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xkb: Guard against SIGIO updates during PointerKeys. 

In theory, an event coming in during GPE could reset our lastSlave, leading
to rather interesting events lateron.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Simon Thum <simon.thum@gmx.de>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
This commit is contained in:
Peter Hutterer 2010-04-14 10:51:41 +10:00
parent 108457dff8
commit 6c42c8c356
1 changed files with 2 additions and 1 deletions
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3
xkb/ddxDevBtn.c
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@ -64,11 +64,12 @@ XkbDDXFakeDeviceButton(DeviceIntPtr dev,Bool press,int button)
return; return;
events = InitEventList(GetMaximumEventsNum()); events = InitEventList(GetMaximumEventsNum());
OsBlockSignals();
nevents = GetPointerEvents(events, ptr, nevents = GetPointerEvents(events, ptr,
press ? ButtonPress : ButtonRelease, button, press ? ButtonPress : ButtonRelease, button,
0 /* flags */, 0 /* first */, 0 /* flags */, 0 /* first */,
0 /* num_val */, NULL); 0 /* num_val */, NULL);
OsReleaseSignals();
for (i = 0; i < nevents; i++) for (i = 0; i < nevents; i++)
mieqProcessDeviceEvent(ptr, (InternalEvent*)events[i].event, NULL); mieqProcessDeviceEvent(ptr, (InternalEvent*)events[i].event, NULL);