===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/server.c,v
retrieving revision 1.142
retrieving revision 1.143
diff -u -r1.142 -r1.143
--- src/usr.bin/tmux/server.c	2015/10/22 10:48:30	1.142
+++ src/usr.bin/tmux/server.c	2015/10/23 16:07:29	1.143
@@ -1,4 +1,4 @@
-/* $OpenBSD: server.c,v 1.142 2015/10/22 10:48:30 nicm Exp $ */
+/* $OpenBSD: server.c,v 1.143 2015/10/23 16:07:29 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -177,6 +177,10 @@
 		return (pair[0]);
 	}
 	close(pair[0]);
+
+	if (pledge("stdio rpath wpath cpath fattr unix recvfd proc exec tty "
+	    "ps", NULL) != 0)
+		fatal("pledge failed");
 
 	/*
 	 * Must daemonise before loading configuration as the PID changes so