/* 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 <pthread.h>

#include <signal.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/time.h>

static int do_test (void);

#define TEST_FUNCTION do_test ()

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

#include "eintr.c"

static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;

static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;

static void *

tf1 (void *arg)

{

  struct timespec ts;

  struct timeval tv;

  gettimeofday (&tv, NULL);

  TIMEVAL_TO_TIMESPEC (&tv, &ts);

  ts.tv_sec += 10000;

  /* This call must never return.  */

  int e = pthread_mutex_timedlock (&m1, &ts);

  char buf[100];

  printf ("tf1: mutex_timedlock returned: %s\n",

	  strerror_r (e, buf, sizeof (buf)));

  exit (1);

}

static void *

tf2 (void *arg)

{

  while (1)

    {

      int e = pthread_mutex_lock (&m2;;

      if (e != 0)

	{

	  puts ("tf2: mutex_lock failed");

	  exit (1);

	}

      e = pthread_mutex_unlock (&m2;;

      if (e != 0)

	{

	  puts ("tf2: mutex_unlock failed");

	  exit (1);

	}

      struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };

      nanosleep (&ts, NULL);

    }

}

static int

do_test (void)

{

  if (pthread_mutex_lock (&m1) != 0)

    {

      puts ("mutex_lock failed");

      exit (1);

    }

  setup_eintr (SIGUSR1, NULL);

  pthread_t th;

  char buf[100];

  int e = pthread_create (&th, NULL, tf1, NULL);

  if (e != 0)

    {

      printf ("main: 1st pthread_create failed: %s\n",

	      strerror_r (e, buf, sizeof (buf)));

      exit (1);

    }

  e = pthread_create (&th, NULL, tf2, NULL);

  if (e != 0)

    {

      printf ("main: 2nd pthread_create failed: %s\n",

	      strerror_r (e, buf, sizeof (buf)));

      exit (1);

    }

  delayed_exit (3);

  /* This call must never return.  */

  e = pthread_mutex_lock (&m1;;

  printf ("main: mutex_lock returned: %s\n",

	  strerror_r (e, buf, sizeof (buf)));

  return 1;

}