Index: termios.c
===================================================================
RCS file: /usr/local/cvsroot/rxtx-devel/src/termios.c,v
retrieving revision 1.9.2.57
diff -u -r1.9.2.57 termios.c
--- termios.c	4 Jun 2006 02:50:01 -0000	1.9.2.57
+++ termios.c	11 Jun 2006 22:17:48 -0000
@@ -1048,26 +1048,29 @@
 	if ( !first_tl )
 	{
 		port->prev = NULL;
+		port->next = NULL;
 		first_tl = port;
 	}
 	else
 	{
-		while ( index->next )
+		while ( ( index->fd < port->fd ) && index->next )
 			index = index->next;
-		if ( port == first_tl )
+		if ( index->fd > port->fd )
 		{
-			port->prev = NULL;
-			port->next = first_tl;
-			first_tl->prev = port;
-			first_tl = port;
+			/* inserting previously closed fd */
+			port->prev = index->prev; 
+			port->next=index;
+			index->prev->next = port;
+			index->prev = port;
 		}
 		else
 		{
+			/* adding to end of list */
 			port->prev = index;
+			port->next = NULL;
 			index->next = port;
 		}
 	}
-	port->next = NULL;
 	LEAVE( "add_port" );
 	return port;