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diff --git a/distrib/sdl-1.2.15/include/SDL_thread.h b/distrib/sdl-1.2.15/include/SDL_thread.h
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+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+
+#ifndef _SDL_thread_h
+#define _SDL_thread_h
+
+/** @file SDL_thread.h
+ * Header for the SDL thread management routines
+ *
+ * @note These are independent of the other SDL routines.
+ */
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+/* Thread synchronization primitives */
+#include "SDL_mutex.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** The SDL thread structure, defined in SDL_thread.c */
+struct SDL_Thread;
+typedef struct SDL_Thread SDL_Thread;
+
+/** Create a thread */
+#if ((defined(__WIN32__) && !defined(HAVE_LIBC)) || defined(__OS2__)) && !defined(__SYMBIAN32__)
+/**
+ * We compile SDL into a DLL on OS/2. This means, that it's the DLL which
+ * creates a new thread for the calling process with the SDL_CreateThread()
+ * API. There is a problem with this, that only the RTL of the SDL.DLL will
+ * be initialized for those threads, and not the RTL of the calling application!
+ * To solve this, we make a little hack here.
+ * We'll always use the caller's _beginthread() and _endthread() APIs to
+ * start a new thread. This way, if it's the SDL.DLL which uses this API,
+ * then the RTL of SDL.DLL will be used to create the new thread, and if it's
+ * the application, then the RTL of the application will be used.
+ * So, in short:
+ * Always use the _beginthread() and _endthread() of the calling runtime library!
+ */
+#define SDL_PASSED_BEGINTHREAD_ENDTHREAD
+#ifndef _WIN32_WCE
+#include <process.h> /* This has _beginthread() and _endthread() defined! */
+#endif
+
+#ifdef __OS2__
+typedef int (*pfnSDL_CurrentBeginThread)(void (*func)(void *), void *, unsigned, void *arg);
+typedef void (*pfnSDL_CurrentEndThread)(void);
+#else
+typedef uintptr_t (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned,
+ unsigned (__stdcall *func)(void *), void *arg,
+ unsigned, unsigned *threadID);
+typedef void (__cdecl *pfnSDL_CurrentEndThread)(unsigned code);
+#endif
+
+extern DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread(int (SDLCALL *fn)(void *), void *data, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread);
+
+#ifdef __OS2__
+#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthread, _endthread)
+#elif defined(_WIN32_WCE)
+#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, NULL, NULL)
+#else
+#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthreadex, _endthreadex)
+#endif
+#else
+extern DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread(int (SDLCALL *fn)(void *), void *data);
+#endif
+
+/** Get the 32-bit thread identifier for the current thread */
+extern DECLSPEC Uint32 SDLCALL SDL_ThreadID(void);
+
+/** Get the 32-bit thread identifier for the specified thread,
+ * equivalent to SDL_ThreadID() if the specified thread is NULL.
+ */
+extern DECLSPEC Uint32 SDLCALL SDL_GetThreadID(SDL_Thread *thread);
+
+/** Wait for a thread to finish.
+ * The return code for the thread function is placed in the area
+ * pointed to by 'status', if 'status' is not NULL.
+ */
+extern DECLSPEC void SDLCALL SDL_WaitThread(SDL_Thread *thread, int *status);
+
+/** Forcefully kill a thread without worrying about its state */
+extern DECLSPEC void SDLCALL SDL_KillThread(SDL_Thread *thread);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_thread_h */