/* 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 <fcntl.h>

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

static pthread_barrier_t b;

static void

cleanup (void *arg)

{

  fputs ("in cleanup\n", stdout);

}

static void *

tf (void *arg)

{

  int fd = open ("/dev/null", O_RDWR);

  if (fd == -1)

    {

      puts ("cannot open /dev/null");

      exit (1);

    }

  FILE *fp = fdopen (fd, "w");

  if (fp == NULL)

    {

      puts ("fdopen failed");

      exit (1);

    }

  pthread_cleanup_push (cleanup, NULL);

  int e = pthread_barrier_wait (&b);

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

    {

      puts ("barrier_wait failed");

      exit (1);

    }

  while (1)

    /* fprintf() uses write() which is a cancallation point.  */

    fprintf (fp, "foo");

  pthread_cleanup_pop (0);

  return NULL;

}

static int

do_test (void)

{

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

    {

      puts ("barrier_init failed");

      exit (1);

    }

  pthread_t th;

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

    {

      puts ("create failed");

      return 1;

    }

  int e = pthread_barrier_wait (&b);

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

    {

      puts ("barrier_wait failed");

      exit (1);

    }

  sleep (1);

  puts ("cancel now");

  if (pthread_cancel (th) != 0)

    {

      puts ("cancel failed");

      exit (1);

    }

  puts ("waiting for the child");

  void *r;

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

    {

      puts ("join failed");

      exit (1);

    }

  if (r != PTHREAD_CANCELED)

    {

      puts ("thread wasn't canceled");

      exit (1);

    }

  return 0;

}

#define TEST_FUNCTION do_test ()

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