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/* $OpenBSD: pthread_join.c,v 1.2 2001/09/20 16:43:15 todd Exp $ */
/*
* Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors,
* proven@mit.edu All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Chris Provenzano,
* the University of California, Berkeley, and contributors.
* 4. Neither the name of Chris Provenzano, the University, nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* ==== test_pthread_join.c =================================================
* Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
*
* Description : Test pthread_join(). Run this after test_create()
*
* 1.23 94/05/04 proven
* -Started coding this file.
*/
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include "test.h"
/* This thread yields so the creator has a live thread to wait on */
void* new_thread_1(void * new_buf)
{
int i;
sprintf((char *)new_buf, "New thread %%d stack at %p\n", &i);
pthread_yield(); /* (ensure parent can wait on live thread) */
sleep(1);
return(new_buf);
PANIC("return");
}
/* This thread doesn't yield so the creator has a dead thread to wait on */
void* new_thread_2(void * new_buf)
{
int i;
sprintf((char *)new_buf, "New thread %%d stack at %p\n", &i);
return(new_buf);
PANIC("return");
}
int
main()
{
char buf[256], *status;
pthread_t thread;
int debug = 1;
int i = 0;
if (debug)
printf("Original thread stack at %p\n", &i);
CHECKr(pthread_create(&thread, NULL, new_thread_1, (void *)buf));
CHECKr(pthread_join(thread, (void **)(&status)));
if (debug)
printf(status, ++i);
/* Now have the created thread finishing before the join. */
CHECKr(pthread_create(&thread, NULL, new_thread_2, (void *)buf));
pthread_yield();
sleep(1); /* (ensure thread is dead) */
CHECKr(pthread_join(thread, (void **)(&status)));
if (debug)
printf(status, ++i);
SUCCEED;
}
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