blob: f8c43a73f1d400d0cc6b1c369763b5e65e38f75d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/**
* @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;
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( !_States_Is_suspended( the_thread->current_state ) ) {
_Thread_Suspend( the_thread );
_Objects_Put( &the_thread->Object );
return RTEMS_SUCCESSFUL;
}
_Objects_Put( &the_thread->Object );
return RTEMS_ALREADY_SUSPENDED;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
return _RTEMS_tasks_MP_Send_request_packet(
RTEMS_TASKS_MP_SUSPEND_REQUEST,
id,
0, /* Not used */
0, /* Not used */
0 /* Not used */
);
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
|