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