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*fix* added missing files

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git-svn-id: http://tint2.googlecode.com/svn/trunk@267 121b4492-b84c-0410-8b4c-0d4edfb3f3cc
This commit is contained in:
Andreas.Fink85 2009-11-15 20:38:24 +00:00
parent 806451955b
commit 11aa0bdc27
2 changed files with 115 additions and 0 deletions
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67
src/util/timer.c Normal file
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/**************************************************************************
*
* 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.
**************************************************************************/
#include <sys/timerfd.h>
#include <stdlib.h>
#include <unistd.h>
#include "timer.h"
GSList* timer_list = 0;
int install_timer(int value_sec, int value_nsec, int interval_sec, int interval_nsec, void (*_callback)())
{
if ( value_sec < 0 || interval_sec < 0 )
return -1;
int timer_fd;
struct itimerspec timer;
timer.it_value = (struct timespec){ .tv_sec=value_sec, .tv_nsec=value_nsec };
timer.it_interval = (struct timespec){ .tv_sec=interval_sec, .tv_nsec=interval_nsec };
timer_fd = timerfd_create(CLOCK_MONOTONIC, 0);
timerfd_settime(timer_fd, 0, &timer, 0);
struct timer* t = malloc(sizeof(struct timer));
t->id=timer_fd;
t->_callback = _callback;
timer_list = g_slist_prepend(timer_list, t);
return timer_fd;
}
void reset_timer(int id, int value_sec, int value_nsec, int interval_sec, int interval_nsec)
{
struct itimerspec timer;
timer.it_value = (struct timespec){ .tv_sec=value_sec, .tv_nsec=value_nsec };
timer.it_interval = (struct timespec){ .tv_sec=interval_sec, .tv_nsec=interval_nsec };
timerfd_settime(id, 0, &timer, 0);
}
void uninstall_timer(int id)
{
close(id);
GSList* timer_iter = timer_list;
while (timer_iter) {
struct timer* t = timer_iter->data;
if (t->id == id) {
timer_list = g_slist_remove(timer_list, t);
free(t);
return;
}
timer_iter = timer_iter->next;
}
}

48
src/util/timer.h Normal file
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/**************************************************************************
*
* 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* timer_list;
struct timer {
int id;
void (*_callback)();
};
// timer functions
/** installs a timer with the first timeout 'value_sec' and then a periodic timeout with interval_sec
* '_callback' is the callback function when the timer reaches the timeout.
* If 'value_sec' == 0 then the timer is disabled (but not uninstalled)
* If 'interval_sec' == 0 the timer is a single shot timer, ie. no periodic timeout occur
* returns the 'id' of the timer, which is needed for uninstalling the timer **/
int install_timer(int value_sec, int value_nsec, int interval_sec, int interval_nsec, void (*_callback)());
/** resets a timer to the new values. If 'id' does not exist nothing happens.
* If value_sec == 0 the timer is stopped **/
void reset_timer(int id, int value_sec, int value_nsec, int interval_sec, int interval_nsec);
/** uninstalls a timer with the given 'id'. If no timer is installed with this id nothing happens **/
void uninstall_timer(int id);
#endif // TIMER_H