diff options
Diffstat (limited to 'src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp')
-rw-r--r-- | src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp index cb35ed398c..16f0a3f9a6 100644 --- a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp +++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp @@ -38,10 +38,13 @@ QT_BEGIN_NAMESPACE using namespace QWindowsUiAutomation; +QMutex QWindowsUiaMainProvider::m_mutex; // Returns a cached instance of the provider for a specific accessible interface. QWindowsUiaMainProvider *QWindowsUiaMainProvider::providerForAccessible(QAccessibleInterface *accessible) { + QMutexLocker locker(&m_mutex); + if (!accessible) return nullptr; @@ -240,6 +243,8 @@ ULONG QWindowsUiaMainProvider::AddRef() ULONG STDMETHODCALLTYPE QWindowsUiaMainProvider::Release() { + QMutexLocker locker(&m_mutex); + if (!--m_ref) { delete this; return 0; |