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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/sdl/thread/SDL_thread_c.h
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/*

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  Simple DirectMedia Layer

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  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>

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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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  arising from the use of this software.

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  Permission is granted to anyone to use this software for any purpose,

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  including commercial applications, and to alter it and redistribute it

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  freely, subject to the following restrictions:

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  1. The origin of this software must not be misrepresented; you must not

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     claim that you wrote the original software. If you use this software

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     in a product, an acknowledgment in the product documentation would be

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     appreciated but is not required.

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  2. Altered source versions must be plainly marked as such, and must not be

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     misrepresented as being the original software.

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  3. This notice may not be removed or altered from any source distribution.

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*/

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#include "SDL_internal.h"

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#ifndef SDL_thread_c_h_

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#define SDL_thread_c_h_

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// Need the definitions of SYS_ThreadHandle

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#ifdef SDL_THREADS_DISABLED

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#include "generic/SDL_systhread_c.h"

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#elif defined(SDL_THREAD_PTHREAD)

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#include "pthread/SDL_systhread_c.h"

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#elif defined(SDL_THREAD_WINDOWS)

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#include "windows/SDL_systhread_c.h"

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#elif defined(SDL_THREAD_PS2)

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#include "ps2/SDL_systhread_c.h"

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#elif defined(SDL_THREAD_PSP)

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#include "psp/SDL_systhread_c.h"

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#elif defined(SDL_THREAD_VITA)

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#include "vita/SDL_systhread_c.h"

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#elif defined(SDL_THREAD_N3DS)

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#include "n3ds/SDL_systhread_c.h"

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#else

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#error Need thread implementation for this platform

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#include "generic/SDL_systhread_c.h"

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#endif

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#include "../SDL_error_c.h"

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// This is the system-independent thread info structure

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struct SDL_Thread

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{

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    SDL_ThreadID threadid;

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    SYS_ThreadHandle handle;

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    int status;

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    SDL_AtomicInt state; /* SDL_ThreadState */

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    SDL_error errbuf;

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    char *name;

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    size_t stacksize; // 0 for default, >0 for user-specified stack size.

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    int(SDLCALL *userfunc)(void *);

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    void *userdata;

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    void *data;

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    SDL_FunctionPointer endfunc; // only used on some platforms.

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};

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// This is the function called to run a thread

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extern void SDL_RunThread(SDL_Thread *thread);

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// This is the system-independent thread local storage structure

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typedef struct

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{

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    int limit;

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    struct

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    {

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        void *data;

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        void(SDLCALL *destructor)(void *);

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    } array[1];

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} SDL_TLSData;

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// This is how many TLS entries we allocate at once

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#define TLS_ALLOC_CHUNKSIZE 4

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extern void SDL_InitTLSData(void);

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extern void SDL_QuitTLSData(void);

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/* Generic TLS support.

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   This is only intended as a fallback if getting real thread-local

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   storage fails or isn't supported on this platform.

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 */

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extern void SDL_Generic_InitTLSData(void);

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extern SDL_TLSData *SDL_Generic_GetTLSData(void);

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extern bool SDL_Generic_SetTLSData(SDL_TLSData *data);

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extern void SDL_Generic_QuitTLSData(void);

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#endif // SDL_thread_c_h_

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