1// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2#include <pthread.h>
3#include <sanitizer/tsan_interface.h>
4#include <stdio.h>
5
6#if (__APPLE__)
7__attribute__((weak))
8#endif
9extern "C" const char *__tsan_default_options() {
10 return "report_bugs=0";
11}
12
13int Global;
14
15void *Thread1(void *x) {
16 Global = 42;
17 return NULL;
18}
19
20void *Thread2(void *x) {
21 Global = 43;
22 return NULL;
23}
24
25int main() {
26 pthread_t t[2];
27 pthread_create(newthread: &t[0], NULL, start_routine: Thread1, NULL);
28 pthread_create(newthread: &t[1], NULL, start_routine: Thread2, NULL);
29 pthread_join(th: t[0], NULL);
30 pthread_join(th: t[1], NULL);
31 fprintf(stderr, format: "DONE\n");
32 return 0;
33}
34
35// CHECK-NOT: WARNING: ThreadSanitizer: data race
36// CHECK: DONE
37

source code of compiler-rt/test/tsan/default_options.cpp