Added a callback function that reports changes to the size of the

output queue.

src/libraries/libisc-new/ChangeLog

 2003-08-01  Per Cederqvist  <ceder@ceder.dyndns.org>
 
+	Added a callback function that reports changes to the size of the
+	output queue.
+	* src/isc.h (isc_write_queue_change_cb): New typedef.
+	(isc_initialize): New argument: the write_change_cb.
+	* src/intern.h (struct isc_mcb): Added write_change_cb.
+	(isc_killqueue): Now returns an int: the number of payload bytes
+	in the killed queue.
+	* src/isc_session.c (isc_destroy): Inform the write change
+	callback function of changes in the pending output queue size.
+	* src/isc_queue.c (isc_killqueue): Now returns an int: the number
+	of payload bytes in the killed queue.
+	* src/isc_output.c (isc_flush): Inform the write change callback
+	function of changes in the pending output queue size.
+	(isc_oflush): Ditto.
+	* src/isc_master.c (isc_initialize): New argument:
+	write_change_cb.
+
 	Don't fail to unregister the stale timeout during shutdown.
 	* src/isc_session.c (isc_set_read_callback): Call
 	isc_cancel_stale_output_callback().  Removed redundant checks.