bart | e37ff33 | 2010-03-07 10:46:43 +0000 | [diff] [blame] | 1 | /* Test program that triggers several happens-before usage errors. */ |
| 2 | |
| 3 | |
| 4 | #include <stdlib.h> |
| 5 | #include <stdio.h> |
| 6 | #include <pthread.h> |
| 7 | #include "unified_annotations.h" |
| 8 | |
| 9 | |
| 10 | int main(int argc, char** argv) |
| 11 | { |
| 12 | pthread_mutex_t m; |
| 13 | pthread_cond_t cv; |
| 14 | int i[64]; |
| 15 | |
| 16 | pthread_mutex_init(&m, NULL); |
| 17 | pthread_cond_init(&cv, NULL); |
| 18 | |
| 19 | /* happens-after without preceding happens-before. */ |
| 20 | ANNOTATE_HAPPENS_AFTER(&i); |
| 21 | |
| 22 | /* happens-after on a mutex. */ |
| 23 | ANNOTATE_HAPPENS_BEFORE(&m); |
| 24 | |
| 25 | /* happens-after on a condition variable. */ |
| 26 | ANNOTATE_HAPPENS_BEFORE(&cv); |
| 27 | |
| 28 | /* condition variable operation on a h.b. annotated object. */ |
| 29 | ANNOTATE_HAPPENS_BEFORE(&i); |
| 30 | pthread_cond_init((pthread_cond_t*)&i, NULL); |
| 31 | |
| 32 | /* The sequence below is fine. */ |
| 33 | ANNOTATE_HAPPENS_DONE(&i); |
| 34 | ANNOTATE_HAPPENS_BEFORE(&i); |
| 35 | ANNOTATE_HAPPENS_AFTER(&i); |
| 36 | ANNOTATE_HAPPENS_DONE(&i); |
| 37 | ANNOTATE_HAPPENS_BEFORE(&i); |
| 38 | ANNOTATE_HAPPENS_DONE(&i); |
| 39 | |
| 40 | /* happens-before after happens-after without intervening happens-done. */ |
| 41 | ANNOTATE_HAPPENS_BEFORE(&i); |
| 42 | ANNOTATE_HAPPENS_AFTER(&i); |
| 43 | ANNOTATE_HAPPENS_BEFORE(&i); |
| 44 | |
| 45 | fprintf(stderr, "Done.\n"); |
| 46 | return 0; |
| 47 | } |
| 48 | |
| 49 | /* |
| 50 | * Local variables: |
| 51 | * c-basic-offset: 2 |
| 52 | * End: |
| 53 | */ |