/* Copyright (C) 2003-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@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 <stdbool.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

#include <sys/time.h>

typedef struct

  {

    pthread_cond_t cond;

    pthread_mutex_t lock;

    pthread_t h;

  } T;

static volatile bool done;

static void *

tf (void *arg)

{

  puts ("child created");

  if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0

      || pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)

    {

      puts ("cannot set cancellation options");

      exit (1);

    }

  T *t = (T *) arg;

  if (pthread_mutex_lock (&t->lock) != 0)

    {

      puts ("child: lock failed");

      exit (1);

    }

  done = true;

  if (pthread_cond_signal (&t->cond) != 0)

    {

      puts ("child: cond_signal failed");

      exit (1);

    }

  if (pthread_cond_wait (&t->cond, &t->lock) != 0)

    {

      puts ("child: cond_wait failed");

      exit (1);

    }

  if (pthread_mutex_unlock (&t->lock) != 0)

    {

      puts ("child: unlock failed");

      exit (1);

    }

  return NULL;

}

static int

do_test (void)

{

  int i;

#define N 100

  T *t[N];

  for (i = 0; i < N; ++i)

    {

      printf ("round %d\n", i);

      t[i] = (T *) malloc (sizeof (T));

      if (t[i] == NULL)

	{

	  puts ("out of memory");

	  exit (1);

	}

      if (pthread_mutex_init (&t[i]->lock, NULL) != 0

	  || pthread_cond_init (&t[i]->cond, NULL) != 0)

	{

	  puts ("an _init function failed");

	  exit (1);

	}

      if (pthread_mutex_lock (&t[i]->lock) != 0)

	{

	  puts ("initial mutex_lock failed");

	  exit (1);

	}

      done = false;

      if (pthread_create (&t[i]->h, NULL, tf, t[i]) != 0)

	{

	  puts ("pthread_create failed");

	  exit (1);

	}

      do

	if (pthread_cond_wait (&t[i]->cond, &t[i]->lock) != 0)

	  {

	    puts ("cond_wait failed");

	    exit (1);

	  }

      while (! done);

      /* Release the lock since the cancel handler will get it.  */

      if (pthread_mutex_unlock (&t[i]->lock) != 0)

	{

	  puts ("mutex_unlock failed");

	  exit (1);

	}

      if (pthread_cancel (t[i]->h) != 0)

	{

	  puts ("cancel failed");

	  exit (1);

	}

      puts ("parent: joining now");

      void *result;

      if (pthread_join (t[i]->h, &result) != 0)

	{

	  puts ("join failed");

	  exit (1);

	}

      if (result != PTHREAD_CANCELED)

	{

	  puts ("result != PTHREAD_CANCELED");

	  exit (1);

	}

    }

  for (i = 0; i < N; ++i)

    free (t[i]);

  return 0;

}

#define TEST_FUNCTION do_test ()

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