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 int main() { 9 NSLog(@"Hello world."); 10 11 global = 42; 12 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ 13 global = 43; 14 15 dispatch_sync(dispatch_get_main_queue(), ^{ 16 CFRunLoopStop(CFRunLoopGetCurrent()); 17 }); 18 }); 19 20 CFRunLoopRun(); 21 NSLog(@"Done."); 22 } 23 24 // CHECK: Hello world. 25 // CHECK: Done. 26 // CHECK-NOT: WARNING: ThreadSanitizer 27
