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| // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
| #include "test.h"
|
| int Global;
| int WTFGlobal;
|
| extern "C" {
| void AnnotateBenignRaceSized(const char *f, int l,
| void *mem, unsigned int size, const char *desc);
| void WTFAnnotateBenignRaceSized(const char *f, int l,
| void *mem, unsigned int size,
| const char *desc);
| }
|
|
| void *Thread(void *x) {
| Global = 42;
| WTFGlobal = 142;
| barrier_wait(&barrier);
| return 0;
| }
|
| int main() {
| barrier_init(&barrier, 2);
| AnnotateBenignRaceSized(__FILE__, __LINE__,
| &Global, sizeof(Global), "Race on Global");
| WTFAnnotateBenignRaceSized(__FILE__, __LINE__,
| &WTFGlobal, sizeof(WTFGlobal),
| "Race on WTFGlobal");
| pthread_t t;
| pthread_create(&t, 0, Thread, 0);
| barrier_wait(&barrier);
| Global = 43;
| WTFGlobal = 143;
| pthread_join(t, 0);
| fprintf(stderr, "OK\n");
| }
|
| // CHECK-NOT: WARNING: ThreadSanitizer: data race
|
|
