blob: 77ccf8c238ec954ce078e2c3211d071030b228d5 (
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
65
66
67
68
69
70
71
72
|
/**
* @file
*
* @brief Canceling Execution of a Thread
* @ingroup POSIXAPI
*/
/*
* 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 <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/score/chain.h>
#include <rtems/score/isr.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/cancel.h>
#include <rtems/posix/pthread.h>
#include <rtems/posix/threadsup.h>
/*
* 18.2.1 Canceling Execution of a Thread, P1003.1c/Draft 10, p. 181
*/
int pthread_cancel(
pthread_t thread
)
{
Thread_Control *the_thread;
POSIX_API_Control *thread_support;
Objects_Locations location;
/*
* Don't even think about deleting a resource from an ISR.
*/
if ( _ISR_Is_in_progress() )
return EPROTO;
the_thread = _Thread_Get( thread, &location );
switch ( location ) {
case OBJECTS_LOCAL:
thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ];
thread_support->cancelation_requested = 1;
/* This enables dispatch implicitly */
_POSIX_Thread_Evaluate_cancellation_and_enable_dispatch( the_thread );
return 0;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
return EINVAL;
}
|
