| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // RUN: %clang_tsan %s -o %t -framework Foundation |
| 2 | // RUN: %run %t 2>&1 |
| 3 | |
| 4 | #import <Foundation/Foundation.h> |
| 5 | |
| 6 | long global; |
| 7 | |
| 8 | static const long nIter = 1000; |
| 9 | |
| 10 | int main() { |
| 11 | NSLog(@"Hello world."); |
| 12 | |
| 13 | global = 42; |
| 14 | for (int i = 0; i < nIter; i++) { |
| 15 | dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ |
| 16 | dispatch_sync(dispatch_get_main_queue(), ^{ |
| 17 | global = i; |
| 18 | |
| 19 | if (i == nIter - 1) { |
| 20 | CFRunLoopStop(CFRunLoopGetCurrent()); |
| 21 | } |
| 22 | }); |
| 23 | }); |
| 24 | } |
| 25 | |
| 26 | CFRunLoopRun(); |
| 27 | NSLog(@"Done."); |
| 28 | } |
| 29 | |
| 30 | // CHECK: Hello world. |
| 31 | // CHECK: Done. |
| 32 | // CHECK-NOT: WARNING: ThreadSanitizer |