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