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/* ==== 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 <stdio.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();
return(new_buf);
PANIC();
}
/* 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();
}
int
main()
{
char buf[256], *status;
pthread_t thread;
int debug = 1;
int i = 0;
printf("Original thread stack at %p\n", &i);
if (pthread_create(&thread, NULL, new_thread_1, (void *)buf) == 0) {
if (pthread_join(thread, (void **)(&status)) == 0) {
if (debug) { printf(status, ++i); }
} else {
printf("ERROR: Joining with new thread #1.\n");
printf("FAILED: test_pthread_join\n");
exit(1);
}
} else {
printf("ERROR: Creating new thread #1\n");
printf("FAILED: test_pthread_join\n");
exit(2);
}
/* Now have the created thread finishing before the join. */
if (pthread_create(&thread, NULL, new_thread_2, (void *)buf) == 0){
pthread_yield();
if (pthread_join(thread, (void **)(&status)) == 0) {
if (debug) { printf(status, ++i); }
} else {
printf("ERROR: Joining with new thread #2.\n");
printf("FAILED: test_pthread_join\n");
exit(1);
}
} else {
printf("ERROR: Creating new thread #2\n");
printf("FAILED: test_pthread_join\n");
exit(2);
}
printf("test_pthread_join PASSED\n");
return(0);
}
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