1*bcaeed49SFangrui Song // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2*bcaeed49SFangrui Song #include "test.h"
3*bcaeed49SFangrui Song
4*bcaeed49SFangrui Song int Global;
5*bcaeed49SFangrui Song
Thread(void * x)6*bcaeed49SFangrui Song void *Thread(void *x) {
7*bcaeed49SFangrui Song AnnotateIgnoreWritesBegin(__FILE__, __LINE__);
8*bcaeed49SFangrui Song AnnotateIgnoreReadsBegin(__FILE__, __LINE__);
9*bcaeed49SFangrui Song Global = 42;
10*bcaeed49SFangrui Song AnnotateIgnoreReadsEnd(__FILE__, __LINE__);
11*bcaeed49SFangrui Song AnnotateIgnoreWritesEnd(__FILE__, __LINE__);
12*bcaeed49SFangrui Song barrier_wait(&barrier);
13*bcaeed49SFangrui Song return 0;
14*bcaeed49SFangrui Song }
15*bcaeed49SFangrui Song
main()16*bcaeed49SFangrui Song int main() {
17*bcaeed49SFangrui Song barrier_init(&barrier, 2);
18*bcaeed49SFangrui Song pthread_t t;
19*bcaeed49SFangrui Song pthread_create(&t, 0, Thread, 0);
20*bcaeed49SFangrui Song barrier_wait(&barrier);
21*bcaeed49SFangrui Song Global = 43;
22*bcaeed49SFangrui Song pthread_join(t, 0);
23*bcaeed49SFangrui Song fprintf(stderr, "OK\n");
24*bcaeed49SFangrui Song }
25*bcaeed49SFangrui Song
26*bcaeed49SFangrui Song // CHECK-NOT: WARNING: ThreadSanitizer: data race
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