libosmocore 0.9.6-23.20170220git32ee5af8.fc42
Osmocom core library
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timer.h
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1/*
2 * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
3 * All Rights Reserved
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 */
20
29#pragma once
30
31#include <sys/time.h>
32#include <stdbool.h>
33
35#include <osmocom/core/linuxrbtree.h>
36
55 struct rb_node node;
57 struct timeval timeout;
58 unsigned int active : 1;
60 void (*cb)(void*);
61 void *data;
62};
63
68void osmo_timer_add(struct osmo_timer_list *timer);
69
70void osmo_timer_schedule(struct osmo_timer_list *timer, int seconds, int microseconds);
71
72void osmo_timer_del(struct osmo_timer_list *timer);
73
74int osmo_timer_pending(struct osmo_timer_list *timer);
75
76int osmo_timer_remaining(const struct osmo_timer_list *timer,
77 const struct timeval *now,
78 struct timeval *remaining);
79/*
80 * internal timer list management
81 */
82struct timeval *osmo_timers_nearest(void);
83void osmo_timers_prepare(void);
84int osmo_timers_update(void);
85int osmo_timers_check(void);
86
87int osmo_gettimeofday(struct timeval *tv, struct timezone *tz);
88
94extern struct timeval osmo_gettimeofday_override_time;
95void osmo_gettimeofday_override_add(time_t secs, suseconds_t usecs);
96
int osmo_timer_remaining(const struct osmo_timer_list *timer, const struct timeval *now, struct timeval *remaining)
compute the remaining time of a timer
Definition timer.c:139
int osmo_timer_pending(struct osmo_timer_list *timer)
check if given timer is still pending
Definition timer.c:125
void osmo_timer_del(struct osmo_timer_list *timer)
delete a timer from timer management
Definition timer.c:107
void osmo_timers_prepare(void)
Find the nearest time and update nearest_p.
Definition timer.c:191
struct timeval * osmo_timers_nearest(void)
Determine time between now and the nearest timer.
Definition timer.c:166
int osmo_gettimeofday(struct timeval *tv, struct timezone *tz)
shim around gettimeofday to be able to set the time manually. To override, set osmo_gettimeofday_over...
Definition timer_gettimeofday.c:39
void osmo_timer_add(struct osmo_timer_list *timer)
add a new timer to the timer management
Definition timer.c:71
void osmo_timer_schedule(struct osmo_timer_list *timer, int seconds, int microseconds)
schedule a timer at a given future relative time
Definition timer.c:90
bool osmo_gettimeofday_override
Definition timer_gettimeofday.c:33
int osmo_timers_check(void)
Check how many timers we have in the system.
Definition timer.c:255
int osmo_timers_update(void)
fire all timers... and remove them
Definition timer.c:209
void osmo_gettimeofday_override_add(time_t secs, suseconds_t usecs)
convenience function to advance the fake time. Add the given values to osmo_gettimeofday_override_tim...
Definition timer_gettimeofday.c:51
Simple doubly linked list implementation.
(double) linked list header structure
Definition linuxlist.h:47
A structure representing a single instance of a timer.
Definition timer.h:54
struct llist_head list
internal list header
Definition timer.h:56
unsigned int active
is it active?
Definition timer.h:58
struct rb_node node
rb-tree node header
Definition timer.h:55
void(* cb)(void *)
call-back called at timeout
Definition timer.h:60
void * data
user data for callback
Definition timer.h:61
struct timeval timeout
expiration time
Definition timer.h:57
Definition linuxrbtree.h:100