62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/*
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* Copyright (C) 1997-2004, Michael Jennings
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _TIMER_H_
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#define _TIMER_H_
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#include <sys/time.h>
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#include <unistd.h>
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#include <X11/Xfuncproto.h>
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#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
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/************ Macros and Definitions ************/
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#define find_timer_by_handle(handle) (handle)
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#define timer_change_data(handle, data) ((handle)->data = (data))
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#define timer_change_handler(handle, handler) ((handle)->handler = (handler))
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/************ Structures ************/
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typedef unsigned char (*timer_handler_t)(void *);
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typedef struct timer_struct etimer_t;
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typedef etimer_t *timerhdl_t; /* The timer handles are actually pointers to a etimer_t struct, but clients shouldn't use them as such. */
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struct timer_struct {
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unsigned long msec;
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struct timeval time;
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timer_handler_t handler;
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void *data;
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struct timer_struct *next;
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};
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/************ Variables ************/
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/************ Function Prototypes ************/
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_XFUNCPROTOBEGIN
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extern timerhdl_t timer_add(unsigned long msec, timer_handler_t handler, void *data);
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extern unsigned char timer_del(timerhdl_t handle);
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extern unsigned char timer_change_delay(timerhdl_t handle, unsigned long msec);
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extern void timer_check(void);
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_XFUNCPROTOEND
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#endif /* _TIMER_H_ */
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