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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
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