blob: 82866f2af2d18d95f2d793e355bb8ccc0876d0e1 (
plain) (
tree)
|
|
/**
* @file
*
* @brief RTEMS Delete Task
* @ingroup ClassicTasks
*/
/*
* COPYRIGHT (c) 1989-2008.
* 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.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/tasksimpl.h>
#include <rtems/score/apimutex.h>
#include <rtems/score/threadimpl.h>
#include <rtems/config.h>
rtems_status_code rtems_task_delete(
rtems_id id
)
{
register Thread_Control *the_thread;
Objects_Locations location;
Objects_Information *the_information;
#if defined( RTEMS_SMP )
if ( rtems_configuration_is_smp_enabled() ) {
return RTEMS_NOT_IMPLEMENTED;
}
#endif
_RTEMS_Lock_allocator();
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
the_information = _Objects_Get_information_id( the_thread->Object.id );
#if defined(RTEMS_DEBUG)
if ( !the_information ) {
_Objects_Put( &the_thread->Object );
return RTEMS_INVALID_ID;
/* This should never happen if _Thread_Get() works right */
}
#endif
#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_Close( the_information, the_thread );
_RTEMS_tasks_Free( the_thread );
/* FIXME: Lock order reversal */
_RTEMS_Unlock_allocator();
_Objects_Put( &the_thread->Object );
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_RTEMS_Unlock_allocator();
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
_RTEMS_Unlock_allocator();
return RTEMS_INVALID_ID;
}
|