| // RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s |
| #include <pthread.h> |
| #include <stdio.h> |
| |
| int RacyGlobal; |
| |
| void *Thread1(void *x) { |
| RacyGlobal = 42; |
| return NULL; |
| } |
| |
| void *Thread2(void *x) { |
| RacyGlobal = 43; |
| return NULL; |
| } |
| |
| int main() { |
| pthread_t t[2]; |
| pthread_create(&t[0], NULL, Thread1, NULL); |
| pthread_create(&t[1], NULL, Thread2, NULL); |
| pthread_join(t[0], NULL); |
| pthread_join(t[1], NULL); |
| fprintf(stderr, "OK\n"); |
| return 0; |
| } |
| |
| // CHECK-NOT: failed to open suppressions file |
| // CHECK-NOT: WARNING: ThreadSanitizer: data race |
| |
