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Diffstat (limited to 'cpukit/rtems/src/msgmp.c')
-rw-r--r-- | cpukit/rtems/src/msgmp.c | 454 |
1 files changed, 0 insertions, 454 deletions
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 */ |