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/*
* RTEMS Task Manager
*
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/rtems/modes.h>
#include <rtems/score/object.h>
#include <rtems/score/stack.h>
#include <rtems/score/states.h>
#include <rtems/rtems/tasks.h>
#include <rtems/score/thread.h>
#include <rtems/score/threadq.h>
#include <rtems/score/tod.h>
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/apiext.h>
#include <rtems/score/sysstate.h>
/*PAGE
*
* rtems_task_delete
*
* This directive allows a thread to delete itself or the thread
* identified in the id field. The executive halts execution
* of the thread and frees the thread control block.
*
* Input parameters:
* id - thread id
*
* Output parameters:
* nothing - if id is the requesting thread (always succeeds)
* RTEMS_SUCCESSFUL - if successful and id is
* not the requesting thread
* error code - if unsuccessful
*/
rtems_status_code rtems_task_delete(
Objects_Id id
)
{
register Thread_Control *the_thread;
Objects_Locations location;
Objects_Information *the_information;
the_thread = _Thread_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:
the_information = _Objects_Get_information( the_thread->Object.id );
if ( !the_information ) {
_Thread_Enable_dispatch();
return RTEMS_INVALID_ID;
/* This should never happen if _Thread_Get() works right */
}
_Thread_Close( the_information, the_thread );
_RTEMS_tasks_Free( the_thread );
#if defined(RTEMS_MULTIPROCESSING)
if ( the_thread->is_global ) {
_Objects_MP_Close( &_RTEMS_tasks_Information, the_thread->Object.id );
_RTEMS_tasks_MP_Send_process_packet(
RTEMS_TASKS_MP_ANNOUNCE_DELETE,
the_thread->Object.id,
0 /* Not used */
);
}
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
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