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// Copyright (C) 2019-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++2a -pthread" }
// { dg-add-options libatomic }
// { dg-do run }
// { dg-require-effective-target c++2a }
// { dg-require-effective-target pthread }
#include <condition_variable>
#include <thread>
#include <mutex>
#include <chrono>
#include <testsuite_hooks.h>
using namespace::std::literals;
void test_wait_stop()
{
bool ready = false;
std::mutex mtx;
std::condition_variable_any cv;
std::stop_source src;
auto tok = src.get_token();
std::thread t([&ready, &mtx, &cv, tok]
{
std::unique_lock lck(mtx);
auto res = cv.wait(lck, tok, [&ready] { return ready; });
if (!res)
{
VERIFY(tok.stop_requested());
}
});
std::this_thread::sleep_for(0.5s);
VERIFY(!src.stop_requested());
src.request_stop();
t.join();
VERIFY(src.stop_requested());
}
void test_wait_until(bool ck = true)
{
bool ready = false;
std::mutex mtx;
std::condition_variable_any cv;
std::stop_source src;
auto abst = std::chrono::steady_clock::now() + 1.0s;
auto tok = src.get_token();
std::thread t([ck, &ready, &mtx, &cv, abst, tok]
{
std::unique_lock lck(mtx);
auto res = cv.wait_until(lck, tok, abst, [&ready] { return ready; });
if (!res && ck)
{
VERIFY(tok.stop_requested());
}
});
if (ck)
{
std::this_thread::sleep_for(0.5s);
VERIFY(!src.stop_requested());
src.request_stop();
t.join();
VERIFY(src.stop_requested());
}
else
{
std::this_thread::sleep_for(1.5s);
t.join();
VERIFY(!src.stop_requested());
}
}
void test_wait_for(bool ck = true)
{
bool ready = false;
std::mutex mtx;
std::condition_variable_any cv;
std::stop_source src;
auto tok = src.get_token();
std::thread t([ck, &ready, &mtx, &cv, tok]
{
std::unique_lock lck(mtx);
auto res = cv.wait_for(lck, tok, 1.0s, [&ready] { return ready; });
if (!res && ck)
{
VERIFY(tok.stop_requested());
}
});
if (ck)
{
std::this_thread::sleep_for(0.5s);
VERIFY(!src.stop_requested());
src.request_stop();
t.join();
VERIFY(src.stop_requested());
}
else
{
std::this_thread::sleep_for(1.5s);
t.join();
VERIFY(!src.stop_requested());
};
}
int main()
{
test_wait_stop();
test_wait_until(false);
test_wait_until();
test_wait_for();
test_wait_for(false);
return 0;
}
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