1 | // RUN: %clangxx_tsan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s |
2 | #include "test.h" |
3 | |
4 | const int kThreads = 16; |
5 | const int kIters = 1000; |
6 | |
7 | volatile int X = 0; |
8 | |
9 | void *thr(void *arg) { |
10 | for (int i = 0; i < kIters; i++) |
11 | X++; |
12 | return 0; |
13 | } |
14 | |
15 | int main() { |
16 | pthread_t th[kThreads]; |
17 | for (int i = 0; i < kThreads; i++) |
18 | pthread_create(newthread: &th[i], attr: 0, start_routine: thr, arg: 0); |
19 | for (int i = 0; i < kThreads; i++) |
20 | pthread_join(th: th[i], thread_return: 0); |
21 | fprintf(stderr, format: "DONE\n" ); |
22 | } |
23 | |
24 | // CHECK: ThreadSanitizer: data race |
25 | // CHECK: DONE |
26 | |