1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3
4int fds[2];
5
6void *Thread1(void *x) {
7 write(fds[1], "a", 1);
8 barrier_wait(&barrier);
9 return NULL;
10}
11
12void *Thread2(void *x) {
13 barrier_wait(&barrier);
14 close(fds[0]);
15 close(fds[1]);
16 return NULL;
17}
18
19int main() {
20 barrier_init(&barrier, 2);
21 pipe(fds);
22 pthread_t t[2];
23 pthread_create(&t[0], NULL, Thread1, NULL);
24 pthread_create(&t[1], NULL, Thread2, NULL);
25 pthread_join(t[0], NULL);
26 pthread_join(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