snapcast/common/signal_handler.hpp
2019-11-03 12:40:47 +01:00

48 lines
1.3 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2014-2019 Johannes Pohl
This program 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 of the License, or
(at your option) any later version.
This program 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 program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef SIGNAL_HANDLER_HPP
#define SIGNAL_HANDLER_HPP
#include <future>
#include <set>
#include <signal.h>
static std::future<int> install_signal_handler(std::set<int> signals)
{
static std::promise<int> promise;
std::future<int> future = promise.get_future();
for (auto signal : signals)
{
::signal(signal, [](int sig) {
std::cerr << "signal: " << sig << "\n";
try
{
promise.set_value(sig);
}
catch (const std::future_error&)
{
}
});
}
return future;
}
#endif