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1 | |
2 | #include <pthread.h> |
3 | #include <stdio.h> |
4 | #include <unistd.h> |
5 | #include <stdlib.h> |
6 | |
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7 | #include <ltt/ltt-usertrace-fast.h> |
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8 | |
9 | |
10 | |
11 | void *thr1(void *arg) |
12 | { |
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13 | int i; |
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14 | ltt_thread_init(); |
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15 | printf("thread 1, thread id : %lu, pid %lu\n", pthread_self(), getpid()); |
16 | |
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17 | //while(1) {} |
18 | for(i=0; i<5; i++) { |
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19 | // ltt_usertrace_fast_buffer_switch(); |
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20 | sleep(1); |
21 | } |
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22 | |
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23 | //return ((void*)1); |
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24 | pthread_exit((void*)1); |
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25 | } |
26 | |
27 | void *thr2(void *arg) |
28 | { |
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29 | int i; |
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30 | ltt_thread_init(); |
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31 | //while(1) { |
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32 | printf("thread 2, thread id : %lu, pid %lu\n", pthread_self(), getpid()); |
33 | sleep(2); |
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34 | //} |
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35 | for(i=0; i<2; i++) { |
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36 | // ltt_usertrace_fast_buffer_switch(); |
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37 | sleep(3); |
38 | } |
39 | |
40 | |
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41 | return ((void*)2); /* testing "die" */ |
42 | //pthread_exit((void*)2); |
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43 | } |
44 | |
45 | |
46 | int main() |
47 | { |
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48 | int i; |
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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 | |
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60 | for(i=0; i<2; i++) { |
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61 | // ltt_usertrace_fast_buffer_switch(); |
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62 | sleep(3); |
63 | } |
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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 | } |