Function finalize

src/remote/client/interface.cpp:8457–8514

static void finalize(rem_port* port)
{
/**************************************
 *
 *	f i n a l i z e
 *
 **************************************
 *
 * Functional description
 *	Disconnect remote port.
 *
 **************************************/

	// no need to do something if port already detached
	if (port->port_flags & PORT_detached)
		return;

	// Avoid async send during finalize
	RefMutexGuard guard(*port->port_write_sync, FB_FUNCTION);

	// recheck with mutex taken
	if (port->port_flags & PORT_detached)
		return;

	// Send a disconnect to the server so that it
	// gracefully terminates.

	Rdb* rdb = port->port_context;
	if (rdb)
	{
		PACKET* packet = &rdb->rdb_packet;

		// Deliver the pending deferred packets
		if (port->port_deferred_packets)
		{
			for (rem_que_packet* p = port->port_deferred_packets->begin();
				 p < port->port_deferred_packets->end();
				 p++)
			{
				if (!p->sent)
					port->send(&p->packet);
			}
		}

		packet->p_operation = op_disconnect;
		port->send(packet);

		REMOTE_free_packet(port, packet);
	}

	// Cleanup the queue

	delete port->port_deferred_packets;
	port->port_deferred_packets = nullptr;
	port->port_flags &= ~PORT_lazy;

	port->port_flags |= PORT_detached;
}