1 // RUN: %clangxx_tsan %s -o %t -framework Foundation 2 // RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s 3 4 #import <Foundation/Foundation.h> 5 6 #import <memory> 7 8 #import "../test.h" 9 10 long my_global; 11 12 struct MyStruct { 13 void setGlobal() { 14 my_global = 42; 15 } 16 ~MyStruct() { 17 my_global = 43; 18 } 19 }; 20 21 int main(int argc, const char *argv[]) { 22 fprintf(stderr, "Hello world.\n"); 23 print_address("addr=", 1, &my_global); 24 barrier_init(&barrier, 2); 25 26 std::shared_ptr<MyStruct> shared(new MyStruct()); 27 28 dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); 29 30 std::weak_ptr<MyStruct> weak(shared); 31 32 dispatch_async(q, ^{ 33 { 34 std::shared_ptr<MyStruct> strong = weak.lock(); 35 if (!strong) exit(1); 36 37 strong->setGlobal(); 38 } 39 barrier_wait(&barrier); 40 }); 41 42 barrier_wait(&barrier); 43 shared.reset(); 44 45 fprintf(stderr, "Done.\n"); 46 } 47 48 // CHECK: Hello world. 49 // CHECK: Done. 50 // CHECK-NOT: WARNING: ThreadSanitizer 51
