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annotate src/timer/SDL_timer_c.h @ 2079:1ed2155b7ee4

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From: Torsten Giebl Subject: ALLOCA Patch for SDL-1.2 Newsgroups: gmane.comp.lib.sdl Date: 2006-10-24 00:31:16 GMT Hello ! As alloca.h is not available on CYGWIN and MinGW32 it should not be checked there or it should be checked with -mno-cygwin using. I am a total configure.in newbie, but i found the way that things are handled in configure.in pretty bad for the case CYGWIN with MinGW Mode or not. Maybe this is not possible but i would like to have a way to detect at the start for example CYGWIN and then add. ask if configure was called with --enable-cygwin for example. --enable-cygwin should be optional and disabled by default as we want to have MinGW Mode by default. Only if the user wants it he should be able to use it. Then the whole configure.in would get add. questions okay the system is CYGWIN with or without MinGW Mode. The alloca.h thing for example is only available under CYGWIN ( without MinGW Mode ). CU
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 01 Dec 2006 20:25:03 +0000
parents c121d94672cb
children 99210400e8b9
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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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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 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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22 #include "SDL_config.h"
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23
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24 /* Useful functions and variables from SDL_timer.c */
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25 #include "SDL_timer.h"
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26
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27 #define ROUND_RESOLUTION(X) \
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28 (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
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29
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30 extern int SDL_timer_started;
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31 extern int SDL_timer_running;
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32
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33 /* Data to handle a single periodic alarm */
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34 extern Uint32 SDL_alarm_interval;
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35 extern SDL_TimerCallback SDL_alarm_callback;
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36
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37 /* Set whether or not the timer should use a thread.
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38 This should be called while the timer subsystem is running.
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39 */
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40 extern int SDL_SetTimerThreaded(int value);
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41
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42 extern int SDL_TimerInit(void);
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43 extern void SDL_TimerQuit(void);
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44
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45 /* This function is called from the SDL event thread if it is available */
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46 extern void SDL_ThreadedTimerCheck(void);
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47 /* vi: set ts=4 sw=4 expandtab: */