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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [msgqdelete.c] - Rev 173
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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: msgqdelete.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 * * rtems_message_queue_delete * * This directive allows a thread to delete the message queue specified * by the given queue identifier. * * Input parameters: * id - queue id * * Output parameters: * RTEMS_SUCCESSFUL - if successful * error code - if unsuccessful */ rtems_status_code rtems_message_queue_delete( Objects_Id id ) { register Message_queue_Control *the_message_queue; Objects_Locations location; the_message_queue = _Message_queue_Get( id, &location ); switch ( location ) { case OBJECTS_REMOTE: #if defined(RTEMS_MULTIPROCESSING) _Thread_Dispatch(); return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; #endif case OBJECTS_ERROR: return RTEMS_INVALID_ID; case OBJECTS_LOCAL: _Objects_Close( &_Message_queue_Information, &the_message_queue->Object ); _CORE_message_queue_Close( &the_message_queue->message_queue, #if defined(RTEMS_MULTIPROCESSING) _Message_queue_MP_Send_object_was_deleted, #else NULL, #endif CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED ); _Message_queue_Free( the_message_queue ); #if defined(RTEMS_MULTIPROCESSING) if ( _Attributes_Is_global( the_message_queue->attribute_set ) ) { _Objects_MP_Close( &_Message_queue_Information, the_message_queue->Object.id ); _Message_queue_MP_Send_process_packet( MESSAGE_QUEUE_MP_ANNOUNCE_DELETE, the_message_queue->Object.id, 0, /* Not used */ 0 ); } #endif _Thread_Enable_dispatch(); return RTEMS_SUCCESSFUL; } return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ }