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git.proxmox.com Git - mirror_frr.git/blob - lib/wheel.h
3 * Copyright (C) 2016 Cumulus Networks, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
26 struct thread_master
*master
;
30 unsigned int nexttime
;
31 unsigned int slots_to_skip
;
33 struct list
**wheel_slot_lists
;
36 * Key to determine what slot the item belongs in
38 unsigned int (*slot_key
) (void *);
40 void (*slot_run
) (void *);
43 struct timer_wheel
*wheel_init (struct thread_master
*master
, int period
, size_t slots
,
44 unsigned int (*slot_key
) (void *),
45 void (*slot_run
) (void *));
46 void wheel_delete (struct timer_wheel
*);
49 * Pause the Wheel from running
51 int wheel_stop (struct timer_wheel
*wheel
);
54 * Start the wheel from running again
56 int wheel_start (struct timer_wheel
*wheel
);
59 * Add item to a slot setup by the slot_key,
60 * possibly change next time pop.
62 int wheel_add_item (struct timer_wheel
*wheel
, void *item
);
65 * Remove a item to a slot setup by the slot_key,
66 * possibly change next time pop.
68 int wheel_remove_item (struct timer_wheel
*wheel
, void *item
);