| 1 | |
| 2 | #include <pthread.h> |
| 3 | #include <stdio.h> |
| 4 | #include <unistd.h> |
| 5 | #include <stdlib.h> |
| 6 | |
| 7 | #include "ltt-usertrace-fast.h" |
| 8 | |
| 9 | |
| 10 | |
| 11 | void *thr1(void *arg) |
| 12 | { |
| 13 | int i; |
| 14 | ltt_thread_init(); |
| 15 | printf("thread 1, thread id : %lu, pid %lu\n", pthread_self(), getpid()); |
| 16 | |
| 17 | //while(1) {} |
| 18 | for(i=0; i<5; i++) { |
| 19 | ltt_usertrace_fast_buffer_switch(); |
| 20 | sleep(1); |
| 21 | } |
| 22 | |
| 23 | //return ((void*)1); |
| 24 | pthread_exit((void*)1); |
| 25 | } |
| 26 | |
| 27 | void *thr2(void *arg) |
| 28 | { |
| 29 | int i; |
| 30 | ltt_thread_init(); |
| 31 | //while(1) { |
| 32 | printf("thread 2, thread id : %lu, pid %lu\n", pthread_self(), getpid()); |
| 33 | sleep(2); |
| 34 | //} |
| 35 | for(i=0; i<2; i++) { |
| 36 | ltt_usertrace_fast_buffer_switch(); |
| 37 | sleep(3); |
| 38 | } |
| 39 | |
| 40 | |
| 41 | return ((void*)2); /* testing "die" */ |
| 42 | //pthread_exit((void*)2); |
| 43 | } |
| 44 | |
| 45 | |
| 46 | int main() |
| 47 | { |
| 48 | int i; |
| 49 | int err; |
| 50 | pthread_t tid1, tid2; |
| 51 | void *tret; |
| 52 | |
| 53 | printf("thread main, thread id : %lu, pid %lu\n", pthread_self(), getpid()); |
| 54 | err = pthread_create(&tid1, NULL, thr1, NULL); |
| 55 | if(err!=0) exit(1); |
| 56 | |
| 57 | err = pthread_create(&tid2, NULL, thr2, NULL); |
| 58 | if(err!=0) exit(1); |
| 59 | |
| 60 | for(i=0; i<2; i++) { |
| 61 | ltt_usertrace_fast_buffer_switch(); |
| 62 | sleep(3); |
| 63 | } |
| 64 | |
| 65 | err = pthread_join(tid1, &tret); |
| 66 | if(err!= 0) exit(1); |
| 67 | |
| 68 | err = pthread_join(tid2, &tret); |
| 69 | if(err!= 0) exit(1); |
| 70 | |
| 71 | return 0; |
| 72 | } |