| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: libcpp-has-no-threads |
| |
| // notify_all_at_thread_exit(...) requires move semantics to transfer the |
| // unique_lock. |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <condition_variable> |
| |
| // void |
| // notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk); |
| |
| #include <condition_variable> |
| #include <mutex> |
| #include <thread> |
| #include <chrono> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| std::condition_variable cv; |
| std::mutex mut; |
| |
| typedef std::chrono::milliseconds ms; |
| typedef std::chrono::high_resolution_clock Clock; |
| |
| void func() |
| { |
| std::unique_lock<std::mutex> lk(mut); |
| std::notify_all_at_thread_exit(cv, std::move(lk)); |
| std::this_thread::sleep_for(ms(300)); |
| } |
| |
| int main(int, char**) |
| { |
| std::unique_lock<std::mutex> lk(mut); |
| std::thread t(func); |
| Clock::time_point t0 = Clock::now(); |
| cv.wait(lk); |
| Clock::time_point t1 = Clock::now(); |
| assert(t1-t0 > ms(250)); |
| t.join(); |
| |
| return 0; |
| } |