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93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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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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