1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include "test.h" 3 4 int X = 0; 5 6 void MySleep() { 7 sleep(1); // the sleep that must appear in the report 8 } 9 10 void *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 17 int 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 race 28 // ... 29 // CHECK: As if synchronized via sleep: 30 // CHECK-NEXT: #0 sleep 31 // CHECK-NEXT: #1 MySleep 32 // CHECK-NEXT: #2 Thread 33
