1 | // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
2 | #include <pthread.h> |
3 | #include <stdlib.h> |
4 | #include <stdio.h> |
5 | |
6 | struct P { |
7 | int x; |
8 | int y; |
9 | }; |
10 | |
11 | void *Thread(void *x) { |
12 | static P p = {.x: rand(), .y: rand()}; |
13 | if (p.x > RAND_MAX || p.y > RAND_MAX) |
14 | exit(status: 1); |
15 | return 0; |
16 | } |
17 | |
18 | int main() { |
19 | pthread_t t[2]; |
20 | pthread_create(newthread: &t[0], attr: 0, start_routine: Thread, arg: 0); |
21 | pthread_create(newthread: &t[1], attr: 0, start_routine: Thread, arg: 0); |
22 | pthread_join(th: t[0], thread_return: 0); |
23 | pthread_join(th: t[1], thread_return: 0); |
24 | fprintf(stderr, format: "PASS\n" ); |
25 | } |
26 | |
27 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
28 | |