84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*************************************************************************
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*
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* Copyright (C) 2009 Andreas.Fink (Andreas.Fink85@gmail.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**************************************************************************/
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#ifndef TIMER_H
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#define TIMER_H
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#include <glib.h>
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#include <time.h>
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#include <sys/time.h>
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#include "bool.h"
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extern bool warnings_for_timers;
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extern bool debug_timers;
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typedef void TimerCallback(void *arg);
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typedef struct {
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char name_[64];
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bool enabled_;
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long long expiration_time_ms_;
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int period_ms_;
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TimerCallback *callback_;
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void *arg_;
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bool handled_;
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} Timer;
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#define DEFAULT_TIMER {"", 0, 0, 0, 0, 0, 0}
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#define INIT_TIMER(t) init_timer(&t, #t)
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// Initialize the timer module.
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void default_timers();
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// Destroy the timer module.
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void cleanup_timers();
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// Initialize a timer. Caller keeps ownership.
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void init_timer(Timer *timer, const char *name);
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// Destroy a timer. Does not free() the pointer.
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void destroy_timer(Timer *timer);
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// Modify a timer.
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void change_timer(Timer *timer, bool enabled, int delay_ms, int period_ms, TimerCallback *callback, void *arg);
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void stop_timer(Timer *timer);
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// Get the time duration to the next expiration time, or NULL if there is no active timer.
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// Do not free the pointer; it is harmless to change its contents.
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struct timeval *get_duration_to_next_timer_expiration();
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// Trigger all expired timers, and reschedule them if they are periodic timers
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void handle_expired_timers();
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// Time helper functions.
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// Returns -1 if t1 < t2, 0 if t1 == t2, 1 if t1 > t2
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gint compare_timespecs(const struct timespec *t1, const struct timespec *t2);
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struct timespec add_msec_to_timespec(struct timespec ts, int msec);
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// Returns the time difference in seconds between the current time and the last time this function was called.
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// At the first call returns zero.
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double profiling_get_time();
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// Get current time in seconds, from an unspecified origin.
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double get_time();
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#endif // TIMER_H
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