1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // UNSUPPORTED: no-threads 10 11 // notify_all_at_thread_exit(...) requires move semantics to transfer the unique_lock. 12 // UNSUPPORTED: c++03 13 14 // <condition_variable> 15 // 16 // void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); 17 18 #include <condition_variable> 19 #include <mutex> 20 #include <thread> 21 #include <chrono> 22 #include <cassert> 23 24 #include "make_test_thread.h" 25 #include "test_macros.h" 26 27 std::condition_variable cv; 28 std::mutex mut; 29 30 typedef std::chrono::milliseconds ms; 31 typedef std::chrono::high_resolution_clock Clock; 32 func()33void func() 34 { 35 std::unique_lock<std::mutex> lk(mut); 36 std::notify_all_at_thread_exit(cv, std::move(lk)); 37 std::this_thread::sleep_for(ms(300)); 38 } 39 main(int,char **)40int main(int, char**) 41 { 42 std::unique_lock<std::mutex> lk(mut); 43 std::thread t = support::make_test_thread(func); 44 Clock::time_point t0 = Clock::now(); 45 cv.wait(lk); 46 Clock::time_point t1 = Clock::now(); 47 assert(t1-t0 > ms(250)); 48 t.join(); 49 50 return 0; 51 } 52