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 |
9 | extern "C" const char *__tsan_default_options() { |
10 | return "report_bugs=0" ; |
11 | } |
12 | |
13 | int Global; |
14 | |
15 | void *Thread1(void *x) { |
16 | Global = 42; |
17 | return NULL; |
18 | } |
19 | |
20 | void *Thread2(void *x) { |
21 | Global = 43; |
22 | return NULL; |
23 | } |
24 | |
25 | int 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 | |