/* 
 * rwlock4_t.c
 *
 *
 * --------------------------------------------------------------------------
 *
 * --------------------------------------------------------------------------
 *
 *	Pthreads-win32 - POSIX Threads Library for Win32
 *	Copyright(C) 1998 John E. Bossom
 *	Copyright(C) 1999,2002 Pthreads-win32 contributors
 * 
 *	Contact Email: rpj@ise.canberra.edu.au
 * 
 *	The current list of contributors is contained
 *	in the file CONTRIBUTORS included with the source
 *	code distribution. The list can also be seen at the
 *	following World Wide Web location:
 *	http://sources.redhat.com/pthreads-win32/contributors.html
 * 
 *	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 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 in the file COPYING.LIB;
 *	if not, write to the Free Software Foundation, Inc.,
 *	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 *
 * --------------------------------------------------------------------------
 *
 * Declare a static rwlock object, timed-rdlock it, trywrlock it, 
 * and then unlock it again.
 *
 * Depends on API functions: 
 *	pthread_rwlock_timedrdlock()
 *	pthread_rwlock_trywrlock()
 *	pthread_rwlock_unlock()
 */

#include "test.h"
#include <sys/timeb.h>

pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;

static int washere = 0;

void * func(void * arg)
{
  assert(pthread_rwlock_trywrlock(&rwlock1) == EBUSY);

  washere = 1;

  return 0; 
}
 
int
main()
{
  pthread_t t;
  struct timespec abstime = { 0, 0 };
  struct _timeb currSysTime;
  const DWORD NANOSEC_PER_MILLISEC = 1000000;

  _ftime(&currSysTime);

  abstime.tv_sec = currSysTime.time;
  abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;

  abstime.tv_sec += 1;

  assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == 0);

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

  Sleep(2000);

  assert(pthread_rwlock_unlock(&rwlock1) == 0);

  assert(washere == 1);

  return 0;
}