1*7c3d14c8STreehugger Robot// RUN: %clangxx_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 <memory> 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robot#import "../test.h" 9*7c3d14c8STreehugger Robot 10*7c3d14c8STreehugger Robotlong my_global; 11*7c3d14c8STreehugger Robot 12*7c3d14c8STreehugger Robotstruct MyStruct { 13*7c3d14c8STreehugger Robot void setGlobal() { 14*7c3d14c8STreehugger Robot my_global = 42; 15*7c3d14c8STreehugger Robot } 16*7c3d14c8STreehugger Robot ~MyStruct() { 17*7c3d14c8STreehugger Robot my_global = 43; 18*7c3d14c8STreehugger Robot } 19*7c3d14c8STreehugger Robot}; 20*7c3d14c8STreehugger Robot 21*7c3d14c8STreehugger Robotint main(int argc, const char *argv[]) { 22*7c3d14c8STreehugger Robot fprintf(stderr, "Hello world.\n"); 23*7c3d14c8STreehugger Robot print_address("addr=", 1, &my_global); 24*7c3d14c8STreehugger Robot barrier_init(&barrier, 2); 25*7c3d14c8STreehugger Robot 26*7c3d14c8STreehugger Robot std::shared_ptr<MyStruct> shared(new MyStruct()); 27*7c3d14c8STreehugger Robot 28*7c3d14c8STreehugger Robot dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); 29*7c3d14c8STreehugger Robot 30*7c3d14c8STreehugger Robot std::weak_ptr<MyStruct> weak(shared); 31*7c3d14c8STreehugger Robot 32*7c3d14c8STreehugger Robot dispatch_async(q, ^{ 33*7c3d14c8STreehugger Robot { 34*7c3d14c8STreehugger Robot std::shared_ptr<MyStruct> strong = weak.lock(); 35*7c3d14c8STreehugger Robot if (!strong) exit(1); 36*7c3d14c8STreehugger Robot 37*7c3d14c8STreehugger Robot strong->setGlobal(); 38*7c3d14c8STreehugger Robot } 39*7c3d14c8STreehugger Robot barrier_wait(&barrier); 40*7c3d14c8STreehugger Robot }); 41*7c3d14c8STreehugger Robot 42*7c3d14c8STreehugger Robot barrier_wait(&barrier); 43*7c3d14c8STreehugger Robot shared.reset(); 44*7c3d14c8STreehugger Robot 45*7c3d14c8STreehugger Robot fprintf(stderr, "Done.\n"); 46*7c3d14c8STreehugger Robot} 47*7c3d14c8STreehugger Robot 48*7c3d14c8STreehugger Robot// CHECK: Hello world. 49*7c3d14c8STreehugger Robot// CHECK: Done. 50*7c3d14c8STreehugger Robot// CHECK-NOT: WARNING: ThreadSanitizer 51