make shure invalid session fd's don't get set into the central select.

[citadel.git] / citadel / sysdep.c

diff --git a/citadel/sysdep.c b/citadel/sysdep.c
index 74330fe12f914b75e91510437565c63d9d473f30..1c7df5e9c4857333406d8e68a7aa3a96cf57bc4c 100644 (file)
--- a/citadel/sysdep.c
+++ b/citadel/sysdep.c
@@ -1266,11 +1266,13 @@ do_select:      force_purge = 0;
                begin_critical_section(S_SESSION_TABLE);
                for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
                        int client_socket;
+                       if ((ptr->state == CON_SYS) && (ptr->client_socket == 0))
+                           continue;
                        client_socket = ptr->client_socket;
                        /* Dont select on dead sessions only truly idle ones */
                        if ((ptr->state == CON_IDLE) && 
                            (CC->kill_me == 0) &&
-                           (client_socket != -1))
+                           (client_socket > 0))
                        {
                                FD_SET(client_socket, &readfds);
                                if (client_socket > highest)