/* * Test for pthread_join() returning return value from threads. * * * -------------------------------------------------------------------------- * *      Pthreads-win32 - POSIX Threads Library for Win32 *      Copyright(C) 1998 John E. Bossom *      Copyright(C) 1999,2005 Pthreads-win32 contributors *  *      Contact Email: rpj@callisto.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 * * -------------------------------------------------------------------------- * * Depends on API functions: pthread_create(). */#include "test.h"void *func(void * arg){	sched_yield();	return arg;}intmain(int argc, char * argv[]){	pthread_t id[4];	int i;	int result;	/* Create a few threads and then exit. */	for (i = 0; i < 4; i++)	  {	    assert(pthread_create(&id[i], NULL, func, (void *) i) == 0);	  }	/*	 * Let threads exit before we join them.	 * We should still retrieve the exit code for the threads.	 */	Sleep(1000);	for (i = 0; i < 4; i++)	  {	    assert(pthread_join(id[i], (void **) &result) == 0);	    assert(result == i);	  }	/* Success. */	return 0;}