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// RUN: %clang_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
extern "C" {
void AnnotateIgnoreReadsBegin(const char *f, int l);
void AnnotateIgnoreReadsEnd(const char *f, int l);
void AnnotateIgnoreWritesBegin(const char *f, int l);
void AnnotateIgnoreWritesEnd(const char *f, int l);
}
void *Thread(void *p) {
*(int*)p = 42;
return 0;
}
int main() {
int *p = new int(0);
pthread_t t;
pthread_create(&t, 0, Thread, p);
sleep(1);
AnnotateIgnoreReadsBegin(__FILE__, __LINE__);
AnnotateIgnoreWritesBegin(__FILE__, __LINE__);
free(p);
AnnotateIgnoreReadsEnd(__FILE__, __LINE__);
AnnotateIgnoreWritesEnd(__FILE__, __LINE__);
pthread_join(t, 0);
fprintf(stderr, "OK\n");
return 0;
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
// CHECK: OK
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