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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 5635-34 Springhouse Dr.
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21 Pleasanton, CA 94588 (USA)
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22 slouken@devolution.com
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23 */
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24
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25 #ifdef SAVE_RCSID
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26 static char rcsid =
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27 "@(#) $Id$";
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28 #endif
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29
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30 /* Useful functions and variables from SDL_timer.c */
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31 #include "SDL_timer.h"
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32
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33 #define ROUND_RESOLUTION(X) \
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34 (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
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35
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36 extern int SDL_timer_started;
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37 extern int SDL_timer_running;
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38
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39 /* Data to handle a single periodic alarm */
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40 extern Uint32 SDL_alarm_interval;
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41 extern SDL_TimerCallback SDL_alarm_callback;
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42
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43 /* Set whether or not the timer should use a thread.
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44 This should be called while the timer subsystem is running.
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45 */
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46 extern int SDL_SetTimerThreaded(int value);
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47
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48 extern int SDL_TimerInit(void);
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49 extern void SDL_TimerQuit(void);
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50
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51 /* This function is called from the SDL event thread if it is available */
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52 extern void SDL_ThreadedTimerCheck(void);
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