/* 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 <sys/time.h>

static pthread_cond_t c = PTHREAD_COND_INITIALIZER;

static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;

static pthread_barrier_t b;

static void *

tf (void *a)

{

  /* Block SIGUSR1.  */

  sigset_t ss;

  sigemptyset (&ss);

  sigaddset (&ss, SIGUSR1);

  if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)

    {

      puts ("child: sigmask failed");

      exit (1);

    }

  if (pthread_mutex_lock (&m) != 0)

    {

      puts ("child: mutex_lock failed");

      exit (1);

    }

  int e = pthread_barrier_wait (&b);

  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)

    {

      puts ("child: barrier_wait failed");

      exit (1);

    }

  /* Compute timeout.  */

  struct timeval tv;

  (void) gettimeofday (&tv, NULL);

  struct timespec ts;

  TIMEVAL_TO_TIMESPEC (&tv, &ts);

  /* Timeout: 1sec.  */

  ts.tv_sec += 1;

  /* This call should never return.  */

  if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)

    {

      puts ("cond_timedwait didn't time out");

      exit (1);

    }

  return NULL;

}

int

do_test (void)

{

  pthread_t th;

  if (pthread_barrier_init (&b, NULL, 2) != 0)

    {

      puts ("barrier_init failed");

      exit (1);

    }

  if (pthread_create (&th, NULL, tf, NULL) != 0)

    {

      puts ("create failed");

      exit (1);

    }

  int e = pthread_barrier_wait (&b);

  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)

    {

      puts ("barrier_wait failed");

      exit (1);

    }

  if (pthread_mutex_lock (&m) != 0)

    {

      puts ("mutex_lock failed");

      exit (1);

    }

  /* Send the thread a signal which it has blocked.  */

  if (pthread_kill (th, SIGUSR1) != 0)

    {

      puts ("kill failed");

      exit (1);

    }

  if (pthread_mutex_unlock (&m) != 0)

    {

      puts ("mutex_unlock failed");

      exit (1);

    }

  void *r;

  if (pthread_join (th, &r) != 0)

    {

      puts ("join failed");

      exit (1);

    }

  if (r != NULL)

    {

      puts ("return value wrong");

      exit (1);

    }

  return 0;

}

#define TIMEOUT 5

#define TEST_FUNCTION do_test ()

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