tint2/src/util/timer.h
thilor77 7ee42e8ca1 SIGUSR1 does now a full restat of tint2
git-svn-id: http://tint2.googlecode.com/svn/trunk@424 121b4492-b84c-0410-8b4c-0d4edfb3f3cc
2010-04-18 14:28:45 +00:00

63 lines
2.3 KiB
C

/**************************************************************************
*
* Copyright (C) 2009 Andreas.Fink (Andreas.Fink85@gmail.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 TIMER_H
#define TIMER_H
#include <glib.h>
extern GSList* timeout_list;
extern struct timeval next_timeout;
typedef struct _timeout timeout;
// timer functions
/**
* Single shot timer (i.e. timer with interval_msec == 0) are deleted automatically as soon as they expire
* i.e. you do not need to stop them, however it is safe to call stop_timeout for these timers.
* Periodic timeouts are aligned to each other whenever possible, i.e. one interval_msec is an
* integral multiple of the other.
**/
/** default global data **/
void default_timeout();
/** freed memory : stops all timeouts **/
void cleanup_timeout();
/** installs a timeout with the first timeout of 'value_msec' and then a periodic timeout with
* 'interval_msec'. '_callback' is the callback function when the timer reaches the timeout.
* returns a pointer to the timeout, which is needed for stopping it again
**/
timeout* add_timeout(int value_msec, int interval_msec, void (*_callback)(void*), void* arg);
/** changes timeout 't'. If timeout 't' does not exist, nothing happens **/
void change_timeout(timeout* t, int value_msec, int interval_msec, void (*_callback)(void*), void* arg);
/** stops the timeout 't' **/
void stop_timeout(timeout* t);
/** update_next_timeout updates next_timeout to the value, when the next installed timeout will expire **/
void update_next_timeout();
/** Callback of all expired timeouts **/
void callback_timeout_expired();
#endif // TIMER_H