text: /* Copyright (C) 2003 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
     Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, write to the Free
     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     02111-1307 USA.  */
  
  #include <errno.h>
  #include <pthread.h>
  #include <semaphore.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  
  
  static pthread_barrier_t bar;
  static sem_t sem;
  
  
  static void
  cleanup (void *arg)
  {
    static int ncall;
  
    if (++ncall != 1)
      {
        puts ("second call to cleanup");
        exit (1);
      }
  
    printf ("cleanup call #%d\n", ncall);
  }
  
  
  static void *
  tf (void *arg)
  {
    pthread_cleanup_push (cleanup, NULL);
  
    int e = pthread_barrier_wait (&bar);
    if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
      {
        puts ("tf: 1st barrier_wait failed");
        exit (1);
      }
  
    /* This call should block and be cancelable.  */
    sem_wait (&sem);
  
    pthread_cleanup_pop (0);
  
    puts ("sem_wait returned");
  
    return NULL;
  }
  
  
  static int
  do_test (void)
  {
    pthread_t th;
  
    if (pthread_barrier_init (&bar, NULL, 2) != 0)
      {
        puts ("barrier_init failed");
        exit (1);
      }
  
    if (sem_init (&sem, 0, 0) != 0)
      {
        puts ("sem_init failed");
        exit (1);
      }
  
    if (pthread_create (&th, NULL, tf, NULL) != 0)
      {
        puts ("create failed");
        exit (1);
      }
  
    int e = pthread_barrier_wait (&bar);
    if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
      {
        puts ("1st barrier_wait failed");
        exit (1);
      }
  
    /* Give the child a chance to go to sleep in sem_wait.  */
    sleep (1);
  
    /* Check whether cancellation is honored when waiting in sem_wait.  */
    if (pthread_cancel (th) != 0)
      {
        puts ("1st cancel failed");
        exit (1);
      }
  
    void *r;
    if (pthread_join (th, &r) != 0)
      {
        puts ("join failed");
        exit (1);
      }
  
    if (r != PTHREAD_CANCELED)
      {
        puts ("thread not canceled");
        exit (1);
      }
  
    return 0;
  }
  
  
  #define TEST_FUNCTION do_test ()
  #include "../test-skeleton.c"
  