andreacavalli/xserver-multidpi
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Check for clientGone before sending events from XFixes (bug #1753).

Browse Source 
Freeing resources during client closedown can cause cursor changes which
attempt to send cursor events through the XFixes extension; a client in the
process of closing down has no file to send events to, causing a crash when
this path is hit.
This commit is contained in:
Keith Packard 2007-02-19 15:28:37 -08:00
parent 4660eaaffb
commit 8a42af6a93
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
xfixes/cursor.c
View File

@ -143,7 +143,8 @@ CursorDisplayCursor (ScreenPtr pScreen,
CursorCurrent = pCursor;
for (e = cursorEvents; e; e = e->next)
{
if (e->eventMask & XFixesDisplayCursorNotifyMask)
if ((e->eventMask & XFixesDisplayCursorNotifyMask) &&
!e->pClient->clientGone)
{
xXFixesCursorNotifyEvent ev;
ev.type = XFixesEventBase + XFixesCursorNotify;

4
xfixes/select.c
View File

@ -78,7 +78,9 @@ XFixesSelectionCallback (CallbackListPtr *callbacks, pointer data, pointer args)
}
for (e = selectionEvents; e; e = e->next)
{
if (e->selection == selection->selection && (e->eventMask & eventMask))
if (e->selection == selection->selection &&
(e->eventMask & eventMask) &&
!e->pClient->clientGone)
{
xXFixesSelectionNotifyEvent ev;