blob: 226c6942fea40889e166ba7d700781b7df39589f (
plain) (
tree)
|
|
/*
* RTEMS Task 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.
*
* $Id$
*/
#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_resume
*
* This directive will remove the specified thread
* from the suspended state.
*
* Input parameters:
* id - thread id
*
* Output parameters:
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_task_resume(
Objects_Id id
)
{
register Thread_Control *the_thread;
Objects_Locations location;
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_REMOTE:
#if defined(RTEMS_MULTIPROCESSING)
return _RTEMS_tasks_MP_Send_request_packet(
RTEMS_TASKS_MP_RESUME_REQUEST,
id,
0, /* Not used */
0, /* Not used */
0 /* Not used */
);
#endif
case OBJECTS_ERROR:
return RTEMS_INVALID_ID;
case OBJECTS_LOCAL:
if ( _States_Is_suspended( the_thread->current_state ) ) {
_Thread_Resume( the_thread, TRUE );
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
_Thread_Enable_dispatch();
return RTEMS_INCORRECT_STATE;
}
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
|