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Qt: Hook signal handlers for CTRL+C

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This commit is contained in:
Connor McLaughlin 2021-02-28 19:00:54 +10:00
parent 98be448140
commit a032d191c8
1 changed files with 25 additions and 0 deletions
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25
src/duckstation-qt/main.cpp
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@ -5,8 +5,10 @@
#include "qtutils.h"
#include <QtWidgets/QApplication>
#include <QtWidgets/QMessageBox>
#include <cstdio>
#include <cstdlib>
#include <memory>
#include <csignal>
static bool ParseCommandLineParameters(QApplication& app, QtHostInterface* host_interface,
std::unique_ptr<SystemBootParameters>* boot_params)
@ -26,6 +28,28 @@ static bool ParseCommandLineParameters(QApplication& app, QtHostInterface* host_
return host_interface->ParseCommandLineParameters(args.size(), converted_argv.data(), boot_params);
}
static void SignalHandler(int signal)
{
// First try the normal (graceful) shutdown/exit.
static bool graceful_shutdown_attempted = false;
if (!graceful_shutdown_attempted)
{
std::fprintf(stderr, "Received CTRL+C, attempting graceful shutdown. Press CTRL+C again to force.\n");
graceful_shutdown_attempted = true;
QtHostInterface::GetInstance()->requestExit();
return;
}
std::signal(signal, SIG_DFL);
std::quick_exit(1);
}
static void HookSignals()
{
std::signal(SIGINT, SignalHandler);
std::signal(SIGTERM, SignalHandler);
}
int main(int argc, char* argv[])
{
CrashHandler::Install();
@ -64,6 +88,7 @@ int main(int argc, char* argv[])
}
window->initializeAndShow();
HookSignals();
// if we're in batch mode, don't bother refreshing the game list as it won't be used
if (!host_interface->inBatchMode())