+/* Return the session id or -1 if unknown */
+static int find_session_by_so(
+ int svi_max_percon,
+ int conn_id,
+ sort_op *so )
+{
+ int sess_id;
+ if (so == NULL) {
+ return -1;
+ }
+ for (sess_id = 0; sess_id < svi_max_percon; sess_id++) {
+ if ( sort_conns[conn_id] && sort_conns[conn_id][sess_id] == so )
+ return sess_id;
+ }
+ return -1;
+}
+
+/* Return the session id or -1 if unknown */
+static int find_session_by_context(
+ int svi_max_percon,
+ int conn_id,
+ unsigned long vc_context,
+ PagedResultsCookie ps_cookie )
+{
+ int sess_id;
+ for(sess_id = 0; sess_id < svi_max_percon; sess_id++) {
+ if( sort_conns[conn_id] && sort_conns[conn_id][sess_id] &&
+ ( sort_conns[conn_id][sess_id]->so_vcontext == vc_context ||
+ (PagedResultsCookie) sort_conns[conn_id][sess_id]->so_tree == ps_cookie ) )
+ return sess_id;
+ }
+ return -1;
+}
+
+static int find_next_session(
+ int svi_max_percon,
+ int conn_id )
+{
+ int sess_id;
+ assert(sort_conns[conn_id] != NULL);
+ for(sess_id = 0; sess_id < svi_max_percon; sess_id++) {
+ if(!sort_conns[conn_id][sess_id]) {
+ return sess_id;
+ }
+ }
+ if (sess_id >= svi_max_percon) {
+ return -1;
+ } else {
+ return sess_id;
+ }
+}
+