| // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
| #include "test.h" |
| |
| int Global; |
| |
| void *Thread(void *x) { |
| AnnotateIgnoreWritesBegin(__FILE__, __LINE__); |
| AnnotateIgnoreReadsBegin(__FILE__, __LINE__); |
| Global = 42; |
| AnnotateIgnoreReadsEnd(__FILE__, __LINE__); |
| AnnotateIgnoreWritesEnd(__FILE__, __LINE__); |
| barrier_wait(&barrier); |
| return 0; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| pthread_t t; |
| pthread_create(&t, 0, Thread, 0); |
| barrier_wait(&barrier); |
| Global = 43; |
| pthread_join(t, 0); |
| fprintf(stderr, "OK\n"); |
| } |
| |
| // CHECK-NOT: WARNING: ThreadSanitizer: data race |
