1 /**************************************************************************
2 * fg_timer.h -- time handling routines
4 * Written by Curtis Olson, started June 1997.
6 * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * (Log is kept at end of this file)
24 **************************************************************************/
31 extern unsigned long int fgSimTime;
33 /* this routine initializes the interval timer to generate a SIGALRM
34 * after the specified interval (dt) the function f() will be called
36 void fgTimerInit(float dt, void (*f)());
38 /* This function returns the number of milleseconds since the last
39 time it was called. */
40 int fgGetTimeInterval();
43 #endif /* FG_TIMER_H */
47 /* Revision 1.2 1997/07/23 21:52:27 curt
48 /* Put comments around the text after an #endif for increased portability.
50 * Revision 1.1 1997/06/16 19:24:20 curt