I've traced the problem, and found out that in xdisplay.c the code
leads to a kil(-1, SIGTERM) [in fact 2^32-1).
This kills all processes down to init (or at least all processes owned by a user. And you know,
as soon as your session-manager dies, it's the end of your session ;)
Tom Sailor (the author) did actually fix the problem in his upstream version at
http://www.baycom.org/~tom/ham/linux/multimon.tar.bz2
and I confirm that his solution fixes the problem.
Tom's fix in that version is:
diff -Naur multimon-1.0/ xdisplay.c
--- multimon-1.0/xdisplay.c 2005-07-26 21:09:38.000000000 +0200
+++ xdisplay.c 2009-03-24 19:07:58.000000000 +0100
@@ -1,8 +1,8 @@
/*
* xdisplay.c -- actually displaying things
*
- * Copyright (C) 1996
- * Thomas Sailer (sailer at ife.ee.ethz.ch, hb9jnx at hb9w.che.eu)
+ * Copyright (C) 1996, 2009
+ * Thomas Sailer (t.sailer at alumni.ee.ethz.ch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -336,6 +336,8 @@
{
if (cnum < 0 || cnum >= NUMCLI)
return;
+ if (!cli[cnum].used)
+ return;
kill(cli[cnum].pid, SIGTERM);
}
@@ -403,6 +405,8 @@
if (cnum < 0 || cnum >= NUMCLI)
return 0;
+ if (!cli[cnum].used)
+ return 0;
i = read(cli[cnum].cmdfd, &c, 1);
if (i < 0 && errno != EAGAIN) {
perror("read");
73,
- Thomas dl9sau
--
multimon crashes Xorg when window is closed
https://bugs.launchpad.net/bugs/48199
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