1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-threads 11 12 13 // <thread> 14 15 // class thread 16 17 // ~thread(); 18 19 #include <thread> 20 #include <new> 21 #include <cstdlib> 22 #include <cassert> 23 24 class G 25 { 26 int alive_; 27 public: 28 static int n_alive; 29 static bool op_run; 30 G()31 G() : alive_(1) {++n_alive;} G(const G & g)32 G(const G& g) : alive_(g.alive_) {++n_alive;} ~G()33 ~G() {alive_ = 0; --n_alive;} 34 operator ()()35 void operator()() 36 { 37 assert(alive_ == 1); 38 assert(n_alive >= 1); 39 op_run = true; 40 } 41 }; 42 43 int G::n_alive = 0; 44 bool G::op_run = false; 45 f1()46void f1() 47 { 48 std::_Exit(0); 49 } 50 main()51int main() 52 { 53 std::set_terminate(f1); 54 { 55 assert(G::n_alive == 0); 56 assert(!G::op_run); 57 G g; 58 { 59 std::thread t(g); 60 std::this_thread::sleep_for(std::chrono::milliseconds(250)); 61 } 62 } 63 assert(false); 64 } 65