| 1 | // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
|---|
| 2 | #include "test.h" |
|---|
| 3 | |
|---|
| 4 | int Global; |
|---|
| 5 | |
|---|
| 6 | void *Thread(void *x) { |
|---|
| 7 | AnnotateIgnoreWritesBegin(__FILE__, __LINE__); |
|---|
| 8 | AnnotateIgnoreReadsBegin(__FILE__, __LINE__); |
|---|
| 9 | Global = 42; |
|---|
| 10 | AnnotateIgnoreReadsEnd(__FILE__, __LINE__); |
|---|
| 11 | AnnotateIgnoreWritesEnd(__FILE__, __LINE__); |
|---|
| 12 | barrier_wait(barrier: &barrier); |
|---|
| 13 | return 0; |
|---|
| 14 | } |
|---|
| 15 | |
|---|
| 16 | int main() { |
|---|
| 17 | barrier_init(barrier: &barrier, count: 2); |
|---|
| 18 | pthread_t t; |
|---|
| 19 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
|---|
| 20 | barrier_wait(barrier: &barrier); |
|---|
| 21 | Global = 43; |
|---|
| 22 | pthread_join(th: t, thread_return: 0); |
|---|
| 23 | fprintf(stderr, format: "OK\n" ); |
|---|
| 24 | } |
|---|
| 25 | |
|---|
| 26 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
|---|
| 27 | |
|---|
