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 // <condition_variable> 11 12 // class condition_variable_any; 13 14 // ~condition_variable_any(); 15 16 #include <condition_variable> 17 #include <mutex> 18 #include <thread> 19 #include <cassert> 20 21 std::condition_variable_any* cv; 22 std::mutex m; 23 24 bool f_ready = false; 25 bool g_ready = false; 26 27 void f() 28 { 29 m.lock(); 30 f_ready = true; 31 cv->notify_one(); 32 delete cv; 33 m.unlock(); 34 } 35 36 void g() 37 { 38 m.lock(); 39 g_ready = true; 40 cv->notify_one(); 41 while (!f_ready) 42 cv->wait(m); 43 m.unlock(); 44 } 45 46 int main() 47 { 48 cv = new std::condition_variable_any; 49 std::thread th2(g); 50 m.lock(); 51 while (!g_ready) 52 cv->wait(m); 53 m.unlock(); 54 std::thread th1(f); 55 th1.join(); 56 th2.join(); 57 } 58
