From: Wilfried Göesgens <willi@citadel.org>
Date: Sat, 13 Feb 2010 00:01:30 +0000 (+0000)
Subject: * check whether the FD got fuxored meanwhile before adding it to the select set
X-Git-Tag: v7.86~433
X-Git-Url: https://code.citadel.org/?a=commitdiff_plain;h=ee7c95aac36f4b6b5571be23dc6021f7c65cc61b;p=citadel.git

* check whether the FD got fuxored meanwhile before adding it to the select set
---

diff --git a/citadel/sysdep.c b/citadel/sysdep.c
index d75b27773..855b5baca 100644
--- a/citadel/sysdep.c
+++ b/citadel/sysdep.c
@@ -970,7 +970,10 @@ do_select:	force_purge = 0;
 		begin_critical_section(S_SESSION_TABLE);
 		for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
 			/* Dont select on dead sessions only truly idle ones */
-			if ((ptr->state == CON_IDLE) && (CC->kill_me == 0)) {
+			if ((ptr->state == CON_IDLE) && 
+			    (CC->kill_me == 0) &&
+			    (ptr->client_socket != -1))
+			{
 				FD_SET(ptr->client_socket, &readfds);
 				if (ptr->client_socket > highest)
 					highest = ptr->client_socket;