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fix: Listen for SIGTERM and exit the application gracefully. #444

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Merged
deepin-bot merged 1 commit into from
Jan 22, 2026
Merged

fix: Listen for SIGTERM and exit the application gracefully. #444

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12 changes: 8 additions & 4 deletions src/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -125,15 +125,16 @@ static bool CheckFFmpegEnv()
static void handleSignal(int sig)
{
qWarning() << "Received signal:" << sig;
exit(0);
// 在HW机器、SW机器上，发现使用exit(0)退出会导致Qt某些函数空指针异常，从而导致崩溃，疑似在资源回收环节出了问题。所以我们使用QApplication::quit()更优雅地退出。
QTimer::singleShot(0, qApp, []() {
QApplication::quit();
});
//exit(0);
}

int main(int argc, char *argv[])
{
qInfo() << "Starting deepin-camera application...";
// 注册信号处理函数
signal(SIGTERM, handleSignal); // kill默认发送的信号

// Task 326583 不参与合成器崩溃重连
unsetenv("QT_WAYLAND_RECONNECT");

Expand Down Expand Up @@ -250,6 +251,9 @@ int main(int argc, char *argv[])
qDebug() << "LUT_DIR: " << lutDir;
qDebug() << QString("Filter initialization completed in %1 ms").arg(time.elapsed());
CApplication a(argc, argv);
// 注册信号处理函数
// 放在此处，是为了确保Application已经创建了实例
signal(SIGTERM, handleSignal); // kill默认发送的信号

qApp->setObjectName("deepin-camera");
#ifndef __mips__
Expand Down