1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
2 | #include "test.h" |
3 | |
4 | int fds[2]; |
5 | |
6 | void *Thread1(void *x) { |
7 | write(fd: fds[1], buf: "a" , n: 1); |
8 | barrier_wait(barrier: &barrier); |
9 | return NULL; |
10 | } |
11 | |
12 | void *Thread2(void *x) { |
13 | barrier_wait(barrier: &barrier); |
14 | close(fd: fds[0]); |
15 | close(fd: fds[1]); |
16 | return NULL; |
17 | } |
18 | |
19 | int main() { |
20 | barrier_init(barrier: &barrier, count: 2); |
21 | pipe(pipedes: fds); |
22 | pthread_t t[2]; |
23 | pthread_create(newthread: &t[0], NULL, start_routine: Thread1, NULL); |
24 | pthread_create(newthread: &t[1], NULL, start_routine: Thread2, NULL); |
25 | pthread_join(th: t[0], NULL); |
26 | pthread_join(th: t[1], NULL); |
27 | } |
28 | |
29 | // CHECK: WARNING: ThreadSanitizer: data race |
30 | // CHECK: Write of size 8 |
31 | // CHECK: #0 close |
32 | // CHECK: #1 Thread2 |
33 | // CHECK: Previous read of size 8 |
34 | // CHECK: #0 write |
35 | // CHECK: #1 Thread1 |
36 | |
37 | |
38 | |