source: rtems/c/src/exec/posix/src/cancelrun.c @ f845e96

4.104.114.84.95
Last change on this file since f845e96 was f845e96, checked in by Joel Sherrill <joel.sherrill@…>, on Jul 5, 2002 at 6:13:18 PM

2002-07-05 Joel Sherrill <joel@…>

  • include/rtems/posix/cancel.h, src/cancel.c, src/cancelrun.c, src/mqueue.c, src/pthread.c, src/semaphore.c, src/setcancelstate.c, src/setcanceltype.c, src/testcancel.c: Per PR164, corrected the behavior of thread cancellation and did some cleanup as a side-effect.
  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 *  $Id$
3 */
4
5#if HAVE_CONFIG_H
6#include "config.h"
7#endif
8
9#include <pthread.h>
10#include <errno.h>
11
12#include <rtems/system.h>
13#include <rtems/score/chain.h>
14#include <rtems/score/isr.h>
15#include <rtems/score/thread.h>
16#include <rtems/score/wkspace.h>
17#include <rtems/posix/cancel.h>
18#include <rtems/posix/pthread.h>
19#include <rtems/posix/threadsup.h>
20
21/*PAGE
22 *
23 *  _POSIX_Threads_cancel_run
24 *
25 */
26
27#if !defined(PTHREAD_CANCELED)
28#warning "PTHREAD_CANCELED NOT DEFINED -- patch newlib"
29#define PTHREAD_CANCELED ((void *) -1)
30#endif
31
32void _POSIX_Threads_cancel_run( 
33  Thread_Control *the_thread
34)
35{
36  POSIX_Cancel_Handler_control      *handler;
37  Chain_Control                     *handler_stack;
38  POSIX_API_Control                 *thread_support;
39  ISR_Level                          level;
40 
41  thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ];
42 
43  handler_stack = &thread_support->Cancellation_Handlers;
44 
45  thread_support->cancelability_state = PTHREAD_CANCEL_DISABLE;
46
47  while ( !_Chain_Is_empty( handler_stack ) ) {
48    _ISR_Disable( level );
49      handler = (POSIX_Cancel_Handler_control *) _Chain_Tail( handler_stack );
50      _Chain_Extract_unprotected( &handler->Node );
51    _ISR_Enable( level );
52 
53    (*handler->routine)( handler->arg );
54
55    _Workspace_Free( handler );
56  }
57
58  /* Now we can delete the thread */
59
60  the_thread->Wait.return_argument = (unsigned32 *)PTHREAD_CANCELED;
61  _Thread_Close(
62    _Objects_Get_information( the_thread->Object.id ),
63    the_thread
64  );
65  _POSIX_Threads_Free( the_thread );
66
67}
Note: See TracBrowser for help on using the repository browser.