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/*
* once1.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
*
* --------------------------------------------------------------------------
*
* Create a static pthread_once and test that it calls myfunc once.
*
* Depends on API functions:
* pthread_once()
* pthread_create()
*/
#include "test.h"
pthread_once_t once = PTHREAD_ONCE_INIT;
static int washere = 0;
void
myfunc(void)
{
washere++;
}
void *
mythread(void * arg)
{
assert(pthread_once(&once, myfunc) == 0);
return 0;
}
int
main()
{
pthread_t t1, t2;
assert(pthread_create(&t1, NULL, mythread, NULL) == 0);
assert(pthread_create(&t2, NULL, mythread, NULL) == 0);
Sleep(2000);
assert(washere == 1);
return 0;
}
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