| 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: Location is file descriptor {{[0-9]+}} created by main thread at: |
| 31 | // CHECK: #0 pipe |
| 32 | // CHECK: #1 main |
| 33 | |
| 34 | |