/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons
 * to whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
 * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Except as contained in this notice, the name of a copyright holder
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 */

Solaris X servers use mode 0775 to restrict creation of sockets/pipes to
uid or gid 0 processes.

diff -urp -x '*~' -x '*.orig' Xtranssock.c Xtranssock.c
--- Xtranssock.c	2008-10-07 09:15:45.520783000 -0700
+++ Xtranssock.c	2008-10-07 09:15:45.707795000 -0700
@@ -1085,6 +1085,9 @@ TRANS(SocketUNIXCreateListener) (XtransC
     oldUmask = umask (0);
 
 #ifdef UNIX_DIR
+# ifdef XSERV_t
+    mode = 0775;	/* Solaris restricts /tmp/.X11-unix to uid/gid 0 */
+# endif
 #ifdef HAS_STICKY_DIR_BIT
     mode = 01777;
 #else