Wolf3D-iOS/wolf3d/newCode/env/unix_timer.c

/*

	Copyright (C) 2004 Michael Liebscher
	Copyright (C) 1997-2001 Id Software, Inc.

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.

	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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

/*
 *	unix_timer.c: unix timer. 
 *	
 *	Author:	Michael Liebscher <johnnycanuck@users.sourceforge.net>	
 *	Date:	2004
 *
 *	Acknowledgement:
 *	This code was derived from Quake II, and was originally
 *	written by Id Software, Inc.
 *
 */

#include "../wolfiphone.h"

PUBLIC W32	curtime;

/*
-----------------------------------------------------------------------------
 Function: 

 Parameters:

 Returns:

 Notes: 
-----------------------------------------------------------------------------
*/
PUBLIC W32 Sys_Milliseconds( void )
{
	struct timeval tp;
	struct timezone tzp;
	static int		secbase;

	gettimeofday( &tp, &tzp );
	
	if( ! secbase )
	{
		secbase = tp.tv_sec;
		return tp.tv_usec / 1000;
	}

	curtime = (tp.tv_sec - secbase) * 1000 + tp.tv_usec / 1000;
	
	return curtime;
}