source: vendor/glibc-tests/glibc/nptl/tst-sem2.c

/* Copyright (C) 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   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 <semaphore.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>


static int
do_test (void)
{
  sem_t s;

  if (sem_init (&s, 0, 0) == -1)
    {
      puts ("init failed");
      return 1;
    }

  /* Set an alarm for 1 second.  The wrapper will expect this.  */
  alarm (1);

  if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
    {
      puts ("wait failed");
      return 1;
    }

  /* We should never get here.  */
  puts ("wait succeeded");
  return 1;
}

#define EXPECTED_SIGNAL SIGALRM
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"