| // RUN: echo "race_top:TopFunction" > %t.supp |
| // RUN: %clangxx_tsan -O1 %s -o %t |
| // RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s |
| // RUN: rm %t.supp |
| #include "test.h" |
| |
| int Global; |
| |
| void TopFunction(int *p) { |
| *p = 1; |
| } |
| |
| void *Thread(void *x) { |
| barrier_wait(&barrier); |
| TopFunction(&Global); |
| return 0; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| pthread_t t; |
| pthread_create(&t, 0, Thread, 0); |
| Global--; |
| barrier_wait(&barrier); |
| pthread_join(t, 0); |
| fprintf(stderr, "DONE\n"); |
| } |
| |
| // CHECK-NOT: WARNING: ThreadSanitizer: data race |