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From 7c30ba2d034050e8e7d1776ea7541495bdf898b3 Mon Sep 17 00:00:00 2001
From: Owen W. Taylor <otaylor@fishsoup.net>
Date: Fri, 20 Nov 2009 10:42:07 -0500
Subject: [PATCH] Handle XError and XIOError for unknown displays
The atk-bridge GTK+ module opens its own display; if we get an
XIOError on that display, we shouldn't abort with a meta_bug()
but just exit normally. Also fix a segfault if we got an XError
for that display.
---
src/core/errors.c | 13 +++++--------
1 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/src/core/errors.c b/src/core/errors.c
index 8de4608..59f9c71 100644
--- a/src/core/errors.c
+++ b/src/core/errors.c
@@ -222,10 +222,10 @@ x_error_handler (Display *xdisplay,
display = meta_display_for_x_display (xdisplay);
- /* Display can be NULL here because the compositing manager
- * has its own Display, but Xlib only has one global error handler
+ /* Display can be NULL here Xlib only has one global error handler; and
+ * there might be other displays open in the process.
*/
- if (display->error_traps > 0)
+ if (display && display->error_traps > 0)
{
/* we're in an error trap, chain to the trap handler
* saved from GDK
@@ -264,21 +264,18 @@ x_io_error_handler (Display *xdisplay)
display = meta_display_for_x_display (xdisplay);
- if (display == NULL)
- meta_bug ("IO error received for unknown display?\n");
-
if (errno == EPIPE)
{
meta_warning (_("Lost connection to the display '%s';\n"
"most likely the X server was shut down or you killed/destroyed\n"
"the window manager.\n"),
- display->name);
+ display ? display->name : DisplayString (xdisplay));
}
else
{
meta_warning (_("Fatal IO error %d (%s) on display '%s'.\n"),
errno, g_strerror (errno),
- display->name);
+ display ? display->name : DisplayString (xdisplay));
}
/* Xlib would force an exit anyhow */
--
1.6.5.2
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