yolobs-studio/deps/w32-pthreads/tests/join3.c

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2017-04-19 20:03:16 +00:00
/*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
* --------------------------------------------------------------------------
*
* Depends on API functions: pthread_create().
*/
#include "test.h"
void *
func(void * arg)
{
sched_yield();
return arg;
}
int
main(int argc, char * argv[])
{
pthread_t id[4];
int i;
void* result = (void*)-1;
/* Create a few threads and then exit. */
for (i = 0; i < 4; i++)
{
assert(pthread_create(&id[i], NULL, func, (void *)(size_t)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], &result) == 0);
assert((int)(size_t)result == i);
}
/* Success. */
return 0;
}