forked from Imagelibrary/rtems
* posix/include/rtems/posix/threadsup.h, posix/src/cancel.c, posix/src/canceleval.c: Make psxcancel run again. _POSIX_Thread_Exit() can be called on running thread or another thread when it is cancelled.
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#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 = _POSIX_Threads_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;
|
|
}
|