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/*
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/*
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  Simple DirectMedia Layer
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  arising from the use of this software.
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typedef unsigned int SDL_TLSID;
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typedef unsigned int SDL_TLSID;
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/**
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/**
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 *  The SDL thread priority.
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 *  The SDL thread priority.
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 *
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 *
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 *  \note On many systems you require special privileges to set high priority.
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 *  \note On many systems you require special privileges to set high or time critical priority.
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 */
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 */
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typedef enum {
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typedef enum {
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    SDL_THREAD_PRIORITY_LOW,
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    SDL_THREAD_PRIORITY_LOW,
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    SDL_THREAD_PRIORITY_NORMAL,
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    SDL_THREAD_PRIORITY_NORMAL,
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    SDL_THREAD_PRIORITY_HIGH
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    SDL_THREAD_PRIORITY_HIGH,
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    SDL_THREAD_PRIORITY_TIME_CRITICAL
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} SDL_ThreadPriority;
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} SDL_ThreadPriority;
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/**
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/**
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 *  The function passed to SDL_CreateThread().
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 *  The function passed to SDL_CreateThread().
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 *  It is passed a void* user context parameter and returns an int.
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 *  It is passed a void* user context parameter and returns an int.
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 */
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 */
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extern DECLSPEC SDL_Thread *SDLCALL
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extern DECLSPEC SDL_Thread *SDLCALL
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SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
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SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
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                 pfnSDL_CurrentBeginThread pfnBeginThread,
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                 pfnSDL_CurrentBeginThread pfnBeginThread,
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                 pfnSDL_CurrentEndThread pfnEndThread);
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                 pfnSDL_CurrentEndThread pfnEndThread);
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extern DECLSPEC SDL_Thread *SDLCALL
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SDL_CreateThreadWithStackSize(int (SDLCALL * fn) (void *),
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                 const char *name, const size_t stacksize, void *data,
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                 pfnSDL_CurrentBeginThread pfnBeginThread,
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                 pfnSDL_CurrentEndThread pfnEndThread);
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/**
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/**
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 *  Create a thread.
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 *  Create a thread.
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 */
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 */
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#if defined(SDL_CreateThread) && SDL_DYNAMIC_API
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#if defined(SDL_CreateThread) && SDL_DYNAMIC_API
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#undef SDL_CreateThread
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#undef SDL_CreateThread
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
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#undef SDL_CreateThreadWithStackSize
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#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
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#else
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#else
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
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#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
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#endif
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#endif
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#elif defined(__OS2__)
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#elif defined(__OS2__)
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/*
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/*
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 * just like the windows case above:  We compile SDL2
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 * just like the windows case above:  We compile SDL2
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#define SDL_PASSED_BEGINTHREAD_ENDTHREAD
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#define SDL_PASSED_BEGINTHREAD_ENDTHREAD
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#ifndef __EMX__
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#ifndef __EMX__
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#include <process.h>
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#include <process.h>
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#else
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#else
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#include <stdlib.h>
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#include <stdlib.h>
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#endif
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#endif
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typedef int (*pfnSDL_CurrentBeginThread)(void (*func)(void *), void *, unsigned, void * /*arg*/);
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typedef int (*pfnSDL_CurrentBeginThread)(void (*func)(void *), void *, unsigned, void * /*arg*/);
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typedef void (*pfnSDL_CurrentEndThread)(void);
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typedef void (*pfnSDL_CurrentEndThread)(void);
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extern DECLSPEC SDL_Thread *SDLCALL
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extern DECLSPEC SDL_Thread *SDLCALL
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SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
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SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
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                 pfnSDL_CurrentBeginThread pfnBeginThread,
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                 pfnSDL_CurrentEndThread pfnEndThread);
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extern DECLSPEC SDL_Thread *SDLCALL
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SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data,
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                 pfnSDL_CurrentBeginThread pfnBeginThread,
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                 pfnSDL_CurrentBeginThread pfnBeginThread,
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                 pfnSDL_CurrentEndThread pfnEndThread);
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                 pfnSDL_CurrentEndThread pfnEndThread);
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#if defined(SDL_CreateThread) && SDL_DYNAMIC_API
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#if defined(SDL_CreateThread) && SDL_DYNAMIC_API
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#undef SDL_CreateThread
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#undef SDL_CreateThread
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
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#undef SDL_CreateThreadWithStackSize
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#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
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#else
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#else
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
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#define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
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#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
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#endif
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#endif
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#else
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#else
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/**
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 *  Create a thread with a default stack size.
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 *
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 *  This is equivalent to calling:
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 *  SDL_CreateThreadWithStackSize(fn, name, 0, data);
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 */
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extern DECLSPEC SDL_Thread *SDLCALL
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SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
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/**
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/**
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 *  Create a thread.
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 *  Create a thread.
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 *
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 *
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 *   Thread naming is a little complicated: Most systems have very small
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 *   Thread naming is a little complicated: Most systems have very small
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 *    http://stackoverflow.com/questions/149932/naming-conventions-for-threads
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 *    http://stackoverflow.com/questions/149932/naming-conventions-for-threads
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 *
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 *
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 *   If a system imposes requirements, SDL will try to munge the string for
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 *   If a system imposes requirements, SDL will try to munge the string for
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 *    it (truncate, etc), but the original string contents will be available
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 *    it (truncate, etc), but the original string contents will be available
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 *    from SDL_GetThreadName().
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 *    from SDL_GetThreadName().
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 *
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 *   The size (in bytes) of the new stack can be specified. Zero means "use
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 *    the system default" which might be wildly different between platforms
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 *    (x86 Linux generally defaults to eight megabytes, an embedded device
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 *    might be a few kilobytes instead).
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 *
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 *   In SDL 2.1, stacksize will be folded into the original SDL_CreateThread
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 *    function.
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 */
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 */
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extern DECLSPEC SDL_Thread *SDLCALL
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extern DECLSPEC SDL_Thread *SDLCALL
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SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
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SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data);
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#endif
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#endif
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/**
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/**
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 * Get the thread name, as it was specified in SDL_CreateThread().
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 * Get the thread name, as it was specified in SDL_CreateThread().