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/**
* @file
*
* @brief RTEMS Suspend Task
* @ingroup ClassicTasks
*/
/*
* COPYRIGHT (c) 1989-2014.
* 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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/tasksimpl.h>
#include <rtems/score/threadimpl.h>
rtems_status_code rtems_task_suspend(
rtems_id id
)
{
Thread_Control *the_thread;
Objects_Locations location;
States_Control previous_state;
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
previous_state = _Thread_Set_state( the_thread, STATES_SUSPENDED );
_Objects_Put( &the_thread->Object );
return _States_Is_suspended( previous_state ) ?
RTEMS_ALREADY_SUSPENDED : RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
return _RTEMS_tasks_MP_Send_request_packet(
RTEMS_TASKS_MP_SUSPEND_REQUEST,
id,
0 /* Not used */
);
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
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