33 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s2#include "test.h"3 4int X = 0;5 6__attribute__((noinline)) void MySleep() {7 sleep(1); // the sleep that must appear in the report8}9 10void *Thread(void *p) {11 barrier_wait(&barrier);12 MySleep(); // Assume the main thread has done the write.13 X = 42;14 return 0;15}16 17int main() {18 barrier_init(&barrier, 2);19 pthread_t t;20 pthread_create(&t, 0, Thread, 0);21 X = 43;22 barrier_wait(&barrier);23 pthread_join(t, 0);24 return 0;25}26 27// CHECK: WARNING: ThreadSanitizer: data race28// ...29// CHECK: As if synchronized via sleep:30// CHECK-NEXT: #0 sleep31// CHECK-NEXT: #1 MySleep32// CHECK-NEXT: #2 Thread33