| // RUN: %clang_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s | |
| #include <pthread.h> | |
| #include <unistd.h> | |
| int Global; | |
| void *Thread1(void *x) { | |
| sleep(1); | |
| Global = 42; | |
| return x; | |
| } | |
| int main() { | |
| pthread_t t; | |
| pthread_create(&t, 0, Thread1, 0); | |
| Global = 43; | |
| pthread_join(t, 0); | |
| return Global; | |
| } | |
| // CHECK: WARNING: ThreadSanitizer: data race |