// RUN: %clang_tsan %s -o %t -framework Foundation | |
// RUN: %run %t 2>&1 | FileCheck %s | |
#import <Foundation/Foundation.h> | |
long global; | |
int main() { | |
NSLog(@"Hello world."); | |
global = 42; | |
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ | |
global = 43; | |
dispatch_sync(dispatch_get_main_queue(), ^{ | |
CFRunLoopStop(CFRunLoopGetCurrent()); | |
}); | |
}); | |
CFRunLoopRun(); | |
NSLog(@"Done."); | |
} | |
// CHECK: Hello world. | |
// CHECK: Done. | |
// CHECK-NOT: WARNING: ThreadSanitizer |