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4c658af0b8
On 32 bit systems long will overflow in 2038, causing complete breakage. This is confirmed by running dbus's test suite on a 32 bit system with system time set to 2040 (and configured to use 64 bit time_t of course). Note that both timespec and timeval are specified with time_t for the seconds component. This should propagate everywhere where that data is passed and stored, but previously _dbus_get_monotonic_time() and _dbus_get_monotonic_time() would truncate it to long. Also add a function for parsing dbus_int64_t from files, as existing functions can only handle long. Signed-off-by: Alexander Kanavin <alex@linutronix.de>
82 lines
3.6 KiB
C
82 lines
3.6 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* expirelist.h List of stuff that expires
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*
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* Copyright (C) 2003 Red Hat, Inc.
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*
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* SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
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*
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* Licensed under the Academic Free License version 2.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef BUS_EXPIRE_LIST_H
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#define BUS_EXPIRE_LIST_H
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#include <dbus/dbus.h>
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#include <dbus/dbus-list.h>
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#include <dbus/dbus-mainloop.h>
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typedef struct BusExpireList BusExpireList;
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typedef struct BusExpireItem BusExpireItem;
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typedef dbus_bool_t (* BusExpireFunc) (BusExpireList *list,
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DBusList *link,
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void *data);
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/* embed this in a child expire item struct */
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struct BusExpireItem
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{
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dbus_int64_t added_tv_sec; /**< Time we were added (seconds component) */
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long added_tv_usec; /**< Time we were added (microsec component) */
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};
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BusExpireList* bus_expire_list_new (DBusLoop *loop,
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int expire_after,
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BusExpireFunc expire_func,
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void *data);
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void bus_expire_list_free (BusExpireList *list);
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void bus_expire_list_recheck_immediately (BusExpireList *list);
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void bus_expire_list_remove_link (BusExpireList *list,
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DBusList *link);
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dbus_bool_t bus_expire_list_remove (BusExpireList *list,
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BusExpireItem *item);
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DBusList* bus_expire_list_get_first_link (BusExpireList *list);
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DBusList* bus_expire_list_get_next_link (BusExpireList *list,
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DBusList *link);
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dbus_bool_t bus_expire_list_add (BusExpireList *list,
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BusExpireItem *item);
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void bus_expire_list_add_link (BusExpireList *list,
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DBusList *link);
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dbus_bool_t bus_expire_list_contains_item (BusExpireList *list,
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BusExpireItem *item);
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void bus_expire_list_unlink (BusExpireList *list,
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DBusList *link);
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/* this macro and function are semi-related utility functions, not really part of the
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* BusExpireList API
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*/
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#define ELAPSED_MILLISECONDS_SINCE(orig_tv_sec, orig_tv_usec, \
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now_tv_sec, now_tv_usec) \
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(((double) (now_tv_sec) - (double) (orig_tv_sec)) * 1000.0 + \
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((double) (now_tv_usec) - (double) (orig_tv_usec)) / 1000.0)
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void bus_expire_timeout_set_interval (DBusTimeout *timeout,
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int next_interval);
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#endif /* BUS_EXPIRE_LIST_H */
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