blob: 09349c2da983689e569d100cb3ea80de21b8b9af (
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
60
61
62
63
64
|
/**
* @file
*
* @ingroup RTEMSImplClassicTask
*
* @brief This source file contains the implementation of
* rtems_task_get_affinity().
*/
/*
* COPYRIGHT (c) 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/tasks.h>
#include <rtems/rtems/statusimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/schedulerimpl.h>
rtems_status_code rtems_task_get_affinity(
rtems_id id,
size_t cpusetsize,
cpu_set_t *cpuset
)
{
Thread_Control *the_thread;
ISR_lock_Context lock_context;
Status_Control status;
if ( cpuset == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
the_thread = _Thread_Get( id, &lock_context );
if ( the_thread == NULL ) {
#if defined(RTEMS_MULTIPROCESSING)
if ( _Thread_MP_Is_remote( id ) ) {
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
}
#endif
return RTEMS_INVALID_ID;
}
_Thread_State_acquire_critical( the_thread, &lock_context );
status = _Scheduler_Get_affinity(
the_thread,
cpusetsize,
cpuset
);
_Thread_State_release( the_thread, &lock_context );
return _Status_Get( status );
}
|