*rename

1 files changed, 0 insertions, 176 deletions

diff --git a/Source/3rdParty/SDL2/src/atomic/SDL_spinlock.c b/Source/3rdParty/SDL2/src/atomic/SDL_spinlock.c
deleted file mode 100644
index 6a7b14a..0000000
--- a/Source/3rdParty/SDL2/src/atomic/SDL_spinlock.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  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"
-
-#if defined(__WIN32__) || defined(__WINRT__)
-#include "../core/windows/SDL_windows.h"
-#endif
-
-#include "SDL_atomic.h"
-#include "SDL_mutex.h"
-#include "SDL_timer.h"
-
-#if !defined(HAVE_GCC_ATOMICS) && defined(__SOLARIS__)
-#include <atomic.h>
-#endif
-
-#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
-#include <xmmintrin.h>
-#endif
-
-#if defined(__WATCOMC__) && defined(__386__)
-SDL_COMPILE_TIME_ASSERT(locksize, 4==sizeof(SDL_SpinLock));
-extern _inline int _SDL_xchg_watcom(volatile int *a, int v);
-#pragma aux _SDL_xchg_watcom = \
-  "lock xchg [ecx], eax" \
-  parm [ecx] [eax] \
-  value [eax] \
-  modify exact [eax];
-#endif /* __WATCOMC__ && __386__ */
-
-/* This function is where all the magic happens... */
-SDL_bool
-SDL_AtomicTryLock(SDL_SpinLock *lock)
-{
-#if SDL_ATOMIC_DISABLED
-    /* Terrible terrible damage */
-    static SDL_mutex *_spinlock_mutex;
-
-    if (!_spinlock_mutex) {
-        /* Race condition on first lock... */
-        _spinlock_mutex = SDL_CreateMutex();
-    }
-    SDL_LockMutex(_spinlock_mutex);
-    if (*lock == 0) {
-        *lock = 1;
-        SDL_UnlockMutex(_spinlock_mutex);
-        return SDL_TRUE;
-    } else {
-        SDL_UnlockMutex(_spinlock_mutex);
-        return SDL_FALSE;
-    }
-
-#elif defined(_MSC_VER)
-    SDL_COMPILE_TIME_ASSERT(locksize, sizeof(*lock) == sizeof(long));
-    return (InterlockedExchange((long*)lock, 1) == 0);
-
-#elif defined(__WATCOMC__) && defined(__386__)
-    return _SDL_xchg_watcom(lock, 1) == 0;
-
-#elif HAVE_GCC_ATOMICS || HAVE_GCC_SYNC_LOCK_TEST_AND_SET
-    return (__sync_lock_test_and_set(lock, 1) == 0);
-
-#elif defined(__GNUC__) && defined(__arm__) && \
-        (defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || \
-         defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5TE__) || \
-         defined(__ARM_ARCH_5TEJ__))
-    int result;
-    __asm__ __volatile__ (
-        "swp %0, %1, [%2]\n"
-        : "=&r,&r" (result) : "r,0" (1), "r,r" (lock) : "memory");
-    return (result == 0);
-
-#elif defined(__GNUC__) && defined(__arm__)
-    int result;
-    __asm__ __volatile__ (
-        "ldrex %0, [%2]\nteq   %0, #0\nstrexeq %0, %1, [%2]"
-        : "=&r" (result) : "r" (1), "r" (lock) : "cc", "memory");
-    return (result == 0);
-
-#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
-    int result;
-    __asm__ __volatile__(
-        "lock ; xchgl %0, (%1)\n"
-        : "=r" (result) : "r" (lock), "0" (1) : "cc", "memory");
-    return (result == 0);
-
-#elif defined(__MACOSX__) || defined(__IPHONEOS__)
-    /* Maybe used for PowerPC, but the Intel asm or gcc atomics are favored. */
-    return OSAtomicCompareAndSwap32Barrier(0, 1, lock);
-
-#elif defined(__SOLARIS__) && defined(_LP64)
-    /* Used for Solaris with non-gcc compilers. */
-    return (SDL_bool) ((int) atomic_cas_64((volatile uint64_t*)lock, 0, 1) == 0);
-
-#elif defined(__SOLARIS__) && !defined(_LP64)
-    /* Used for Solaris with non-gcc compilers. */
-    return (SDL_bool) ((int) atomic_cas_32((volatile uint32_t*)lock, 0, 1) == 0);
-
-#else
-#error Please implement for your platform.
-    return SDL_FALSE;
-#endif
-}
-
-/* "REP NOP" is PAUSE, coded for tools that don't know it by that name. */
-#if (defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))
-    #define PAUSE_INSTRUCTION() __asm__ __volatile__("pause\n")  /* Some assemblers can't do REP NOP, so go with PAUSE. */
-#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
-    #define PAUSE_INSTRUCTION() _mm_pause()  /* this is actually "rep nop" and not a SIMD instruction. No inline asm in MSVC x86-64! */
-#elif defined(__WATCOMC__) && defined(__386__)
-    /* watcom assembler rejects PAUSE if CPU < i686, and it refuses REP NOP as an invalid combination. Hardcode the bytes.  */
-    extern _inline void PAUSE_INSTRUCTION(void);
-    #pragma aux PAUSE_INSTRUCTION = "db 0f3h,90h"
-#else
-    #define PAUSE_INSTRUCTION()
-#endif
-
-void
-SDL_AtomicLock(SDL_SpinLock *lock)
-{
-    int iterations = 0;
-    /* FIXME: Should we have an eventual timeout? */
-    while (!SDL_AtomicTryLock(lock)) {
-        if (iterations < 32) {
-            iterations++;
-            PAUSE_INSTRUCTION();
-        } else {
-            /* !!! FIXME: this doesn't definitely give up the current timeslice, it does different things on various platforms. */
-            SDL_Delay(0);
-        }
-    }
-}
-
-void
-SDL_AtomicUnlock(SDL_SpinLock *lock)
-{
-#if defined(_MSC_VER)
-    _ReadWriteBarrier();
-    *lock = 0;
-
-#elif defined(__WATCOMC__) && defined(__386__)
-    SDL_CompilerBarrier ();
-    *lock = 0;
-
-#elif HAVE_GCC_ATOMICS || HAVE_GCC_SYNC_LOCK_TEST_AND_SET
-    __sync_lock_release(lock);
-
-#elif defined(__SOLARIS__)
-    /* Used for Solaris when not using gcc. */
-    *lock = 0;
-    membar_producer();
-
-#else
-    *lock = 0;
-#endif
-}
-
-/* vi: set ts=4 sw=4 expandtab: */