diff options
Diffstat (limited to 'src/dbus/qdbusconnection.cpp')
| -rw-r--r-- | src/dbus/qdbusconnection.cpp | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/src/dbus/qdbusconnection.cpp b/src/dbus/qdbusconnection.cpp index da7557d7e8..f95cc3a15d 100644 --- a/src/dbus/qdbusconnection.cpp +++ b/src/dbus/qdbusconnection.cpp @@ -69,10 +69,6 @@ QT_BEGIN_NAMESPACE -#ifdef Q_OS_WIN -static void preventDllUnload(); -#endif - Q_GLOBAL_STATIC(QDBusConnectionManager, _q_manager) struct QDBusConnectionManager::ConnectionRequestData @@ -143,10 +139,6 @@ QDBusConnectionManager::QDBusConnectionManager() this, &QDBusConnectionManager::createServer, Qt::BlockingQueuedConnection); moveToThread(this); // ugly, don't do this in other projects -#ifdef Q_OS_WIN - // prevent the library from being unloaded on Windows. See comments in the function. - preventDllUnload(); -#endif defaultBuses[0] = defaultBuses[1] = Q_NULLPTR; start(); } @@ -1270,31 +1262,4 @@ QByteArray QDBusConnection::localMachineId() QT_END_NAMESPACE -#ifdef Q_OS_WIN -# include <qt_windows.h> - -QT_BEGIN_NAMESPACE -static void preventDllUnload() -{ - // Thread termination is really wacky on Windows. For some reason we don't - // understand, exiting from the thread may try to unload the DLL. Since the - // QDBusConnectionManager thread runs until the DLL is unloaded, we've got - // a deadlock: the main thread is waiting for the manager thread to exit, - // but the manager thread is attempting to acquire a lock to unload the DLL. - // - // We work around the issue by preventing the unload from happening in the - // first place. - // - // For this trick, see - // https://blogs.msdn.microsoft.com/oldnewthing/20131105-00/?p=2733 - - static HMODULE self; - GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | - GET_MODULE_HANDLE_EX_FLAG_PIN, - reinterpret_cast<const wchar_t *>(&self), // any address in this DLL - &self); -} -QT_END_NAMESPACE -#endif - #endif // QT_NO_DBUS |