diff options
| author | Thiago Macieira <thiago.macieira@intel.com> | 2017-08-11 12:01:12 -0700 |
|---|---|---|
| committer | Thiago Macieira <thiago.macieira@intel.com> | 2017-08-16 15:52:02 +0000 |
| commit | cdc79f5ebc0ec1898e3845acb9c880b5e69e593b (patch) | |
| tree | 18f2b3a12d77d33b6cc859b502358976c169264d /src/plugins/platforms/xcb/qxcbconnection.cpp | |
| parent | baf1158c48c3342f4e90d83c3b93236535aac285 (diff) | |
XCB: Don't core-dump if we can't connect to the X displayName
Exit with error, but don't crash.
Change-Id: Ie05c6480d8a44fda817ffffd14d9dfd8c951beef
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.cpp | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index e167ba1231..d36a14b920 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -571,9 +571,10 @@ QXcbConnection::QXcbConnection(QXcbNativeInterface *nativeInterface, bool canGra m_connection = xcb_connect(m_displayName.constData(), &m_primaryScreenNumber); #endif // QT_CONFIG(xcb_xlib) - if (Q_UNLIKELY(!m_connection || xcb_connection_has_error(m_connection))) - qFatal("QXcbConnection: Could not connect to display %s", m_displayName.constData()); - + if (Q_UNLIKELY(!m_connection || xcb_connection_has_error(m_connection))) { + qCWarning(lcQpaScreen, "QXcbConnection: Could not connect to display %s", m_displayName.constData()); + return; + } m_reader = new QXcbEventReader(this); m_reader->start(); @@ -668,7 +669,7 @@ QXcbConnection::~QXcbConnection() finalizeXInput2(); #endif - if (m_reader->isRunning()) { + if (m_reader && m_reader->isRunning()) { sendConnectionEvent(QXcbAtom::_QT_CLOSE_CONNECTION); m_reader->wait(); } @@ -685,15 +686,22 @@ QXcbConnection::~QXcbConnection() delete m_glIntegration; + if (isConnected()) { #if QT_CONFIG(xcb_xlib) - XCloseDisplay(static_cast<Display *>(m_xlib_display)); + XCloseDisplay(static_cast<Display *>(m_xlib_display)); #else - xcb_disconnect(xcb_connection()); + xcb_disconnect(xcb_connection()); #endif + } delete m_keyboard; } +bool QXcbConnection::isConnected() const +{ + return m_connection && !xcb_connection_has_error(m_connection); +} + QXcbScreen *QXcbConnection::primaryScreen() const { if (!m_screens.isEmpty()) { |