diff options
| -rw-r--r-- | src/corelib/plugin/qfactoryloader.cpp | 6 | ||||
| -rw-r--r-- | src/corelib/plugin/qpluginloader.cpp | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/src/corelib/plugin/qfactoryloader.cpp b/src/corelib/plugin/qfactoryloader.cpp index dcf1b1a81d..b6558f5834 100644 --- a/src/corelib/plugin/qfactoryloader.cpp +++ b/src/corelib/plugin/qfactoryloader.cpp @@ -208,10 +208,12 @@ void QFactoryLoader::update() ++keyUsageCount; } } - if (keyUsageCount || keys.isEmpty()) + if (keyUsageCount || keys.isEmpty()) { + library->setLoadHints(QLibrary::PreventUnloadHint); // once loaded, don't unload d->libraryList += library; - else + } else { library->release(); + } } } #else diff --git a/src/corelib/plugin/qpluginloader.cpp b/src/corelib/plugin/qpluginloader.cpp index 37f2368413..0ea8280fef 100644 --- a/src/corelib/plugin/qpluginloader.cpp +++ b/src/corelib/plugin/qpluginloader.cpp @@ -148,6 +148,7 @@ QPluginLoader::QPluginLoader(const QString &fileName, QObject *parent) : QObject(parent), d(0), did_load(false) { setFileName(fileName); + setLoadHints(QLibrary::PreventUnloadHint); } /*! @@ -342,7 +343,7 @@ static QString locatePlugin(const QString& fileName) void QPluginLoader::setFileName(const QString &fileName) { #if defined(QT_SHARED) - QLibrary::LoadHints lh; + QLibrary::LoadHints lh = QLibrary::PreventUnloadHint; if (d) { lh = d->loadHints(); d->release(); @@ -391,7 +392,7 @@ Q_GLOBAL_STATIC(StaticPluginList, staticPluginList) \brief Give the load() function some hints on how it should behave. You can give hints on how the symbols in the plugin are - resolved. By default, none of the hints are set. + resolved. By default since Qt 5.7, QLibrary::PreventUnloadHint is set. See the documentation of QLibrary::loadHints for a complete description of how this property works. |