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Simple DirectMedia Layer
Copyright (C) 1997-2021 Sam Lantinga <>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
#include "../../SDL_internal.h"
#include "../../core/windows/SDL_windows.h"
#include "SDL_mutex.h"
typedef SDL_mutex * (*pfnSDL_CreateMutex)(void);
typedef int (*pfnSDL_LockMutex)(SDL_mutex *);
typedef int (*pfnSDL_TryLockMutex)(SDL_mutex *);
typedef int (*pfnSDL_UnlockMutex)(SDL_mutex *);
typedef void (*pfnSDL_DestroyMutex)(SDL_mutex *);
typedef enum
} SDL_MutexType;
typedef struct SDL_mutex_impl_t
pfnSDL_CreateMutex Create;
pfnSDL_DestroyMutex Destroy;
pfnSDL_LockMutex Lock;
pfnSDL_TryLockMutex TryLock;
pfnSDL_UnlockMutex Unlock;
/* Needed by SDL_cond: */
SDL_MutexType Type;
} SDL_mutex_impl_t;
extern SDL_mutex_impl_t SDL_mutex_impl_active;
#define SRWLOCK_INIT {0}
typedef struct _SRWLOCK {
typedef struct SDL_mutex_srw
/* SRW Locks are not recursive, that has to be handled by SDL: */
DWORD count;
DWORD owner;
} SDL_mutex_srw;
/* vi: set ts=4 sw=4 expandtab: */