int *msg_prio, - const struct timespec *timeout -) -{ - return _POSIX_Message_queue_Receive_support( - mqdes, - msg_ptr, - msg_len, - msg_prio, - _POSIX_Time_Spec_to_interval( timeout ) - ); -} - -/*PAGE - * - * _POSIX_Message_queue_Notify_handler - * - */ - -void _POSIX_Message_queue_Notify_handler( - void *user_data -) -{ - POSIX_Message_queue_Control *the_mq; - - the_mq = user_data; - - /* XXX do something with signals here!!!! */ -} - -/*PAGE - * - * 15.2.6 Notify Process that a Message is Available on a Queue, - * P1003.1b-1993, p. 280 - */ - -int mq_notify( - mqd_t mqdes, - const struct sigevent *notification -) -{ - register POSIX_Message_queue_Control *the_mq; - Objects_Locations location; - - the_mq = _POSIX_Message_queue_Get( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EBADF ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - if ( notification ) { - if ( _CORE_message_queue_Is_notify_enabled( &the_mq->Message_queue ) ) { - _Thread_Enable_dispatch(); - seterrno( EBUSY ); - return( -1 ); - } - - _CORE_message_queue_Set_notify( &the_mq->Message_queue, NULL, NULL ); - - the_mq->notification = *notification; - - _CORE_message_queue_Set_notify( - &the_mq->Message_queue, - _POSIX_Message_queue_Notify_handler, - the_mq - ); - } else { - - _CORE_message_queue_Set_notify( &the_mq->Message_queue, NULL, NULL ); - - } - - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 15.2.7 Set Message Queue Attributes, P1003.1b-1993, p. 281 - */ - -int mq_setattr( - mqd_t mqdes, - const struct mq_attr *mqstat, - struct mq_attr *omqstat -) -{ - register POSIX_Message_queue_Control *the_mq; - Objects_Locations location; - CORE_message_queue_Attributes *the_mq_attr; - - the_mq = _POSIX_Message_queue_Get( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - /* - * Return the old values. - */ - - /* XXX this is the same stuff as is in mq_getattr... and probably */ - /* XXX should be in an inlined private routine */ - - the_mq_attr = &the_mq->Message_queue.Attributes; - - omqstat->mq_flags = the_mq->flags; - omqstat->mq_msgsize = the_mq->Message_queue.maximum_message_size; - omqstat->mq_maxmsg = the_mq->Message_queue.maximum_pending_messages; - omqstat->mq_curmsgs = the_mq->Message_queue.number_of_pending_messages; - - /* - * Ignore everything except the O_NONBLOCK bit. - */ - - if ( mqstat->mq_flags & O_NONBLOCK ) - the_mq->blocking = FALSE; - else - the_mq->blocking = TRUE; - - the_mq->flags = mqstat->mq_flags; - - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 15.2.8 Get Message Queue Attributes, P1003.1b-1993, p. 283 - */ - -int mq_getattr( - mqd_t mqdes, - struct mq_attr *mqstat -) -{ - register POSIX_Message_queue_Control *the_mq; - Objects_Locations location; - CORE_message_queue_Attributes *the_mq_attr; - - the_mq = _POSIX_Message_queue_Get( mqdes, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - /* - * Return the old values. - */ - - /* XXX this is the same stuff as is in mq_setattr... and probably */ - /* XXX should be in an inlined private routine */ - - the_mq_attr = &the_mq->Message_queue.Attributes; - - mqstat->mq_flags = the_mq->flags; - mqstat->mq_msgsize = the_mq->Message_queue.maximum_message_size; - mqstat->mq_maxmsg = the_mq->Message_queue.maximum_pending_messages; - mqstat->mq_curmsgs = the_mq->Message_queue.number_of_pending_messages; - - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} diff --git a/cpukit/posix/src/mutex.c b/cpukit/posix/src/mutex.c deleted file mode 100644 index 1cb3f480c8..0000000000 --- a/cpukit/posix/src/mutex.c +++ /dev/null @@ -1,569 +0,0 @@ -/* mutex.c - * - * $Id$ - */ - -#include <errno.h> -#include <pthread.h> - -#include <rtems/system.h> -#include <rtems/score/coremutex.h> -#include <rtems/score/watchdog.h> -#include <rtems/score/mpci.h> -#include <rtems/posix/mutex.h> -#include <rtems/posix/priority.h> -#include <rtems/posix/time.h> - -/*PAGE - * - * The default mutex attributes structure. - */ - -const pthread_mutexattr_t _POSIX_Mutex_Default_attributes = { - TRUE, /* is_initialized */ - PTHREAD_PROCESS_PRIVATE, /* process_shared */ - POSIX_SCHEDULER_MINIMUM_PRIORITY, /* prio_ceiling */ - PTHREAD_PRIO_NONE, /* protocol */ - FALSE /* recursive */ -}; - -/*PAGE - * - * _POSIX_Mutex_Manager_initialization - * - * This routine initializes all mutex manager related data structures. - * - * Input parameters: - * maximum_mutexes - maximum configured mutexes - * - * Output parameters: NONE - */ - -void _POSIX_Mutex_Manager_initialization( - unsigned32 maximum_mutexes -) -{ - _Objects_Initialize_information( - &_POSIX_Mutex_Information, - OBJECTS_POSIX_MUTEXES, - TRUE, - maximum_mutexes, - sizeof( POSIX_Mutex_Control ), - FALSE, - 0, - FALSE - ); -} - -/*PAGE - * - * 11.3.1 Mutex Initialization Attributes, P1003.1c/Draft 10, p. 81 - */ - -int pthread_mutexattr_init( - pthread_mutexattr_t *attr -) -{ - if ( !attr ) - return EINVAL; - - *attr = _POSIX_Mutex_Default_attributes; - return 0; -} - -/*PAGE - * - * 11.3.1 Mutex Initialization Attributes, P1003.1c/Draft 10, p. 81 - */ - -int pthread_mutexattr_destroy( - pthread_mutexattr_t *attr -) -{ - if ( !attr || attr->is_initialized == FALSE ) - return EINVAL; - - attr->is_initialized = FALSE; - return 0; -} - -/*PAGE - * - * 11.3.1 Mutex Initialization Attributes, P1003.1c/Draft 10, p. 81 - */ - -int pthread_mutexattr_getpshared( - const pthread_mutexattr_t *attr, - int *pshared -) -{ - if ( !attr ) - return EINVAL; - - *pshared = attr->process_shared; - return 0; -} - -/*PAGE - * - * 11.3.1 Mutex Initialization Attributes, P1003.1c/Draft 10, p. 81 - */ - -int pthread_mutexattr_setpshared( - pthread_mutexattr_t *attr, - int pshared -) -{ - if ( !attr ) - return EINVAL; - - attr->process_shared = pshared; - return 0; -} - -/*PAGE - * - * 11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87 - * - * NOTE: XXX Could be optimized so all the attribute error checking - * is not performed when attr is NULL. - */ - -int pthread_mutex_init( - pthread_mutex_t *mutex, - const pthread_mutexattr_t *attr -) -{ - POSIX_Mutex_Control *the_mutex; - CORE_mutex_Attributes *the_mutex_attr; - const pthread_mutexattr_t *the_attr; - CORE_mutex_Disciplines the_discipline; - - if ( attr ) the_attr = attr; - else the_attr = &_POSIX_Mutex_Default_attributes; - - /* - * XXX: Be careful about attributes when global!!! - */ - - if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED ) - return POSIX_MP_NOT_IMPLEMENTED(); - - if ( !the_attr->is_initialized ) - return EINVAL; - - /* - * Determine the discipline of the mutex - */ - - switch ( the_attr->protocol ) { - case PTHREAD_PRIO_NONE: - the_discipline = CORE_MUTEX_DISCIPLINES_FIFO; - break; - case PTHREAD_PRIO_INHERIT: - the_discipline = CORE_MUTEX_DISCIPLINES_PRIORITY_INHERIT; - break; - case PTHREAD_PRIO_PROTECT: - the_discipline = CORE_MUTEX_DISCIPLINES_PRIORITY_CEILING; - break; - default: - return EINVAL; - } - - if ( !_POSIX_Priority_Is_valid( the_attr->prio_ceiling ) ) - return EINVAL; - - _Thread_Disable_dispatch(); - - the_mutex = _POSIX_Mutex_Allocate(); - - if ( !the_mutex ) { - _Thread_Enable_dispatch(); - return ENOMEM; - } - - if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED && - !( _Objects_MP_Allocate_and_open( &_POSIX_Mutex_Information, 0, - the_mutex->Object.id, FALSE ) ) ) { - _POSIX_Mutex_Free( the_mutex ); - _Thread_Enable_dispatch(); - return EAGAIN; - } - - the_mutex->process_shared = the_attr->process_shared; - - the_mutex_attr = &the_mutex->Mutex.Attributes; - - the_mutex_attr->allow_nesting = the_attr->recursive; - the_mutex_attr->priority_ceiling = - _POSIX_Priority_To_core( the_attr->prio_ceiling ); - the_mutex_attr->discipline = the_discipline; - - /* - * Must be initialized to unlocked. - */ - - _CORE_mutex_Initialize( - &the_mutex->Mutex, - OBJECTS_POSIX_MUTEXES, - the_mutex_attr, - CORE_MUTEX_UNLOCKED, - 0 /* XXX proxy_extract_callout */ - ); - - _Objects_Open( &_POSIX_Mutex_Information, &the_mutex->Object, 0 ); - - *mutex = the_mutex->Object.id; - - if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED ) - _POSIX_Mutex_MP_Send_process_packet( - POSIX_MUTEX_MP_ANNOUNCE_CREATE, - the_mutex->Object.id, - 0, /* Name not used */ - 0 /* Not used */ - ); - - _Thread_Enable_dispatch(); - return 0; -} - -/*PAGE - * - * 11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87 - */ - -int pthread_mutex_destroy( - pthread_mutex_t *mutex -) -{ - register POSIX_Mutex_Control *the_mutex; - Objects_Locations location; - - the_mutex = _POSIX_Mutex_Get( mutex, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - return EINVAL; - case OBJECTS_LOCAL: - /* - * XXX: There is an error for the mutex being locked - * or being in use by a condition variable. - */ - - if ( _CORE_mutex_Is_locked( &the_mutex->Mutex ) ) { - _Thread_Enable_dispatch(); - return EBUSY; - } - - _Objects_Close( &_POSIX_Mutex_Information, &the_mutex->Object ); - - _CORE_mutex_Flush( - &the_mutex->Mutex, - _POSIX_Mutex_MP_Send_object_was_deleted, - EINVAL - ); - - _POSIX_Mutex_Free( the_mutex ); - - if ( the_mutex->process_shared == PTHREAD_PROCESS_SHARED ) { - - _Objects_MP_Close( &_POSIX_Mutex_Information, the_mutex->Object.id ); - - _POSIX_Mutex_MP_Send_process_packet( - POSIX_MUTEX_MP_ANNOUNCE_DELETE, - the_mutex->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/* - * _POSIX_Mutex_Lock_support - * - * A support routine which implements guts of the blocking, non-blocking, and - * timed wait version of mutex lock. - */ - -int _POSIX_Mutex_Lock_support( - pthread_mutex_t *mutex, - boolean blocking, - Watchdog_Interval timeout -) -{ - register POSIX_Mutex_Control *the_mutex; - Objects_Locations location; - - the_mutex = _POSIX_Mutex_Get( mutex, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return _POSIX_Mutex_MP_Send_request_packet( - POSIX_MUTEX_MP_OBTAIN_REQUEST, - *mutex, - 0, /* must define the option set */ - WATCHDOG_NO_TIMEOUT - ); - case OBJECTS_LOCAL: - _CORE_mutex_Seize( - &the_mutex->Mutex, - the_mutex->Object.id, - blocking, - timeout - ); - _Thread_Enable_dispatch(); - return _Thread_Executing->Wait.return_code; - break; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.3.3 Locking and Unlocking a Mutex, P1003.1c/Draft 10, p. 93 - * - * NOTE: P1003.4b/D8 adds pthread_mutex_timedlock(), p. 29 - */ - -int pthread_mutex_lock( - pthread_mutex_t *mutex -) -{ - return _POSIX_Mutex_Lock_support( mutex, TRUE, THREAD_QUEUE_WAIT_FOREVER ); -} - -/*PAGE - * - * 11.3.3 Locking and Unlocking a Mutex, P1003.1c/Draft 10, p. 93 - * - * NOTE: P1003.4b/D8 adds pthread_mutex_timedlock(), p. 29 - */ - -int pthread_mutex_trylock( - pthread_mutex_t *mutex -) -{ - return _POSIX_Mutex_Lock_support( mutex, FALSE, THREAD_QUEUE_WAIT_FOREVER ); -} - -/*PAGE - * - * 11.3.3 Locking and Unlocking a Mutex, P1003.1c/Draft 10, p. 93 - * - * NOTE: P1003.4b/D8 adds pthread_mutex_timedlock(), p. 29 - */ - -void POSIX_Threads_mutex_MP_support( - Thread_Control *the_thread, - Objects_Id id -) -{ - (void) POSIX_MP_NOT_IMPLEMENTED(); /* XXX: should never get here */ -} - -int pthread_mutex_unlock( - pthread_mutex_t *mutex -) -{ - register POSIX_Mutex_Control *the_mutex; - Objects_Locations location; - - the_mutex = _POSIX_Mutex_Get( mutex, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return _POSIX_Mutex_MP_Send_request_packet( - POSIX_MUTEX_MP_RELEASE_REQUEST, - *mutex, - 0, /* Not used */ - MPCI_DEFAULT_TIMEOUT - ); - case OBJECTS_LOCAL: - _CORE_mutex_Surrender( - &the_mutex->Mutex, - the_mutex->Object.id, - POSIX_Threads_mutex_MP_support - ); - _Thread_Enable_dispatch(); - return _Thread_Executing->Wait.return_code; /* XXX return status */ - break; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.3.3 Locking and Unlocking a Mutex, P1003.1c/Draft 10, p. 93 - * - * NOTE: P1003.4b/D8 adds pthread_mutex_timedlock(), p. 29 - */ - -int pthread_mutex_timedlock( - pthread_mutex_t *mutex, - const struct timespec *timeout -) -{ - return _POSIX_Mutex_Lock_support( - mutex, - TRUE, - _POSIX_Time_Spec_to_interval( timeout ) - ); -} - -/*PAGE - * - * 13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128 - */ - -int pthread_mutexattr_setprotocol( - pthread_mutexattr_t *attr, - int protocol -) -{ - if ( !attr ) - return EINVAL; - - attr->protocol = protocol; - return 0; -} - -/*PAGE - * - * 13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128 - */ - -int pthread_mutexattr_getprotocol( - const pthread_mutexattr_t *attr, - int *protocol -) -{ - if ( !attr ) - return EINVAL; - - *protocol = attr->protocol; - return 0; -} - -/*PAGE - * - * 13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128 - */ - -int pthread_mutexattr_setprioceiling( - pthread_mutexattr_t *attr, - int prioceiling -) -{ - if ( !attr ) - return EINVAL; - - if ( !_POSIX_Priority_Is_valid( attr->prio_ceiling ) ) - return EINVAL; - - attr->prio_ceiling = prioceiling; - return 0; -} - -/*PAGE - * - * 13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128 - */ - -int pthread_mutexattr_getprioceiling( - const pthread_mutexattr_t *attr, - int *prioceiling -) -{ - if ( !attr ) - return EINVAL; - - *prioceiling = attr->prio_ceiling; - return 0; -} - -/*PAGE - * - * 13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131 - */ - -int pthread_mutex_setprioceiling( - pthread_mutex_t *mutex, - int prioceiling, - int *old_ceiling -) -{ - register POSIX_Mutex_Control *the_mutex; - Objects_Locations location; - Priority_Control the_priority; - int status; - - if ( !_POSIX_Priority_Is_valid( prioceiling ) ) - return EINVAL; - - the_priority = _POSIX_Priority_To_core( prioceiling ); - - /* - * Must acquire the mutex before we can change it's ceiling - */ - - status = pthread_mutex_lock( mutex ); - if ( status ) - return status; - - the_mutex = _POSIX_Mutex_Get( mutex, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return POSIX_MP_NOT_IMPLEMENTED(); /* XXX feels questionable */ - return EINVAL; - case OBJECTS_LOCAL: - the_mutex->Mutex.Attributes.priority_ceiling = the_priority; - _CORE_mutex_Surrender( - &the_mutex->Mutex, - the_mutex->Object.id, - POSIX_Threads_mutex_MP_support - ); - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131 - */ - -int pthread_mutex_getprioceiling( - pthread_mutex_t *mutex, - int *prioceiling -) -{ - register POSIX_Mutex_Control *the_mutex; - Objects_Locations location; - - the_mutex = _POSIX_Mutex_Get( mutex, &location ); - switch ( location ) { - case OBJECTS_ERROR: - return EINVAL; - case OBJECTS_REMOTE: - return POSIX_MP_NOT_IMPLEMENTED(); /* XXX feels questionable */ - case OBJECTS_LOCAL: - *prioceiling = _POSIX_Priority_From_core( - the_mutex->Mutex.Attributes.priority_ceiling - ); - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} diff --git a/cpukit/posix/src/psignal.c b/cpukit/posix/src/psignal.c deleted file mode 100644 index b8bd3d56ea..0000000000 --- a/cpukit/posix/src/psignal.c +++ /dev/null @@ -1,259 +0,0 @@ -/* signal.c - * - * $Id$ - */ - -#include <signal.h> - -#include <rtems/system.h> -#include <rtems/score/thread.h> - -#ifdef NOT_IMPLEMENTED_YET - -/* - * 3.3.2 Send a Signal to a Process, P1003.1b-1993, p. 68 - * - * NOTE: Behavior of kill() depends on _POSIX_SAVED_IDS. - */ - -int kill( - pid_t pid, - int sig -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69 - */ - -int sigemptyset( - sigset_t *set -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69 - */ - -int sigfillset( - sigset_t *set -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69 - */ - -int sigaddset( - sigset_t *set, - int signo -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69 - */ - -int sigdelset( - sigset_t *set, - int signo -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69 - */ - -int sigismember( - const sigset_t *set, - int signo -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.4 Examine and Change Signal Action, P1003.1b-1993, p. 70 - */ - -int sigaction( - int sig, - const struct sigaction *act, - struct sigaction *oact -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.5 Examine and Change Blocked Signals, P1003.1b-1993, p. 73 - * - * NOTE: P1003.1c/D10, p. 37 adds pthread_sigmask(). - */ - -int sigprocmask( - int how, - const sigset_t *set, - sigset_t *oset -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.5 Examine and Change Blocked Signals, P1003.1b-1993, p. 73 - * - * NOTE: P1003.1c/D10, p. 37 adds pthread_sigmask(). - */ - -int pthread_sigmask( - int how, - const sigset_t *set, - sigset_t *oset -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.6 Examine Pending Signals, P1003.1b-1993, p. 75 - */ - -int sigpending( - sigset_t *set -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.7 Wait for a Signal, P1003.1b-1993, p. 75 - */ - -int sigsuspend( - const sigset_t *sigmask -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 - * - * NOTE: P1003.1c/D10, p. 39 adds sigwait(). - */ - -int sigwaitinfo( - const sigset_t *set, - siginfo_t *info -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 - * - * NOTE: P1003.1c/D10, p. 39 adds sigwait(). - */ - -int sigtimedwait( - const sigset_t *set, - siginfo_t *info, - const struct timespec *timeout -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76 - * - * NOTE: P1003.1c/D10, p. 39 adds sigwait(). - */ - -int sigwait( - const sigset_t *set, - int *sig -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.9 Queue a Signal to a Process, P1003.1b-1993, p. 78 - */ - -int sigqueue( - pid_t pid, - int signo, - const union sigval value -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.3.10 Send a Signal to a Thread, P1003.1c/D10, p. 43 - */ - -int pthread_kill( - pthread_t thread, - int sig -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.4.1 Schedule Alarm, P1003.1b-1993, p. 79 - */ - -unsigned int alarm( - unsigned int seconds -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 3.4.2 Suspend Process Execution, P1003.1b-1993, p. 80 - */ - -int pause( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif - -/* - * 3.4.3 Delay Process Execution, P1003.1b-1993, p. 73 - */ - -unsigned int sleep( - unsigned int seconds -) -{ - _Thread_Disable_dispatch(); - _Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_TIME ); - _Watchdog_Initialize( - &_Thread_Executing->Timer, - _Thread_Delay_ended, /* XXX may need to be POSIX specific */ - _Thread_Executing->Object.id, - NULL - ); - _Watchdog_Insert_seconds( &_Thread_Executing->Timer, seconds ); - _Thread_Enable_dispatch(); - return 0; /* XXX should account for signal */ -} diff --git a/cpukit/posix/src/pthread.c b/cpukit/posix/src/pthread.c deleted file mode 100644 index 706b967309..0000000000 --- a/cpukit/posix/src/pthread.c +++ /dev/null @@ -1,548 +0,0 @@ -/* pthread.c - * - * $Id$ - */ - -#include <errno.h> -#include <pthread.h> -#include <limits.h> - -#include <rtems/system.h> -#include <rtems/score/stack.h> -#include <rtems/score/thread.h> -#include <rtems/posix/pthread.h> - -/*PAGE - * - * The default pthreads attributes structure. - */ - -const pthread_attr_t _POSIX_Threads_Default_attributes = { - TRUE, /* is_initialized */ - 0, /* stackaddr */ - STACK_MINIMUM_SIZE, /* stacksize */ - PTHREAD_SCOPE_PROCESS, /* contentionscope */ - PTHREAD_INHERIT_SCHED, /* inheritsched */ - SCHED_FIFO, /* schedpolicy */ - { /* schedparam */ - 128, /* sched_priority */ - 0, /* ss_low_priority */ - { 0L, 0 }, /* ss_replenish_period */ - { 0L, 0 } /* ss_initial_budget */ - }, - PTHREAD_CREATE_DETACHED, /* detachstate */ - 1 /* cputime_clock_allowed */ -}; - -/*PAGE - * - * _POSIX_Threads_Manager_initialization - * - * This routine initializes all threads manager related data structures. - * - * Input parameters: - * maximum_pthreads - maximum configured pthreads - * - * Output parameters: NONE - */ - -void _POSIX_Threads_Manager_initialization( - unsigned32 maximum_pthreads -) -{ - _Objects_Initialize_information( - &_POSIX_Threads_Information, - OBJECTS_POSIX_THREADS, - TRUE, - maximum_pthreads, - sizeof( POSIX_Threads_Control ), - TRUE, - _POSIX_PATH_MAX, - TRUE - ); -} - -/*PAGE - * - * 3.1.3 Register Fork Handlers, P1003.1c/Draft 10, P1003.1c/Draft 10, p. 27 - * - * RTEMS does not support processes, so we fall under this and do not - * provide this routine: - * - * "Either the implementation shall support the pthread_atfork() function - * as described above or the pthread_atfork() funciton shall not be - * provided." - */ - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_setscope( - pthread_attr_t *attr, - int contentionscope -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->contentionscope = contentionscope; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_getscope( - const pthread_attr_t *attr, - int *contentionscope -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *contentionscope = attr->contentionscope; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_setinheritsched( - pthread_attr_t *attr, - int inheritsched -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->inheritsched = inheritsched; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_getinheritsched( - const pthread_attr_t *attr, - int *inheritsched -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *inheritsched = attr->inheritsched; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_setschedpolicy( - pthread_attr_t *attr, - int policy -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->schedpolicy = policy; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_getschedpolicy( - const pthread_attr_t *attr, - int *policy -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *policy = attr->schedpolicy; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_setschedparam( - pthread_attr_t *attr, - const struct sched_param *param -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->schedparam = *param; - return 0; -} - -/*PAGE - * - * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 - */ - -int pthread_attr_getschedparam( - const pthread_attr_t *attr, - struct sched_param *param -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *param = attr->schedparam; - return 0; -} - -/*PAGE - * - * 13.5.2 Dynamic Thread Scheduling Parameters Access, - * P1003.1c/Draft 10, p. 124 - */ - -int pthread_getschedparam( - pthread_t thread, - int *policy, - struct sched_param *param -) -{ - pthread_attr_t *attr; /* XXX: really need to get this from the thread */ - - if ( !policy || !param ) - return EINVAL; - - *policy = attr->schedpolicy; - *param = attr->schedparam; - return 0; -} - -/*PAGE - * - * 13.5.2 Dynamic Thread Scheduling Parameters Access, - * P1003.1c/Draft 10, p. 124 - */ - -int pthread_setschedparam( - pthread_t thread, - int policy, - struct sched_param *param -) -{ - /* XXX need to reschedule after doing this to the thread */ - pthread_attr_t *attr; /* XXX: really need to get this from the thread */ - - if ( !param ) - return EINVAL; - - attr->schedpolicy = policy; - attr->schedparam = *param; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_init( - pthread_attr_t *attr -) -{ - if ( !attr ) - return EINVAL; - - *attr = _POSIX_Threads_Default_attributes; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_destroy( - pthread_attr_t *attr -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->is_initialized = FALSE; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_getstacksize( - const pthread_attr_t *attr, - size_t *stacksize -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *stacksize = attr->stacksize; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_setstacksize( - pthread_attr_t *attr, - size_t stacksize -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->stacksize = stacksize; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_getstackaddr( - const pthread_attr_t *attr, - void **stackaddr -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *stackaddr = attr->stackaddr; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_setstackaddr( - pthread_attr_t *attr, - void *stackaddr -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->stackaddr = stackaddr; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_getdetachstate( - const pthread_attr_t *attr, - int *detachstate -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *detachstate = attr->detachstate; - return 0; -} - -/*PAGE - * - * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 - */ - -int pthread_attr_setdetachstate( - pthread_attr_t *attr, - int detachstate -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->detachstate = detachstate; - return 0; -} - -#ifdef NOT_IMPLEMENTED_YET - -/*PAGE - * - * 16.1.2 Thread Creation, P1003.1c/Draft 10, p. 144 - */ - -int pthread_create( - pthread_t *thread, - const pthread_attr_t *attr, - void (*start_routine)( void * ), - void *arg -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 16.1.3 Wait for Thread Termination, P1003.1c/Draft 10, p. 147 - */ - -int pthread_join( - pthread_t thread, - void **value_ptr -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 16.1.4 Detaching a Thread, P1003.1c/Draft 10, p. 149 - */ - -int pthread_detach( - pthread_t thread -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif - -/*PAGE - * - * 16.1.6 Get Calling Thread's ID, p1003.1c/Draft 10, p. XXX - */ - -pthread_t pthread_self( void ) -{ - return _Thread_Executing->Object.id; -} - -/*PAGE - * - * 16.1.7 Compare Thread IDs, p1003.1c/Draft 10, p. 153 - */ - -int pthread_equal( - pthread_t t1, - pthread_t t2 -) -{ -#ifdef RTEMS_DEBUG - /* XXX may want to do a "get" to make sure both are valid. */ - /* XXX behavior is undefined if not valid pthread_t's */ -#endif - return _Objects_Are_ids_equal( t1, t1 ); -} - -/*PAGE - * - * 16.1.8 Dynamic Package Initialization - */ - -int pthread_once( - pthread_once_t *once_control, - void (*init_routine)(void) -) -{ - /* XXX: Should we implement this routine this way or make it a full */ - /* XXX: fledged object? */ - - if ( !once_control || !init_routine ) - return EINVAL; - - _Thread_Disable_dispatch(); - - if ( !once_control->is_initialized ) { - - once_control->is_initialized = TRUE; - once_control->init_executed = TRUE; - (*init_routine)(); - - } if ( !once_control->init_executed ) { - - once_control->init_executed = TRUE; - (*init_routine)(); - - } - - _Thread_Enable_dispatch(); - - return 0; -} - -#ifdef NOT_IMPLEMENTED_YET - -/*PAGE - * - * 20.1.6 Accessing a Thread CPU-time Clock, P1003.4b/D8, p. 58 - */ - -int pthread_getcpuclockid( - pthread_t pid, - clockid_t *clock_id -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif - -/*PAGE - * - * 20.1.7 CPU-time Clock Thread Creation Attribute, P1003.4b/D8, p. 59 - */ - -int pthread_attr_setcputime( - pthread_attr_t *attr, - int clock_allowed -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - attr->cputime_clock_allowed = clock_allowed; - return 0; -} - -/*PAGE - * - * 20.1.7 CPU-time Clock Thread Creation Attribute, P1003.4b/D8, p. 59 - */ - -int pthread_attr_getcputime( - pthread_attr_t *attr, - int *clock_allowed -) -{ - if ( !attr || !attr->is_initialized ) - return EINVAL; - - *clock_allowed = attr->cputime_clock_allowed; - return 0; -} diff --git a/cpukit/posix/src/sched.c b/cpukit/posix/src/sched.c deleted file mode 100644 index 4cea4f5a3d..0000000000 --- a/cpukit/posix/src/sched.c +++ /dev/null @@ -1,129 +0,0 @@ -/* sched.c - * - * $Id$ - */ - -#include <sched.h> - -#include <rtems/system.h> -#include <rtems/score/tod.h> -#include <rtems/score/thread.h> -#include <rtems/posix/priority.h> - -#ifdef NOT_IMPLEMENTED_YET - -/*PAGE - * - * 13.3.1 Set Scheduling Parameters, P1003.1b-1993, p. 252 - * - */ - -int sched_setparam( - pid_t pid, - const struct sched_param *param -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 13.3.2 Set Scheduling Parameters, P1003.1b-1993, p. 253 - */ - -int sched_getparam( - pid_t pid, - const struct sched_param *param -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 13.3.3 Set Scheduling Policy and Scheduling Parameters, - * P1003.1b-1993, p. 254 - */ - -int sched_setscheduler( - pid_t pid, - int policy, - const struct sched_param *param -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 13.3.4 Get Scheduling Policy, P1003.1b-1993, p. 256 - */ - -int sched_getscheduler( - pid_t pid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif - -/*PAGE - * - * 13.3.6 Get Scheduling Parameter Limits, P1003.1b-1993, p. 258 - */ - -int sched_get_priority_max( - int policy -) -{ - /* XXX error check the policy */ - return POSIX_SCHEDULER_MAXIMUM_PRIORITY; -} - -/*PAGE - * - * 13.3.6 Get Scheduling Parameter Limits, P1003.1b-1993, p. 258 - */ - -int sched_get_priority_min( - int policy -) -{ - /* XXX error check the policy */ - return POSIX_SCHEDULER_MINIMUM_PRIORITY; -} - -/*PAGE - * - * 13.3.6 Get Scheduling Parameter Limits, P1003.1b-1993, p. 258 - */ - -int sched_rr_get_interval( - pid_t pid, - struct timespec *interval -) -{ - time_t us_per_quantum; - - /* XXX eventually should support different time quantums per thread */ - - /* XXX should get for errors? (bad pid) */ - - us_per_quantum = _TOD_Microseconds_per_tick * _Thread_Ticks_per_timeslice; - - interval->tv_sec = us_per_quantum / TOD_MICROSECONDS_PER_SECOND; - interval->tv_nsec = (us_per_quantum % TOD_MICROSECONDS_PER_SECOND) * 1000; - return 0; -} - -/*PAGE - * - * 13.3.5 Yield Processor, P1003.1b-1993, p. 257 - */ - -int sched_yield( void ) -{ - _Thread_Yield_processor(); - return 0; -} diff --git a/cpukit/posix/src/semaphore.c b/cpukit/posix/src/semaphore.c deleted file mode 100644 index e17124152c..0000000000 --- a/cpukit/posix/src/semaphore.c +++ /dev/null @@ -1,576 +0,0 @@ -/* semaphore.c - * - * $Id$ - */ - -#include <stdarg.h> - -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> -#include <semaphore.h> -#include <limits.h> - -#include <rtems/system.h> -#include <rtems/score/object.h> -#include <rtems/posix/semaphore.h> -#include <rtems/posix/time.h> - -/*PAGE - * - * _POSIX_Semaphore_Manager_initialization - * - * This routine initializes all semaphore manager related data structures. - * - * Input parameters: - * maximum_semaphores - maximum configured semaphores - * - * Output parameters: NONE - */ - -void _POSIX_Semaphore_Manager_initialization( - unsigned32 maximum_semaphores -) -{ - _Objects_Initialize_information( - &_POSIX_Semaphore_Information, - OBJECTS_POSIX_SEMAPHORES, - TRUE, - maximum_semaphores, - sizeof( POSIX_Semaphore_Control ), - TRUE, - _POSIX_PATH_MAX, - FALSE - ); -} - -/*PAGE - * - * _POSIX_Semaphore_Create_support - */ - -int _POSIX_Semaphore_Create_support( - const char *name, - int pshared, - unsigned int value, - POSIX_Semaphore_Control **the_sem -) -{ - POSIX_Semaphore_Control *the_semaphore; - CORE_semaphore_Attributes *the_sem_attr; - - _Thread_Disable_dispatch(); - - the_semaphore = _POSIX_Semaphore_Allocate(); - - if ( !the_semaphore ) { - _Thread_Enable_dispatch(); - seterrno( ENOMEM ); - return -1; - } - - if ( pshared == PTHREAD_PROCESS_SHARED && - !( _Objects_MP_Allocate_and_open( &_POSIX_Semaphore_Information, 0, - the_semaphore->Object.id, FALSE ) ) ) { - _POSIX_Semaphore_Free( the_semaphore ); - _Thread_Enable_dispatch(); - seterrno( EAGAIN ); - return -1; - } - - the_semaphore->process_shared = pshared; - - if ( name ) { - the_semaphore->named = TRUE; - the_semaphore->open_count = 1; - the_semaphore->linked = TRUE; - } - else - the_semaphore->named = FALSE; - - the_sem_attr = &the_semaphore->Semaphore.Attributes; - - /* XXX - * - * Note should this be based on the current scheduling policy? - */ - - the_sem_attr->discipline = CORE_SEMAPHORE_DISCIPLINES_FIFO; - - _CORE_semaphore_Initialize( - &the_semaphore->Semaphore, - OBJECTS_POSIX_SEMAPHORES, - the_sem_attr, - value, - 0 /* XXX - proxy_extract_callout is unused */ - ); - - /* XXX - need Names to be a string!!! */ - _Objects_Open( - &_POSIX_Semaphore_Information, - &the_semaphore->Object, - (char *) name - ); - - *the_sem = the_semaphore; - - if ( pshared == PTHREAD_PROCESS_SHARED ) - _POSIX_Semaphore_MP_Send_process_packet( - POSIX_SEMAPHORE_MP_ANNOUNCE_CREATE, - the_semaphore->Object.id, - (char *) name, - 0 /* proxy id - Not used */ - ); - - _Thread_Enable_dispatch(); - return 0; -} - - -/*PAGE - * - * 11.2.1 Initialize an Unnamed Semaphore, P1003.1b-1993, p.219 - */ - -int sem_init( - sem_t *sem, - int pshared, - unsigned int value -) -{ - int status; - POSIX_Semaphore_Control *the_semaphore; - - status = _POSIX_Semaphore_Create_support( - NULL, - pshared, - value, - &the_semaphore - ); - - if ( status != -1 ) - *sem = the_semaphore->Object.id; - - return status; -} - -/*PAGE - * - * 11.2.2 Destroy an Unnamed Semaphore, P1003.1b-1993, p.220 - */ - -int sem_destroy( - sem_t *sem -) -{ - register POSIX_Semaphore_Control *the_semaphore; - Objects_Locations location; - - the_semaphore = _POSIX_Semaphore_Get( sem, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - /* - * Undefined operation on a named semaphore. - */ - - if ( the_semaphore->named == TRUE ) { - seterrno( EINVAL ); - return( -1 ); - } - - _Objects_Close( &_POSIX_Semaphore_Information, &the_semaphore->Object ); - - _CORE_semaphore_Flush( - &the_semaphore->Semaphore, - _POSIX_Semaphore_MP_Send_object_was_deleted, - -1 /* XXX should also seterrno -> EINVAL */ - ); - - _POSIX_Semaphore_Free( the_semaphore ); - - if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) { - - _Objects_MP_Close( - &_POSIX_Semaphore_Information, - the_semaphore->Object.id - ); - - _POSIX_Semaphore_MP_Send_process_packet( - POSIX_SEMAPHORE_MP_ANNOUNCE_DELETE, - the_semaphore->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.2.3 Initialize/Open a Named Semaphore, P1003.1b-1993, p.221 - * - * NOTE: When oflag is O_CREAT, then optional third and fourth - * parameters must be present. - */ - -sem_t *sem_open( - const char *name, - int oflag, - ... - /* mode_t mode, */ - /* unsigned int value */ -) -{ - va_list arg; - mode_t mode; - unsigned int value; - int status; - Objects_Id the_semaphore_id; - POSIX_Semaphore_Control *the_semaphore; - - - if ( oflag & O_CREAT ) { - va_start(arg, oflag); - mode = (mode_t) va_arg( arg, mode_t * ); - value = (unsigned int) va_arg( arg, unsigned int * ); - va_end(arg); - } - - status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id ); - - /* - * If the name to id translation worked, then the semaphore exists - * and we can just return a pointer to the id. Otherwise we may - * need to check to see if this is a "semaphore does not exist" - * or some other miscellaneous error on the name. - */ - - if ( status ) { - - if ( status == EINVAL ) { /* name -> ID translation failed */ - if ( !(oflag & O_CREAT) ) { /* willing to create it? */ - seterrno( ENOENT ); - return (sem_t *) -1; - } - /* we are willing to create it */ - } - seterrno( status ); /* some type of error */ - return (sem_t *) -1; - - } else { /* name -> ID translation succeeded */ - - if ( (oflag & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL) ) { - seterrno( EEXIST ); - return (sem_t *) -1; - } - - /* - * XXX In this case we need to do an ID->pointer conversion to - * check the mode. This is probably a good place for a subroutine. - */ - - the_semaphore->open_count += 1; - - return (sem_t *)&the_semaphore->Object.id; - - } - - /* XXX verify this comment... - * - * At this point, the semaphore does not exist and everything has been - * checked. We should go ahead and create a semaphore. - */ - - status = _POSIX_Semaphore_Create_support( - name, - TRUE, /* shared across processes */ - value, - &the_semaphore - ); - - if ( status == -1 ) - return (sem_t *) -1; - - return (sem_t *) &the_semaphore->Object.id; - -} - -/*PAGE - * - * _POSIX_Semaphore_Delete - */ - -void _POSIX_Semaphore_Delete( - POSIX_Semaphore_Control *the_semaphore -) -{ - if ( !the_semaphore->linked && !the_semaphore->open_count ) { - _POSIX_Semaphore_Free( the_semaphore ); - - if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) { - - _Objects_MP_Close( - &_POSIX_Semaphore_Information, - the_semaphore->Object.id - ); - - _POSIX_Semaphore_MP_Send_process_packet( - POSIX_SEMAPHORE_MP_ANNOUNCE_DELETE, - the_semaphore->Object.id, - 0, /* Not used */ - 0 /* Not used */ - ); - } - - } -} - -/*PAGE - * - * 11.2.4 Close a Named Semaphore, P1003.1b-1993, p.224 - */ - -int sem_close( - sem_t *sem -) -{ - register POSIX_Semaphore_Control *the_semaphore; - Objects_Locations location; - - the_semaphore = _POSIX_Semaphore_Get( sem, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - the_semaphore->open_count -= 1; - _POSIX_Semaphore_Delete( the_semaphore ); - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.2.5 Remove a Named Semaphore, P1003.1b-1993, p.225 - */ - -int sem_unlink( - const char *name -) -{ - int status; - register POSIX_Semaphore_Control *the_semaphore; - Objects_Id the_semaphore_id; - Objects_Locations location; - - status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id ); - - if ( !status ) { - seterrno( status ); - return -1; - } - - the_semaphore = _POSIX_Semaphore_Get( &the_semaphore_id, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - - if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) { - _Objects_MP_Close( - &_POSIX_Semaphore_Information, - the_semaphore->Object.id - ); - } - - the_semaphore->linked = FALSE; - - _POSIX_Semaphore_Delete( the_semaphore ); - - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * _POSIX_Semaphore_Wait_support - */ - -int _POSIX_Semaphore_Wait_support( - sem_t *sem, - boolean blocking, - Watchdog_Interval timeout -) -{ - register POSIX_Semaphore_Control *the_semaphore; - Objects_Locations location; - - the_semaphore = _POSIX_Semaphore_Get( sem, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - _CORE_semaphore_Seize( - &the_semaphore->Semaphore, - the_semaphore->Object.id, - blocking, - timeout - ); - _Thread_Enable_dispatch(); - return _Thread_Executing->Wait.return_code; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.2.6 Lock a Semaphore, P1003.1b-1993, p.226 - * - * NOTE: P1003.4b/D8 adds sem_timedwait(), p. 27 - */ - -int sem_wait( - sem_t *sem -) -{ - return _POSIX_Semaphore_Wait_support( sem, TRUE, THREAD_QUEUE_WAIT_FOREVER ); -} - -/*PAGE - * - * 11.2.6 Lock a Semaphore, P1003.1b-1993, p.226 - * - * NOTE: P1003.4b/D8 adds sem_timedwait(), p. 27 - */ - -int sem_trywait( - sem_t *sem -) -{ - return _POSIX_Semaphore_Wait_support( sem, FALSE, THREAD_QUEUE_WAIT_FOREVER ); -} - -/*PAGE - * - * 11.2.6 Lock a Semaphore, P1003.1b-1993, p.226 - * - * NOTE: P1003.4b/D8 adds sem_timedwait(), p. 27 - */ - -int sem_timedwait( - sem_t *sem, - const struct timespec *timeout -) -{ - return _POSIX_Semaphore_Wait_support( - sem, - TRUE, - _POSIX_Time_Spec_to_interval( timeout ) - ); -} - -/*PAGE - * - * 11.2.7 Unlock a Semaphore, P1003.1b-1993, p.227 - */ - -void POSIX_Semaphore_MP_support( - Thread_Control *the_thread, - Objects_Id id -) -{ - (void) POSIX_MP_NOT_IMPLEMENTED(); -} - - -int sem_post( - sem_t *sem -) -{ - register POSIX_Semaphore_Control *the_semaphore; - Objects_Locations location; - - the_semaphore = _POSIX_Semaphore_Get( sem, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - _CORE_semaphore_Surrender( - &the_semaphore->Semaphore, - the_semaphore->Object.id, - POSIX_Semaphore_MP_support - ); - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} - -/*PAGE - * - * 11.2.8 Get the Value of a Semaphore, P1003.1b-1993, p.229 - */ - -int sem_getvalue( - sem_t *sem, - int *sval -) -{ - register POSIX_Semaphore_Control *the_semaphore; - Objects_Locations location; - - the_semaphore = _POSIX_Semaphore_Get( sem, &location ); - switch ( location ) { - case OBJECTS_ERROR: - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_REMOTE: - _Thread_Dispatch(); - return POSIX_MP_NOT_IMPLEMENTED(); - seterrno( EINVAL ); - return( -1 ); - case OBJECTS_LOCAL: - *sval = _CORE_semaphore_Get_count( &the_semaphore->Semaphore ); - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} diff --git a/cpukit/posix/src/time.c b/cpukit/posix/src/time.c deleted file mode 100644 index 6c2faf65dc..0000000000 --- a/cpukit/posix/src/time.c +++ /dev/null @@ -1,195 +0,0 @@ -/* time.c - * - * $Id$ - */ - -#include <time.h> - -#include <rtems/system.h> -#include <rtems/score/tod.h> - -/* - * Seconds from January 1, 1970 to January 1, 1988. Used to account for - * differences between POSIX API and RTEMS core. - */ - -#define POSIX_TIME_SECONDS_1970_THROUGH_1988 \ - (((1987 - 1970 + 1) * TOD_SECONDS_PER_NON_LEAP_YEAR) + \ - (4 * TOD_SECONDS_PER_DAY)) - -/* - * 4.5.1 Get System Time, P1003.1b-1993, p. 91 - */ - -time_t time( - time_t *tloc -) -{ - time_t seconds_since_epoch; - - if ( !_TOD_Is_set() ) { - /* XXX set errno */ - return -1; - } - - /* - * Internally the RTEMS epoch is 1988. This must be taken into account. - */ - - seconds_since_epoch = _TOD_Seconds_since_epoch; - - seconds_since_epoch += POSIX_TIME_SECONDS_1970_THROUGH_1988; - - if ( tloc ) - *tloc = seconds_since_epoch; - - return seconds_since_epoch; -} - -#ifdef NOT_IMPLEMENTED_YET -/* - * 14.2.1 Clocks, P1003.1b-1993, p. 263 - */ - -int clock_settime( - clockid_t clock_id, - const struct timespec *tp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.1 Clocks, P1003.1b-1993, p. 263 - */ - -int clock_gettime( - clockid_t clock_id, - struct timespec *tp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.1 Clocks, P1003.1b-1993, p. 263 - */ - -int clock_getres( - clockid_t clock_id, - struct timespec *res -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.2 Create a Per-Process Timer, P1003.1b-1993, p. 264 - */ - -int timer_create( - clockid_t clock_id, - struct sigevent *evp, - timer_t *timerid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.3 Delete a Per_process Timer, P1003.1b-1993, p. 266 - */ - -int timer_delete( - timer_t timerid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267 - */ - -int timer_settime( - timer_t timerid, - int flags, - const struct itimerspec *value, - struct itimerspec *ovalue -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267 - */ - -int timer_gettime( - timer_t timerid, - struct itimerspec *value -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267 - */ - -int timer_getoverrun( - timer_t timerid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 14.2.5 High Resolution Sleep, P1003.1b-1993, p. 269 - */ - -int nanosleep( - const struct timespec *rqtp, - struct timespec *rmtp -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 20.1.3 Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 - */ - -int clock_getcpuclockid( - pid_t pid, - clockid_t *clock_id -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 58 - */ - -int clock_setenable_attr( - clockid_t clock_id, - int attr -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/* - * 20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 58 - */ - -int clock_getenable_attr( - clockid_t clock_id, - int *attr -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif diff --git a/cpukit/posix/src/types.c b/cpukit/posix/src/types.c deleted file mode 100644 index a3ba918a18..0000000000 --- a/cpukit/posix/src/types.c +++ /dev/null @@ -1,170 +0,0 @@ -/* types.c - * - * $Id$ - */ - -#include <sys/types.h> - -#include <rtems/system.h> - -#ifdef NOT_IMPLEMENTED_YET - -/*PAGE - * - * 4.1.1 Get Process and Parent Process IDs, P1003.1b-1993, p. 83 - */ - -pid_t getpid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.1.1 Get Process and Parent Process IDs, P1003.1b-1993, p. 83 - */ - -pid_t getppid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, - * P1003.1b-1993, p. 84 - */ - -uid_t getuid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, - * P1003.1b-1993, p. 84 - */ - -uid_t geteuid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, - * P1003.1b-1993, p. 84 - */ - -gid_t getgid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, - * P1003.1b-1993, p. 84 - */ - -gid_t getegid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.2 Set User and Group IDs, P1003.1b-1993, p. 84 - */ - -int setuid( - uid_t uid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.2 Set User and Group IDs, P1003.1b-1993, p. 84 - */ - -int setgid( - gid_t gid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.3 Get Supplementary IDs, P1003.1b-1993, p. 86 - */ - -int getgroups( - int gidsetsize, - gid_t grouplist[] -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.4 Get User Name, P1003.1b-1993, p. 87 - * - * NOTE: P1003.1c/D10, p. 49 adds getlogin_r(). - */ - -char *getlogin( void ) -{ - return (char *)POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.2.4 Get User Name, P1003.1b-1993, p. 87 - * - * NOTE: P1003.1c/D10, p. 49 adds getlogin_r(). - */ - -char *getlogin_r( void ) -{ - return (char *)POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.3.1 Get Process Group IDs, P1003.1b-1993, p. 89 - */ - -pid_t getpgrp( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.3.2 Create Session and Set Process Group ID, P1003.1b-1993, p. 88 - */ - -pid_t setsid( void ) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -/*PAGE - * - * 4.3.3 Set Process Group ID for Job Control, P1003.1b-1993, p. 89 - */ - -int setpgid( - pid_t pid, - pid_t pgid -) -{ - return POSIX_NOT_IMPLEMENTED(); -} - -#endif |