1*7c3d14c8STreehugger Robot // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot
4*7c3d14c8STreehugger Robot int Global;
5*7c3d14c8STreehugger Robot int WTFGlobal;
6*7c3d14c8STreehugger Robot
7*7c3d14c8STreehugger Robot extern "C" {
8*7c3d14c8STreehugger Robot void AnnotateBenignRaceSized(const char *f, int l,
9*7c3d14c8STreehugger Robot void *mem, unsigned int size, const char *desc);
10*7c3d14c8STreehugger Robot void WTFAnnotateBenignRaceSized(const char *f, int l,
11*7c3d14c8STreehugger Robot void *mem, unsigned int size,
12*7c3d14c8STreehugger Robot const char *desc);
13*7c3d14c8STreehugger Robot }
14*7c3d14c8STreehugger Robot
15*7c3d14c8STreehugger Robot
Thread(void * x)16*7c3d14c8STreehugger Robot void *Thread(void *x) {
17*7c3d14c8STreehugger Robot Global = 42;
18*7c3d14c8STreehugger Robot WTFGlobal = 142;
19*7c3d14c8STreehugger Robot barrier_wait(&barrier);
20*7c3d14c8STreehugger Robot return 0;
21*7c3d14c8STreehugger Robot }
22*7c3d14c8STreehugger Robot
main()23*7c3d14c8STreehugger Robot int main() {
24*7c3d14c8STreehugger Robot barrier_init(&barrier, 2);
25*7c3d14c8STreehugger Robot AnnotateBenignRaceSized(__FILE__, __LINE__,
26*7c3d14c8STreehugger Robot &Global, sizeof(Global), "Race on Global");
27*7c3d14c8STreehugger Robot WTFAnnotateBenignRaceSized(__FILE__, __LINE__,
28*7c3d14c8STreehugger Robot &WTFGlobal, sizeof(WTFGlobal),
29*7c3d14c8STreehugger Robot "Race on WTFGlobal");
30*7c3d14c8STreehugger Robot pthread_t t;
31*7c3d14c8STreehugger Robot pthread_create(&t, 0, Thread, 0);
32*7c3d14c8STreehugger Robot barrier_wait(&barrier);
33*7c3d14c8STreehugger Robot Global = 43;
34*7c3d14c8STreehugger Robot WTFGlobal = 143;
35*7c3d14c8STreehugger Robot pthread_join(t, 0);
36*7c3d14c8STreehugger Robot fprintf(stderr, "OK\n");
37*7c3d14c8STreehugger Robot }
38*7c3d14c8STreehugger Robot
39*7c3d14c8STreehugger Robot // CHECK-NOT: WARNING: ThreadSanitizer: data race
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