annotate src/timer/SDL_timer_c.h @ 1312:c9b51268668f

Updated copyright information and removed rcs id lines (problematic in branch merges) I batch edited these files, so please let me know if I've accidentally removed anybody's credit here.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 01 Feb 2006 06:32:25 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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23 /* Useful functions and variables from SDL_timer.c */
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24 #include "SDL_timer.h"
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25
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26 #define ROUND_RESOLUTION(X) \
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27 (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
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29 extern int SDL_timer_started;
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30 extern int SDL_timer_running;
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32 /* Data to handle a single periodic alarm */
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33 extern Uint32 SDL_alarm_interval;
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34 extern SDL_TimerCallback SDL_alarm_callback;
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35
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36 /* Set whether or not the timer should use a thread.
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37 This should be called while the timer subsystem is running.
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38 */
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39 extern int SDL_SetTimerThreaded(int value);
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40
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41 extern int SDL_TimerInit(void);
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42 extern void SDL_TimerQuit(void);
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43
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44 /* This function is called from the SDL event thread if it is available */
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45 extern void SDL_ThreadedTimerCheck(void);