wkfutils.h

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00001 /***************************************************************************
00002  *cr
00003  *cr            (C) Copyright 1995-2009 John E. Stone
00004  *cr
00005  ***************************************************************************/
00006 /***************************************************************************
00007  * RCS INFORMATION:
00008  *
00009  *      $RCSfile: wkfutils.h,v $
00010  *      $Author: dhardy $        $Locker:  $             $State: Exp $
00011  *      $Revision: 1.1 $       $Date: 2011/08/14 13:49:14 $
00012  *
00013  ***************************************************************************/
00014 /*
00015  * Copyright (c) 1994-2009 John E. Stone
00016  * All rights reserved.
00017  *
00018  * Redistribution and use in source and binary forms, with or without
00019  * modification, are permitted provided that the following conditions
00020  * are met:
00021  * 1. Redistributions of source code must retain the above copyright
00022  *    notice, this list of conditions and the following disclaimer.
00023  * 2. Redistributions in binary form must reproduce the above copyright
00024  *    notice, this list of conditions and the following disclaimer in the
00025  *    documentation and/or other materials provided with the distribution.
00026  * 3. The name of the author may not be used to endorse or promote products
00027  *    derived from this software without specific prior written permission.
00028  *
00029  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
00030  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00031  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00032  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
00033  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00034  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00035  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00036  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00037  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00038  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00039  * SUCH DAMAGE.
00040  */
00041 
00042 #ifndef WKF_UTILS_INC
00043 #define WKF_UTILS_INC 1
00044 
00045 #ifdef __cplusplus
00046 extern "C" {
00047 #endif
00048 
00049 typedef void * wkf_timerhandle;            
00050 wkf_timerhandle wkf_timer_create(void);    
00051 void wkf_timer_destroy(wkf_timerhandle);   
00052 void wkf_timer_start(wkf_timerhandle);     
00053 void wkf_timer_stop(wkf_timerhandle);      
00054 double wkf_timer_time(wkf_timerhandle);    
00055 double wkf_timer_timenow(wkf_timerhandle); 
00056 double wkf_timer_start_time(wkf_timerhandle); 
00057 double wkf_timer_stop_time(wkf_timerhandle); 
00059 typedef struct {
00060   wkf_timerhandle timer;
00061   double updatetime;
00062 } wkfmsgtimer;
00063 
00065 extern wkfmsgtimer * wkf_msg_timer_create(double updatetime);
00066 
00068 extern int wkf_msg_timer_timeout(wkfmsgtimer *time);
00069 
00071 void wkf_msg_timer_destroy(wkfmsgtimer * mt);
00072 
00073 #ifdef __cplusplus
00074 }
00075 #endif
00076 
00077 #endif

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