arreglat makefile, info.plist i sdl.frameworks per a compilar en macos intel
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@@ -1,6 +1,6 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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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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@@ -20,38 +20,29 @@
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*/
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/**
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* \file SDL_atomic.h
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* # CategoryAtomic
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*
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* Atomic operations.
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*
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* IMPORTANT:
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* If you are not an expert in concurrent lockless programming, you should
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* only be using the atomic lock and reference counting functions in this
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* file. In all other cases you should be protecting your data structures
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* with full mutexes.
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* IMPORTANT: If you are not an expert in concurrent lockless programming, you
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* should not be using any functions in this file. You should be protecting
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* your data structures with full mutexes instead.
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*
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* The list of "safe" functions to use are:
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* SDL_AtomicLock()
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* SDL_AtomicUnlock()
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* SDL_AtomicIncRef()
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* SDL_AtomicDecRef()
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* ***Seriously, here be dragons!***
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*
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* Seriously, here be dragons!
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* ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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*
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* You can find out a little more about lockless programming and the
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* subtle issues that can arise here:
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* http://msdn.microsoft.com/en-us/library/ee418650%28v=vs.85%29.aspx
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* You can find out a little more about lockless programming and the subtle
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* issues that can arise here:
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* https://learn.microsoft.com/en-us/windows/win32/dxtecharts/lockless-programming
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*
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* There's also lots of good information here:
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* http://www.1024cores.net/home/lock-free-algorithms
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* http://preshing.com/
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*
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* These operations may or may not actually be implemented using
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* processor specific atomic operations. When possible they are
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* implemented as true processor specific atomic operations. When that
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* is not possible the are implemented using locks that *do* use the
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* available atomic operations.
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* - https://www.1024cores.net/home/lock-free-algorithms
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* - https://preshing.com/
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*
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* These operations may or may not actually be implemented using processor
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* specific atomic operations. When possible they are implemented as true
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* processor specific atomic operations. When that is not possible the are
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* implemented using locks that *do* use the available atomic operations.
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*
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* All of the atomic operations that modify memory are full memory barriers.
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*/
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@@ -94,7 +85,7 @@ typedef int SDL_SpinLock;
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* ***Please note that spinlocks are dangerous if you don't know what you're
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* doing. Please be careful using any sort of spinlock!***
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*
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* \param lock a pointer to a lock variable
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* \param lock a pointer to a lock variable.
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* \returns SDL_TRUE if the lock succeeded, SDL_FALSE if the lock is already
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* held.
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*
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@@ -111,7 +102,7 @@ extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTryLock(SDL_SpinLock *lock);
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* ***Please note that spinlocks are dangerous if you don't know what you're
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* doing. Please be careful using any sort of spinlock!***
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*
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* \param lock a pointer to a lock variable
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* \param lock a pointer to a lock variable.
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*
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* \since This function is available since SDL 2.0.0.
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*
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@@ -128,7 +119,7 @@ extern DECLSPEC void SDLCALL SDL_AtomicLock(SDL_SpinLock *lock);
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* ***Please note that spinlocks are dangerous if you don't know what you're
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* doing. Please be careful using any sort of spinlock!***
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*
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* \param lock a pointer to a lock variable
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* \param lock a pointer to a lock variable.
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*
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* \since This function is available since SDL 2.0.0.
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*
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@@ -209,7 +200,7 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
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#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) || defined(__ARM_ARCH_8A__)
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#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
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#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory")
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#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_5TE__)
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#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
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#ifdef __thumb__
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/* The mcr instruction isn't available in thumb mode, use real functions */
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#define SDL_MEMORY_BARRIER_USES_FUNCTION
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@@ -257,10 +248,13 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
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/**
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* \brief A type representing an atomic integer value. It is a struct
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* so people don't accidentally use numeric operations on it.
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* A type representing an atomic integer value.
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*
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* It is a struct so people don't accidentally use numeric operations on it.
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*/
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typedef struct { int value; } SDL_atomic_t;
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typedef struct SDL_atomic_t {
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int value;
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} SDL_atomic_t;
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/**
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* Set an atomic variable to a new value if it is currently an old value.
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@@ -268,9 +262,9 @@ typedef struct { int value; } SDL_atomic_t;
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to an SDL_atomic_t variable to be modified
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* \param oldval the old value
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* \param newval the new value
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* \param a a pointer to an SDL_atomic_t variable to be modified.
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* \param oldval the old value.
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* \param newval the new value.
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* \returns SDL_TRUE if the atomic variable was set, SDL_FALSE otherwise.
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*
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* \since This function is available since SDL 2.0.0.
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@@ -289,8 +283,8 @@ extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCAS(SDL_atomic_t *a, int oldval, int
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to an SDL_atomic_t variable to be modified
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* \param v the desired value
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* \param a a pointer to an SDL_atomic_t variable to be modified.
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* \param v the desired value.
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* \returns the previous value of the atomic variable.
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*
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* \since This function is available since SDL 2.0.2.
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@@ -305,7 +299,7 @@ extern DECLSPEC int SDLCALL SDL_AtomicSet(SDL_atomic_t *a, int v);
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to an SDL_atomic_t variable
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* \param a a pointer to an SDL_atomic_t variable.
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* \returns the current value of an atomic variable.
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*
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* \since This function is available since SDL 2.0.2.
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@@ -322,8 +316,8 @@ extern DECLSPEC int SDLCALL SDL_AtomicGet(SDL_atomic_t *a);
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to an SDL_atomic_t variable to be modified
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* \param v the desired value to add
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* \param a a pointer to an SDL_atomic_t variable to be modified.
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* \param v the desired value to add.
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* \returns the previous value of the atomic variable.
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*
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* \since This function is available since SDL 2.0.2.
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@@ -356,9 +350,9 @@ extern DECLSPEC int SDLCALL SDL_AtomicAdd(SDL_atomic_t *a, int v);
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to a pointer
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* \param oldval the old pointer value
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* \param newval the new pointer value
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* \param a a pointer to a pointer.
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* \param oldval the old pointer value.
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* \param newval the new pointer value.
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* \returns SDL_TRUE if the pointer was set, SDL_FALSE otherwise.
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*
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* \since This function is available since SDL 2.0.0.
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@@ -375,8 +369,8 @@ extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCASPtr(void **a, void *oldval, void *
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to a pointer
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* \param v the desired pointer value
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* \param a a pointer to a pointer.
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* \param v the desired pointer value.
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* \returns the previous value of the pointer.
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*
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* \since This function is available since SDL 2.0.2.
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@@ -392,7 +386,7 @@ extern DECLSPEC void* SDLCALL SDL_AtomicSetPtr(void **a, void* v);
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* ***Note: If you don't know what this function is for, you shouldn't use
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* it!***
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*
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* \param a a pointer to a pointer
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* \param a a pointer to a pointer.
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* \returns the current value of a pointer.
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*
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* \since This function is available since SDL 2.0.2.
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