1 /**************************************************************************
2 * fg_timer.hxx -- 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 **************************************************************************/
32 # error This library requires C++
36 extern unsigned long int fgSimTime;
38 /* this routine initializes the interval timer to generate a SIGALRM
39 * after the specified interval (dt) the function f() will be called
41 void fgTimerInit( float dt, void (*f)( int ) );
43 /* This function returns the number of milleseconds since the last
44 time it was called. */
45 int fgGetTimeInterval( void );
48 #endif /* _FG_TIMER_HXX */
52 /* Revision 1.1 1998/04/24 00:52:30 curt
53 /* Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
55 /* Separated out lighting calcs into their own file.
57 * Revision 1.5 1998/04/21 17:01:45 curt
58 * Fixed a problems where a pointer to a function was being passed around. In
59 * one place this functions arguments were defined as ( void ) while in another
60 * place they were defined as ( int ). The correct answer was ( int ).
62 * Prepairing for C++ integration.
64 * Revision 1.4 1998/01/22 02:59:43 curt
65 * Changed #ifdef FILE_H to #ifdef _FILE_H
67 * Revision 1.3 1998/01/19 18:40:40 curt
68 * Tons of little changes to clean up the code and to remove fatal errors
69 * when building with the c++ compiler.
71 * Revision 1.2 1997/07/23 21:52:27 curt
72 * Put comments around the text after an #endif for increased portability.
74 * Revision 1.1 1997/06/16 19:24:20 curt