1 | // RUN: echo "race_top:TopFunction" > %t.supp |
2 | // RUN: %clangxx_tsan -O1 %s -o %t |
3 | // RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s |
4 | // RUN: rm %t.supp |
5 | #include "test.h" |
6 | |
7 | int Global; |
8 | |
9 | __attribute__((noinline)) void TopFunction(int *p) { |
10 | *p = 1; |
11 | } |
12 | |
13 | void *Thread(void *x) { |
14 | barrier_wait(barrier: &barrier); |
15 | TopFunction(p: &Global); |
16 | return 0; |
17 | } |
18 | |
19 | int main() { |
20 | barrier_init(barrier: &barrier, count: 2); |
21 | pthread_t t; |
22 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
23 | Global--; |
24 | barrier_wait(barrier: &barrier); |
25 | pthread_join(th: t, thread_return: 0); |
26 | fprintf(stderr, format: "DONE\n" ); |
27 | } |
28 | |
29 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
30 | |