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 q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); 15*7c3d14c8STreehugger Robot global = 42; 16*7c3d14c8STreehugger Robot 17*7c3d14c8STreehugger Robot dispatch_group_t g = dispatch_group_create(); 18*7c3d14c8STreehugger Robot dispatch_group_async(g, q, ^{ 19*7c3d14c8STreehugger Robot global = 43; 20*7c3d14c8STreehugger Robot }); 21*7c3d14c8STreehugger Robot dispatch_group_wait(g, DISPATCH_TIME_FOREVER); 22*7c3d14c8STreehugger Robot 23*7c3d14c8STreehugger Robot global = 44; 24*7c3d14c8STreehugger Robot 25*7c3d14c8STreehugger Robot dispatch_group_enter(g); 26*7c3d14c8STreehugger Robot dispatch_async(q, ^{ 27*7c3d14c8STreehugger Robot global = 45; 28*7c3d14c8STreehugger Robot dispatch_group_leave(g); 29*7c3d14c8STreehugger Robot }); 30*7c3d14c8STreehugger Robot dispatch_group_wait(g, DISPATCH_TIME_FOREVER); 31*7c3d14c8STreehugger Robot 32*7c3d14c8STreehugger Robot global = 46; 33*7c3d14c8STreehugger Robot 34*7c3d14c8STreehugger Robot dispatch_group_enter(g); 35*7c3d14c8STreehugger Robot dispatch_async(q, ^{ 36*7c3d14c8STreehugger Robot global = 47; 37*7c3d14c8STreehugger Robot dispatch_group_leave(g); 38*7c3d14c8STreehugger Robot }); 39*7c3d14c8STreehugger Robot dispatch_group_notify(g, q, ^{ 40*7c3d14c8STreehugger Robot global = 48; 41*7c3d14c8STreehugger Robot 42*7c3d14c8STreehugger Robot dispatch_sync(dispatch_get_main_queue(), ^{ 43*7c3d14c8STreehugger Robot CFRunLoopStop(CFRunLoopGetCurrent()); 44*7c3d14c8STreehugger Robot }); 45*7c3d14c8STreehugger Robot }); 46*7c3d14c8STreehugger Robot 47*7c3d14c8STreehugger Robot CFRunLoopRun(); 48*7c3d14c8STreehugger Robot NSLog(@"Done."); 49*7c3d14c8STreehugger Robot} 50*7c3d14c8STreehugger Robot 51*7c3d14c8STreehugger Robot// CHECK: Hello world. 52*7c3d14c8STreehugger Robot// CHECK: Done. 53*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 54