/* Test that pthread_mutex_timedlock properly times out.

   Copyright (C) 2016-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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 <pthread.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <errno.h>

pthread_mutex_t mutex;

static void *

thr (void *arg)

{

  struct timespec abstime;

  clock_gettime (CLOCK_REALTIME, &abstime);

  abstime.tv_sec += 1;

  int ret = pthread_mutex_timedlock (&mutex, &abstime);

  if (ret == 0)

    {

      puts ("mutex_timedlock didn't fail");

      exit (1);

    }

  if (ret != ETIMEDOUT)

    {

      printf ("mutex_timedlock failed: %s\n", strerror (ret));

      exit (1);

    }

  return 0;

}

static int

do_test (void)

{

  pthread_t pt;

  pthread_mutexattr_t ma;

  if (pthread_mutexattr_init (&ma) != 0)

    {

      puts ("mutexattr_init failed");

      return 0;

    }

  if (pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP) != 0)

    {

      puts ("mutexattr_setrobust failed");

      return 1;

    }

  if (pthread_mutex_init (&mutex, &ma))

    {

      puts ("mutex_init failed");

      return 1;

    }

  if (pthread_mutexattr_destroy (&ma))

    {

      puts ("mutexattr_destroy failed");

      return 1;

    }

  if (pthread_mutex_lock (&mutex))

    {

      puts ("mutex_lock failed");

      return 1;

    }

  if (pthread_create (&pt, NULL, thr, NULL))

    {

      puts ("pthread_create failed");

      return 1;

    }

  if (pthread_join (pt, NULL))

    {

      puts ("pthread_join failed");

      return 1;

    }

  if (pthread_mutex_unlock (&mutex))

    {

      puts ("mutex_unlock failed");

      return 1;

    }

  if (pthread_mutex_destroy (&mutex))

    {

      puts ("mutex_destroy failed");

      return 1;

    }

  return 0;

}

#define TEST_FUNCTION do_test ()

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