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| // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
| #include "test.h"
|
| int Global;
|
| extern "C" void AnnotateIgnoreWritesBegin(const char *f, int l);
| extern "C" void AnnotateIgnoreWritesEnd(const char *f, int l);
| extern "C" void AnnotateIgnoreReadsBegin(const char *f, int l);
| extern "C" void AnnotateIgnoreReadsEnd(const char *f, int l);
|
| 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
|
|
