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fix: prevent crash during static destruction of DPluginLoader #1448

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fix: prevent crash during static destruction of DPluginLoader #1448

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14 changes: 12 additions & 2 deletions frame/pluginloader.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
// SPDX-FileCopyrightText: 2023 - 2026 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later

Expand Down Expand Up @@ -229,7 +229,17 @@ DPluginLoader::DPluginLoader()

DPluginLoader::~DPluginLoader()
{
destroy();
// 防止在 Qt 全局资源清理后析构导致崩溃
// 当作为 Q_APPLICATION_STATIC 静态对象时，析构可能发生在 Qt 全局资源清理之后
// 此时子 Applet 的析构可能访问已清理的 Qt 全局资源（如 QThreadStorage）
if (qApp && !QCoreApplication::closingDown()) {
// 正常情况：在 aboutToQuit 中调用的 destroy()，Qt 资源有效
destroy();
} else {
// 异常情况：静态析构阶段，Qt 全局资源可能已清理
// 不调用 destroy()，避免触发子对象析构
// 内存泄漏无关紧要，程序即将退出，操作系统会回收所有资源
}
}

DPluginLoader *DPluginLoader::instance()
Expand Down