1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
| // 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
|
|
