test_sleep.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:1k
- /* ==== test_switch.c ============================================================
- * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
- *
- * Description : Test context switch functionality.
- *
- * 1.00 93/08/04 proven
- * -Started coding this file.
- */
- #include <pthread.h>
- #include <stdio.h>
- const char buf[] = "abcdefghijklimnopqrstuvwxyz";
- int fd = 1;
- void* new_thread(void* arg)
- {
- int i;
- for (i = 0; i < 10; i++) {
- write(fd, buf + (long) arg, 1);
- sleep(1);
- }
- }
- main()
- {
- pthread_t thread;
- int count = 2;
- long i;
- pthread_init();
- printf("Going to sleepn");
- sleep(10);
- printf("Done sleepingn");
- for(i = 0; i < count; i++) {
- if (pthread_create(&thread, NULL, new_thread, (void *) i)) {
- printf("error creating new thread %dn", i);
- }
- }
- pthread_exit(NULL);
- fprintf(stderr, "pthread_exit returnedn");
- exit(1);
- }