/* Copyright (C) 2003-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <semaphore.h>

#include <signal.h>

#include <stdio.h>

#include <unistd.h>

static void

handler (int sig)

{

  struct sigaction sa;

  sa.sa_handler = SIG_DFL;

  sa.sa_flags = 0;

  sigemptyset (&sa.sa_mask);

  sigaction (SIGALRM, &sa, NULL);

  /* Rearm the timer.  */

  alarm (1);

}

static int

do_test (void)

{

  sem_t s;

  struct sigaction sa;

  sa.sa_handler = handler;

  sa.sa_flags = 0;

  sigemptyset (&sa.sa_mask);

  sigaction (SIGALRM, &sa, NULL);

  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);

  int res = sem_wait (&s);

  if (res == 0)

    {

      puts ("wait succeeded");

      return 1;

    }

  if (res != -1 || errno != EINTR)

    {

      puts ("wait didn't fail with EINTR");

      return 1;

    }

  return 0;

}

#define TIMEOUT 3

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"