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/*
* Copyright (C) 1997-2009, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _TIMER_H_
#define _TIMER_H_
#include <sys/time.h>
#include <unistd.h>
#include <X11/Xfuncproto.h>
#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
/************ Macros and Definitions ************/
#define find_timer_by_handle(handle) (handle)
#define timer_change_data(handle, data) ((handle)->data = (data))
#define timer_change_handler(handle, handler) ((handle)->handler = (handler))
/************ Structures ************/
typedef unsigned char (*timer_handler_t)(void *);
typedef struct timer_struct etimer_t;
typedef etimer_t *timerhdl_t; /* The timer handles are actually pointers to a etimer_t struct, but clients shouldn't use them as such. */
struct timer_struct {
unsigned long msec;
struct timeval time;
timer_handler_t handler;
void *data;
struct timer_struct *next;
};
/************ Variables ************/
/************ Function Prototypes ************/
_XFUNCPROTOBEGIN
extern timerhdl_t timer_add(unsigned long msec, timer_handler_t handler, void *data);
extern unsigned char timer_del(timerhdl_t handle);
extern unsigned char timer_change_delay(timerhdl_t handle, unsigned long msec);
extern void timer_check(void);
_XFUNCPROTOEND
#endif /* _TIMER_H_ */