| 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 | |
| 33 | void 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(rtime: ms(300)); |
| 38 | } |
| 39 | |
| 40 | int 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(lock&: lk); |
| 46 | Clock::time_point t1 = Clock::now(); |
| 47 | assert(t1-t0 > ms(250)); |
| 48 | t.join(); |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 |