source: rtems/cpukit/posix/src/cleanuppop.c @ e5b78e2

4.104.114.84.95
Last change on this file since e5b78e2 was e5b78e2, checked in by Joel Sherrill <joel.sherrill@…>, on Dec 12, 2002 at 1:04:18 AM

2002-12-11 Vladimir Nesic <vnesic@…>

  • src/cancelrun.c, src/cleanuppop.c: Get the last real node not the permanent null last node.
  • Property mode set to 100644
File size: 1.1 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 *  18.2.3.1 Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184
24 */
25
26void pthread_cleanup_pop(
27  int    execute
28)
29{
30  POSIX_Cancel_Handler_control      *handler;
31  Chain_Control                     *handler_stack;
32  POSIX_API_Control                 *thread_support;
33  ISR_Level                          level;
34 
35  thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
36 
37  handler_stack = &thread_support->Cancellation_Handlers;
38
39  if ( _Chain_Is_empty( handler_stack ) )
40    return;
41 
42  _ISR_Disable( level );
43    handler = (POSIX_Cancel_Handler_control *) 
44        _Chain_Tail( handler_stack )->previous;
45    _Chain_Extract_unprotected( &handler->Node );
46  _ISR_Enable( level );
47
48  if ( execute )
49    (*handler->routine)( handler->arg );
50 
51  _Workspace_Free( handler );
52}
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