| // RUN: %clang_tsan %s -o %t -framework Foundation |
| // RUN: %run %t 2>&1 | FileCheck %s |
| |
| #import <Foundation/Foundation.h> |
| |
| long global; |
| |
| static const long nIter = 1000; |
| |
| int main() { |
| NSLog(@"Hello world."); |
| |
| global = 42; |
| for (int i = 0; i < nIter; i++) { |
| dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ |
| dispatch_sync(dispatch_get_main_queue(), ^{ |
| global = i; |
| |
| if (i == nIter - 1) { |
| CFRunLoopStop(CFRunLoopGetCurrent()); |
| } |
| }); |
| }); |
| } |
| |
| CFRunLoopRun(); |
| NSLog(@"Done."); |
| } |
| |
| // CHECK: Hello world. |
| // CHECK: Done. |
| // CHECK-NOT: WARNING: ThreadSanitizer |
