1 /* -*- mode: C; c-file-style: "gnu" -*- */

     2 /* expirelist.h  List of stuff that expires

     3  *

     4  * Copyright (C) 2003  Red Hat, Inc.

     5  * Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

     6  * Licensed under the Academic Free License version 2.1

     7  *

     8  * This program is free software; you can redistribute it and/or modify

     9  * it under the terms of the GNU General Public License as published by

    10  * the Free Software Foundation; either version 2 of the License, or

    11  * (at your option) any later version.

    12  *

    13  * This program is distributed in the hope that it will be useful,

    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    16  * GNU General Public License for more details.

    17  *

    18  * You should have received a copy of the GNU General Public License

    19  * along with this program; if not, write to the Free Software

    20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    21  *

    22  */

    23 

    24 #ifndef BUS_EXPIRE_LIST_H

    25 #define BUS_EXPIRE_LIST_H

    26 

    27 #include <dbus/dbus.h>

    28 #ifndef __SYMBIAN32__

    29 #include <dbus/dbus-list.h>

    30 #include <dbus/dbus-mainloop.h>

    31 #else

    32 #include "dbus-list.h"

    33 #include "dbus-mainloop.h"

    34 #endif //__SYMBIAN32

    35 

    36 typedef struct BusExpireList BusExpireList;

    37 typedef struct BusExpireItem BusExpireItem;

    38 

    39 typedef dbus_bool_t (* BusExpireFunc) (BusExpireList *list,

    40                                        DBusList      *link,

    41                                        void          *data);

    42 

    43 struct BusExpireList

    44 {

    45   DBusList      *items; /**< List of BusExpireItem */

    46   DBusTimeout   *timeout;

    47   DBusLoop      *loop;

    48   BusExpireFunc  expire_func;

    49   void          *data;

    50   int            expire_after; /**< Expire after milliseconds (thousandths) */

    51 };

    52 

    53 /* embed this in a child expire item struct */

    54 struct BusExpireItem

    55 {

    56   long added_tv_sec;  /**< Time we were added (seconds component) */

    57   long added_tv_usec; /**< Time we were added (microsec component) */

    58 };

    59 

    60 BusExpireList* bus_expire_list_new    (DBusLoop      *loop,

    61                                        int            expire_after,

    62                                        BusExpireFunc  expire_func,

    63                                        void          *data);

    64 void           bus_expire_list_free   (BusExpireList *list);

    65 

    66 #define ELAPSED_MILLISECONDS_SINCE(orig_tv_sec, orig_tv_usec,   \

    67                                    now_tv_sec, now_tv_usec)     \

    68  (((double) (now_tv_sec) - (double) (orig_tv_sec)) * 1000.0 +   \

    69  ((double) (now_tv_usec) - (double) (orig_tv_usec)) / 1000.0)

    70 

    71 void bus_expire_timeout_set_interval (DBusTimeout *timeout,

    72                                       int          next_interval);

    73 

    74 #endif /* BUS_EXPIRE_LIST_H */