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 // <thread> 11 12 // class thread 13 14 // thread& operator=(thread&& t); 15 16 #include <thread> 17 #include <new> 18 #include <cstdlib> 19 #include <cassert> 20 21 class G 22 { 23 int alive_; 24 public: 25 static int n_alive; 26 static bool op_run; 27 G()28 G() : alive_(1) {++n_alive;} G(const G & g)29 G(const G& g) : alive_(g.alive_) {++n_alive;} ~G()30 ~G() {alive_ = 0; --n_alive;} 31 operator ()()32 void operator()() 33 { 34 assert(alive_ == 1); 35 assert(n_alive >= 1); 36 op_run = true; 37 } 38 operator ()(int i,double j)39 void operator()(int i, double j) 40 { 41 assert(alive_ == 1); 42 assert(n_alive >= 1); 43 assert(i == 5); 44 assert(j == 5.5); 45 op_run = true; 46 } 47 }; 48 49 int G::n_alive = 0; 50 bool G::op_run = false; 51 f1()52void f1() 53 { 54 std::exit(0); 55 } 56 main()57int main() 58 { 59 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 60 std::set_terminate(f1); 61 { 62 assert(G::n_alive == 0); 63 assert(!G::op_run); 64 std::thread t0(G(), 5, 5.5); 65 std::thread::id id = t0.get_id(); 66 std::thread t1; 67 t1 = std::move(t0); 68 assert(t1.get_id() == id); 69 assert(t0.get_id() == std::thread::id()); 70 t1.join(); 71 assert(G::n_alive == 0); 72 assert(G::op_run); 73 } 74 { 75 std::thread t0(G(), 5, 5.5); 76 std::thread::id id = t0.get_id(); 77 std::thread t1; 78 t0 = std::move(t1); 79 assert(false); 80 } 81 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 82 } 83