Mercurial > sdl-ios-xcode

annotate include/SDL_error.h @ 4209:62e86ab81e3c SDL-1.2

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Fixed bug #570 SDL_SemWaitTimeout in src/thread/generic/SDL_syssem.c line 179 (SVN trunk): --sem->count; should be if (retval == 0) { --sem->count; } Without this, sem->count will underflow on timeout effectively breaking the semaphore. It appears that the implementation has been wrong since the initial revision.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 21 Sep 2009 07:32:26 +0000
parents a1b03ba2fcd0
children 4c4113c2162c
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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
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23 /* Simple error message routines for SDL */
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24
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25 #ifndef _SDL_error_h
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26 #define _SDL_error_h
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27
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28 #include "SDL_stdinc.h"
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29
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30 #include "begin_code.h"
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31 /* Set up for C function definitions, even when using C++ */
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32 #ifdef __cplusplus
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33 extern "C" {
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34 #endif
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35
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36 /* Public functions */
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37 extern DECLSPEC void SDLCALL SDL_SetError(const char *fmt, ...);
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38 extern DECLSPEC char * SDLCALL SDL_GetError(void);
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39 extern DECLSPEC void SDLCALL SDL_ClearError(void);
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40
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41 /* Private error message function - used internally */
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42 #define SDL_OutOfMemory() SDL_Error(SDL_ENOMEM)
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43 #define SDL_Unsupported() SDL_Error(SDL_UNSUPPORTED)
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44 typedef enum {
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45 SDL_ENOMEM,
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46 SDL_EFREAD,
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47 SDL_EFWRITE,
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48 SDL_EFSEEK,
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49 SDL_UNSUPPORTED,
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50 SDL_LASTERROR
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51 } SDL_errorcode;
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52 extern DECLSPEC void SDLCALL SDL_Error(SDL_errorcode code);
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53
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54
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55 /* Ends C function definitions when using C++ */
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56 #ifdef __cplusplus
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57 }
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58 #endif
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59 #include "close_code.h"
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60
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61 #endif /* _SDL_error_h */