83 lines
2.5 KiB
C
83 lines
2.5 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>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#include "bool.h"
|
|
|
|
extern bool debug_timers;
|
|
|
|
typedef void TimerCallback(void *arg);
|
|
|
|
typedef struct {
|
|
char name_[64];
|
|
bool enabled_;
|
|
long long expiration_time_ms_;
|
|
int period_ms_;
|
|
TimerCallback *callback_;
|
|
void *arg_;
|
|
bool handled_;
|
|
} Timer;
|
|
|
|
#define DEFAULT_TIMER {"", 0, 0, 0, 0, 0, 0}
|
|
|
|
#define INIT_TIMER(t) init_timer(&t, #t)
|
|
|
|
// Initialize the timer module.
|
|
void default_timers();
|
|
|
|
// Destroy the timer module.
|
|
void cleanup_timers();
|
|
|
|
// Initialize a timer. Caller keeps ownership.
|
|
void init_timer(Timer *timer, const char *name);
|
|
|
|
// Destroy a timer. Does not free() the pointer.
|
|
void destroy_timer(Timer *timer);
|
|
|
|
// Modify a timer.
|
|
void change_timer(Timer *timer, bool enabled, int delay_ms, int period_ms, TimerCallback *callback, void *arg);
|
|
|
|
void stop_timer(Timer *timer);
|
|
|
|
// Get the time duration to the next expiration time, or NULL if there is no active timer.
|
|
// Do not free the pointer; it is harmless to change its contents.
|
|
struct timeval *get_duration_to_next_timer_expiration();
|
|
|
|
// Trigger all expired timers, and reschedule them if they are periodic timers
|
|
void handle_expired_timers();
|
|
|
|
// Time helper functions.
|
|
|
|
// Returns -1 if t1 < t2, 0 if t1 == t2, 1 if t1 > t2
|
|
gint compare_timespecs(const struct timespec *t1, const struct timespec *t2);
|
|
|
|
struct timespec add_msec_to_timespec(struct timespec ts, int msec);
|
|
|
|
// Returns the time difference in seconds between the current time and the last time this function was called.
|
|
// At the first call returns zero.
|
|
double profiling_get_time();
|
|
|
|
// Get current time in seconds, from an unspecified origin.
|
|
double get_time();
|
|
|
|
#endif // TIMER_H
|