1*7c3d14c8STreehugger Robot// RUN: %clang_tsan %s -o %t -framework Foundation 2*7c3d14c8STreehugger Robot// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot#import <Foundation/Foundation.h> 5*7c3d14c8STreehugger Robot 6*7c3d14c8STreehugger Robot#import "../test.h" 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robotlong global; 9*7c3d14c8STreehugger Robot 10*7c3d14c8STreehugger Robotint main() { 11*7c3d14c8STreehugger Robot NSLog(@"Hello world."); 12*7c3d14c8STreehugger Robot NSLog(@"addr=%p\n", &global); 13*7c3d14c8STreehugger Robot 14*7c3d14c8STreehugger Robot dispatch_queue_t q1 = dispatch_queue_create("my.queue1", DISPATCH_QUEUE_CONCURRENT); 15*7c3d14c8STreehugger Robot dispatch_queue_t q2 = dispatch_queue_create("my.queue2", DISPATCH_QUEUE_SERIAL); 16*7c3d14c8STreehugger Robot 17*7c3d14c8STreehugger Robot global = 42; 18*7c3d14c8STreehugger Robot for (int i = 0; i < 10; i++) { 19*7c3d14c8STreehugger Robot dispatch_async(q1, ^{ 20*7c3d14c8STreehugger Robot for (int i = 0; i < 100; i++) { 21*7c3d14c8STreehugger Robot dispatch_sync(q2, ^{ 22*7c3d14c8STreehugger Robot global++; 23*7c3d14c8STreehugger Robot }); 24*7c3d14c8STreehugger Robot } 25*7c3d14c8STreehugger Robot }); 26*7c3d14c8STreehugger Robot } 27*7c3d14c8STreehugger Robot 28*7c3d14c8STreehugger Robot dispatch_barrier_async(q1, ^{ 29*7c3d14c8STreehugger Robot dispatch_sync(dispatch_get_main_queue(), ^{ 30*7c3d14c8STreehugger Robot CFRunLoopStop(CFRunLoopGetCurrent()); 31*7c3d14c8STreehugger Robot }); 32*7c3d14c8STreehugger Robot }); 33*7c3d14c8STreehugger Robot 34*7c3d14c8STreehugger Robot CFRunLoopRun(); 35*7c3d14c8STreehugger Robot NSLog(@"Done."); 36*7c3d14c8STreehugger Robot} 37*7c3d14c8STreehugger Robot 38*7c3d14c8STreehugger Robot// CHECK: Hello world. 39*7c3d14c8STreehugger Robot// CHECK: Done. 40*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 41