/* Copyright (C) 2002-2018 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, see

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

#include <errno.h>

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

#include <sys/time.h>

static pthread_mutex_t mut;

static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;

static int

do_test (void)

{

  pthread_mutexattr_t ma;

  int err;

  struct timespec ts;

  struct timeval tv;

  if (pthread_mutexattr_init (&ma) != 0)

    {

      puts ("mutexattr_init failed");

      exit (1);

    }

  if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0)

    {

      puts ("mutexattr_settype failed");

      exit (1);

    }

  if (pthread_mutex_init (&mut, &ma) != 0)

    {

      puts ("mutex_init failed");

      exit (1);

    }

  /* Get the mutex.  */

  if (pthread_mutex_lock (&mut) != 0)

    {

      puts ("mutex_lock failed");

      exit (1);

    }

  /* Waiting for the condition will fail.  But we want the timeout here.  */

  if (gettimeofday (&tv, NULL) != 0)

    {

      puts ("gettimeofday failed");

      exit (1);

    }

  TIMEVAL_TO_TIMESPEC (&tv, &ts);

  ts.tv_nsec += 500000000;

  if (ts.tv_nsec >= 1000000000)

    {

      ts.tv_nsec -= 1000000000;

      ++ts.tv_sec;

    }

  err = pthread_cond_timedwait (&cond, &mut, &ts);

  if (err == 0)

    {

      /* This could in theory happen but here without any signal and

	 additional waiter it should not.  */

      puts ("cond_timedwait succeeded");

      exit (1);

    }

  else if (err != ETIMEDOUT)

    {

      printf ("cond_timedwait returned with %s\n", strerror (err));

      exit (1);

    }

  err = pthread_mutex_unlock (&mut;;

  if (err != 0)

    {

      printf ("mutex_unlock failed: %s\n", strerror (err));

      exit (1);

    }

  return 0;

}

#define TEST_FUNCTION do_test ()

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