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/*
* timer_queue.h
*
* $Id$
*
* Timers and Timer Queues
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*/
#ifndef _DKTIMERS_H
#define _DKTIMERS_H
#define timer_t opl_timer_t
typedef struct timer_s timer_t;
typedef struct timer_queue_s timer_queue_t;
typedef void (*timer_callback_t) (void *arg);
typedef struct timeval timeval_t;
struct timer_s
{
timer_t * tmr_next; /* chain for activated timers */
timer_t * tmr_prev; /* chain for activated timers */
timer_queue_t * tmr_queue; /* owner */
int tmr_ref; /* reference counter */
int32 tmr_remain; /* remaining time, if activated */
TVAL tmr_interval; /* interval time for autorepeat */
int tmr_calling; /* to avoid recursive locks */
timer_callback_t tmr_callout; /* function to call when fired */
void * tmr_call_arg; /* argument to tmr_callout */
};
struct timer_queue_s
{
dk_mutex_t * tmq_lock;
timer_t tmq_active;
timeval_t tmq_measure;
};
/* Dktimers.c */
timer_queue_t *timer_queue_allocate (void);
void timer_queue_free (timer_queue_t *self);
TVAL timer_queue_time_elapsed (timer_queue_t *self);
TVAL timer_queue_update (timer_queue_t *self, TVAL elapsed);
timer_t *timer_queue_new_timer (timer_queue_t *self, TVAL msecs, TVAL interval, timer_callback_t callout, void *arg);
void timer_free (timer_t *self);
timer_t *timer_ref (timer_t *self);
void timer_unref (timer_t *self);
void timer_set (timer_t *self, TVAL msecs, TVAL interval);
int timer_isactive (timer_t *self);
void timer_activate (timer_t *self);
void timer_deactivate (timer_t *self);
#endif
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