1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2#include <pthread.h> 3#include <unistd.h> 4 5volatile int X; 6 7void *Thread1(void *x) { 8 sleep(1); 9 X = 42; 10 X = 66; 11 X = 78; 12 return 0; 13} 14 15void *Thread2(void *x) { 16 X = 11; 17 X = 99; 18 X = 73; 19 return 0; 20} 21 22int main() { 23 pthread_t t; 24 pthread_create(&t, 0, Thread1, 0); 25 Thread2(0); 26 pthread_join(t, 0); 27} 28 29// CHECK: ThreadSanitizer: reported 1 warnings 30