/* 
 * mutex6.c
 *
 *
 * Pthreads-win32 - POSIX Threads Library for Win32
 * Copyright (C) 1998 Ben Elliston and Ross Johnson
 * Copyright (C) 1999,2000,2001 Ross Johnson
 *
 * Contact Email: rpj@ise.canberra.edu.au
 *
 * This 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.
 *
 * This 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * --------------------------------------------------------------------------
 *
 * Test the default (type not set) mutex type.
 * Should be the same as PTHREAD_MUTEX_NORMAL.
 * Thread locks mutex twice (recursive lock).
 * Locking thread should deadlock on second attempt.
 *
 * Depends on API functions: 
 *	pthread_mutex_lock()
 *	pthread_mutex_trylock()
 *	pthread_mutex_unlock()
 */

#include "test.h"

static int lockCount = 0;

static pthread_mutex_t mutex;

void * locker(void * arg)
{
  assert(pthread_mutex_lock(&mutex) == 0);
  lockCount++;
  assert(pthread_mutex_lock(&mutex) != 0);
  lockCount++;
  Sleep(1000);
  assert(pthread_mutex_unlock(&mutex) == 0);
  assert(pthread_mutex_unlock(&mutex) == 0);

  return 0;
}
 
int
main()
{
  pthread_t t;

  assert(pthread_mutex_init(&mutex, NULL) == 0);

  assert(pthread_create(&t, NULL, locker, NULL) == 0);

  Sleep(2000);

  assert(lockCount == 1);

  exit(0);

  /* Never reached */
  return 0;
}