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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* expirelist.h List of stuff that expires
*
* Copyright (C) 2003 Red Hat, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef BUS_EXPIRE_LIST_H
#define BUS_EXPIRE_LIST_H
#include <dbus/dbus.h>
#include <dbus/dbus-list.h>
#include <dbus/dbus-mainloop.h>
typedef struct BusExpireList BusExpireList;
typedef struct BusExpireItem BusExpireItem;
typedef dbus_bool_t (* BusExpireFunc) (BusExpireList *list,
DBusList *link,
void *data);
/* embed this in a child expire item struct */
struct BusExpireItem
{
long added_tv_sec; /**< Time we were added (seconds component) */
long added_tv_usec; /**< Time we were added (microsec component) */
};
BusExpireList* bus_expire_list_new (DBusLoop *loop,
int expire_after,
BusExpireFunc expire_func,
void *data);
void bus_expire_list_free (BusExpireList *list);
void bus_expire_list_recheck_immediately (BusExpireList *list);
void bus_expire_list_remove_link (BusExpireList *list,
DBusList *link);
dbus_bool_t bus_expire_list_remove (BusExpireList *list,
BusExpireItem *item);
DBusList* bus_expire_list_get_first_link (BusExpireList *list);
DBusList* bus_expire_list_get_next_link (BusExpireList *list,
DBusList *link);
dbus_bool_t bus_expire_list_add (BusExpireList *list,
BusExpireItem *item);
void bus_expire_list_add_link (BusExpireList *list,
DBusList *link);
dbus_bool_t bus_expire_list_contains_item (BusExpireList *list,
BusExpireItem *item);
void bus_expire_list_unlink (BusExpireList *list,
DBusList *link);
/* this macro and function are semi-related utility functions, not really part of the
* BusExpireList API
*/
#define ELAPSED_MILLISECONDS_SINCE(orig_tv_sec, orig_tv_usec, \
now_tv_sec, now_tv_usec) \
(((double) (now_tv_sec) - (double) (orig_tv_sec)) * 1000.0 + \
((double) (now_tv_usec) - (double) (orig_tv_usec)) / 1000.0)
void bus_expire_timeout_set_interval (DBusTimeout *timeout,
int next_interval);
#endif /* BUS_EXPIRE_LIST_H */
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