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 // <condition_variable> 13 14 // void 15 // notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); 16 17 #include <condition_variable> 18 #include <mutex> 19 #include <thread> 20 #include <chrono> 21 #include <cassert> 22 23 std::condition_variable cv; 24 std::mutex mut; 25 26 typedef std::chrono::milliseconds ms; 27 typedef std::chrono::high_resolution_clock Clock; 28 29 void func() 30 { 31 std::unique_lock<std::mutex> lk(mut); 32 std::notify_all_at_thread_exit(cv, std::move(lk)); 33 std::this_thread::sleep_for(ms(300)); 34 } 35 36 int main() 37 { 38 std::unique_lock<std::mutex> lk(mut); 39 std::thread(func).detach(); 40 Clock::time_point t0 = Clock::now(); 41 cv.wait(lk); 42 Clock::time_point t1 = Clock::now(); 43 assert(t1-t0 > ms(250)); 44 } 45
