Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2 | #include "test.h" |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3 | |
| 4 | int Global; |
| 5 | |
| 6 | void *Thread1(void *x) { |
| 7 | Global = 42; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 8 | barrier_wait(&barrier); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 9 | return NULL; |
| 10 | } |
| 11 | |
| 12 | void *Thread2(void *x) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 13 | barrier_wait(&barrier); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 14 | Global = 43; |
| 15 | return NULL; |
| 16 | } |
| 17 | |
| 18 | int main() { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 19 | barrier_init(&barrier, 2); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 20 | pthread_t t[2]; |
| 21 | pthread_create(&t[0], NULL, Thread1, NULL); |
| 22 | pthread_create(&t[1], NULL, Thread2, NULL); |
| 23 | pthread_join(t[0], NULL); |
| 24 | pthread_join(t[1], NULL); |
| 25 | printf("OK\n"); |
| 26 | return 0; |
| 27 | } |
| 28 | |
| 29 | // CHECK-NOT: failed to open suppressions file |
| 30 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
| 31 | |