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[/] [or1k/] [trunk/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [msgqsubmit.c] - Rev 208
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/* * Message Queue Manager * * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: msgqsubmit.c,v 1.2 2001-09-27 11:59:19 chris Exp $ */ #include <rtems/system.h> #include <rtems/score/sysstate.h> #include <rtems/score/chain.h> #include <rtems/score/isr.h> #include <rtems/score/coremsg.h> #include <rtems/score/object.h> #include <rtems/score/states.h> #include <rtems/score/thread.h> #include <rtems/score/wkspace.h> #if defined(RTEMS_MULTIPROCESSING) #include <rtems/score/mpci.h> #endif #include <rtems/rtems/status.h> #include <rtems/rtems/attr.h> #include <rtems/rtems/message.h> #include <rtems/rtems/options.h> #include <rtems/rtems/support.h> /*PAGE * * _Message_queue_Submit * * This routine implements the directives rtems_message_queue_send * and rtems_message_queue_urgent. It processes a message that is * to be submitted to the designated message queue. The message will * either be processed as a send send message which it will be inserted * at the rear of the queue or it will be processed as an urgent message * which will be inserted at the front of the queue. * * Input parameters: * id - pointer to message queue * buffer - pointer to message buffer * size - size in bytes of message to send * submit_type - send or urgent message * * Output parameters: * RTEMS_SUCCESSFUL - if successful * error code - if unsuccessful */ rtems_status_code _Message_queue_Submit( Objects_Id id, void *buffer, unsigned32 size, Message_queue_Submit_types submit_type ) { register Message_queue_Control *the_message_queue; Objects_Locations location; the_message_queue = _Message_queue_Get( id, &location ); switch ( location ) { case OBJECTS_REMOTE: #if defined(RTEMS_MULTIPROCESSING) switch ( submit_type ) { case MESSAGE_QUEUE_SEND_REQUEST: return _Message_queue_MP_Send_request_packet( MESSAGE_QUEUE_MP_SEND_REQUEST, id, buffer, &size, 0, /* option_set */ MPCI_DEFAULT_TIMEOUT ); case MESSAGE_QUEUE_URGENT_REQUEST: return _Message_queue_MP_Send_request_packet( MESSAGE_QUEUE_MP_URGENT_REQUEST, id, buffer, &size, 0, /* option_set */ MPCI_DEFAULT_TIMEOUT ); } break; #endif case OBJECTS_ERROR: return RTEMS_INVALID_ID; case OBJECTS_LOCAL: switch ( submit_type ) { case MESSAGE_QUEUE_SEND_REQUEST: _CORE_message_queue_Send( &the_message_queue->message_queue, buffer, size, id, #if defined(RTEMS_MULTIPROCESSING) _Message_queue_Core_message_queue_mp_support, #else NULL, #endif FALSE, /* sender does not block */ 0 /* no timeout */ ); break; case MESSAGE_QUEUE_URGENT_REQUEST: _CORE_message_queue_Urgent( &the_message_queue->message_queue, buffer, size, id, #if defined(RTEMS_MULTIPROCESSING) _Message_queue_Core_message_queue_mp_support, #else NULL, #endif FALSE, /* sender does not block */ 0 /* no timeout */ ); break; default: return RTEMS_INTERNAL_ERROR; /* should never get here */ } _Thread_Enable_dispatch(); return _Message_queue_Translate_core_message_queue_return_code( _Thread_Executing->Wait.return_code ); } return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ }
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