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Commit | Line | Data |
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3157f602 | 1 | // RUN: %clang_tsan %s -o %t -framework Foundation |
5bcae85e | 2 | // RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s |
3157f602 XL |
3 | |
4 | #import <Foundation/Foundation.h> | |
5 | ||
6 | void notify_callback(void *context) { | |
7 | // Do nothing. | |
8 | } | |
9 | ||
10 | int main() { | |
11 | NSLog(@"Hello world."); | |
12 | ||
13 | dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); | |
14 | ||
15 | for (int i = 0; i < 300000; i++) { | |
16 | dispatch_group_t g = dispatch_group_create(); | |
17 | dispatch_group_enter(g); | |
18 | dispatch_async(q, ^{ | |
19 | dispatch_group_leave(g); | |
20 | }); | |
21 | dispatch_group_notify(g, q, ^{ | |
22 | // Do nothing. | |
23 | }); | |
24 | dispatch_release(g); | |
25 | } | |
26 | ||
27 | for (int i = 0; i < 300000; i++) { | |
28 | dispatch_group_t g = dispatch_group_create(); | |
29 | dispatch_group_enter(g); | |
30 | dispatch_async(q, ^{ | |
31 | dispatch_group_leave(g); | |
32 | }); | |
5bcae85e | 33 | dispatch_group_notify_f(g, q, NULL, ¬ify_callback); |
3157f602 XL |
34 | dispatch_release(g); |
35 | } | |
36 | ||
37 | NSLog(@"Done."); | |
38 | } | |
39 | ||
40 | // CHECK: Hello world. | |
41 | // CHECK: Done. | |
42 | // CHECK-NOT: WARNING: ThreadSanitizer | |
43 | // CHECK-NOT: CHECK failed |