test_pthread_join.c
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上传日期:2007-04-14
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文件大小:2k
- /* ==== 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.
- */
- #define PTHREAD_KERNEL
- #include <pthread.h>
- #include <stdio.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 %xn", &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 %xn", &i);
- return(new_buf);
- PANIC();
- }
- main()
- {
- char buf[256], *status;
- pthread_t thread;
- int debug = 1;
- int i = 0;
- pthread_init();
- printf("Original thread stack at %xn", &i);
- if (pthread_create(&thread, NULL, new_thread_1, (void *)buf) == OK) {
- if (pthread_join(thread, (void **)(&status)) == OK) {
- if (debug) { printf(status, ++i); }
- } else {
- printf("ERROR: Joining with new thread #1.n");
- printf("FAILED: test_pthread_joinn");
- exit(1);
- }
- } else {
- printf("ERROR: Creating new thread #1n");
- printf("FAILED: test_pthread_joinn");
- exit(2);
- }
- /* Now have the created thread finishing before the join. */
- if (pthread_create(&thread, NULL, new_thread_2, (void *)buf) == OK){
- pthread_yield();
- if (pthread_join(thread, (void **)(&status)) == OK) {
- if (debug) { printf(status, ++i); }
- } else {
- printf("ERROR: Joining with new thread #2.n");
- printf("FAILED: test_pthread_joinn");
- exit(1);
- }
- } else {
- printf("ERROR: Creating new thread #2n");
- printf("FAILED: test_pthread_joinn");
- exit(2);
- }
- printf("test_pthread_join PASSEDn");
- pthread_exit(NULL);
- }