34 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s2#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 race30// CHECK: Location is file descriptor {{[0-9]+}} created by main thread at:31// CHECK: #0 pipe32// CHECK: #1 main33 34