1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2 #include "test.h"
3
4 extern "C" {
5 void AnnotateIgnoreReadsBegin(const char *f, int l);
6 void AnnotateIgnoreReadsEnd(const char *f, int l);
7 void AnnotateIgnoreWritesBegin(const char *f, int l);
8 void AnnotateIgnoreWritesEnd(const char *f, int l);
9 }
10
Thread(void * p)11 void *Thread(void *p) {
12 *(int*)p = 42;
13 barrier_wait(&barrier);
14 return 0;
15 }
16
main()17 int main() {
18 barrier_init(&barrier, 2);
19 int *p = new int(0);
20 pthread_t t;
21 pthread_create(&t, 0, Thread, p);
22 barrier_wait(&barrier);
23 AnnotateIgnoreReadsBegin(__FILE__, __LINE__);
24 AnnotateIgnoreWritesBegin(__FILE__, __LINE__);
25 free(p);
26 AnnotateIgnoreReadsEnd(__FILE__, __LINE__);
27 AnnotateIgnoreWritesEnd(__FILE__, __LINE__);
28 pthread_join(t, 0);
29 fprintf(stderr, "OK\n");
30 return 0;
31 }
32
33 // CHECK-NOT: WARNING: ThreadSanitizer: data race
34 // CHECK: OK
35