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/*
* count1.c
*
*
* --------------------------------------------------------------------------
*
* 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
*
* --------------------------------------------------------------------------
*
* Description:
* Test some basic assertions about the number of threads at runtime.
*/
#include "test.h"
#define NUMTHREADS (30)
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_t threads[NUMTHREADS];
static unsigned numThreads = 0;
void *
myfunc(void *arg)
{
pthread_mutex_lock(&lock);
numThreads++;
pthread_mutex_unlock(&lock);
Sleep(1000);
return 0;
}
int
main()
{
int i;
int maxThreads = sizeof(threads) / sizeof(pthread_t);
/*
* Spawn NUMTHREADS threads. Each thread should increment the
* numThreads variable, sleep for one second.
*/
for (i = 0; i < maxThreads; i++)
{
assert(pthread_create(&threads[i], NULL, myfunc, 0) == 0);
}
/*
* Wait for all the threads to exit.
*/
for (i = 0; i < maxThreads; i++)
{
assert(pthread_join(threads[i], NULL) == 0);
}
/*
* Check the number of threads created.
*/
assert((int) numThreads == maxThreads);
/*
* Success.
*/
return 0;
}
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