From 6c42c8c356be305dc7f3f92ad8d58675da8c2f07 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 14 Apr 2010 10:51:41 +1000
Subject: [PATCH] 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>
---
 xkb/ddxDevBtn.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xkb/ddxDevBtn.c b/xkb/ddxDevBtn.c
index 3bee84b1e..b8a222d0b 100644
--- a/xkb/ddxDevBtn.c
+++ b/xkb/ddxDevBtn.c
@@ -64,11 +64,12 @@ XkbDDXFakeDeviceButton(DeviceIntPtr dev,Bool press,int button)
         return;
 
     events = InitEventList(GetMaximumEventsNum());
+    OsBlockSignals();
     nevents = GetPointerEvents(events, ptr,
                                press ? ButtonPress : ButtonRelease, button,
                                0 /* flags */, 0 /* first */,
                                0 /* num_val */, NULL);
-
+    OsReleaseSignals();
 
     for (i = 0; i < nevents; i++)
         mieqProcessDeviceEvent(ptr, (InternalEvent*)events[i].event, NULL);