/*
  * Copyright (c) 2012 Ronald S. Bultje <rsbultje@gmail.com>
  *

  * This file is part of FFmpeg.

  *

  * FFmpeg is free software; you can redistribute it and/or

  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *

  * FFmpeg is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 

 #ifndef AVUTIL_ATOMIC_WIN32_H
 #define AVUTIL_ATOMIC_WIN32_H
 

 #include <windows.h>
 
 #include "atomic.h"
 
 #define avpriv_atomic_int_get atomic_int_get_win32
 static inline int atomic_int_get_win32(volatile int *ptr)
 {
     MemoryBarrier();
     return *ptr;
 }
 
 #define avpriv_atomic_int_set atomic_int_set_win32
 static inline void atomic_int_set_win32(volatile int *ptr, int val)
 {
     *ptr = val;
     MemoryBarrier();
 }
 
 #define avpriv_atomic_int_add_and_fetch atomic_int_add_and_fetch_win32
 static inline int atomic_int_add_and_fetch_win32(volatile int *ptr, int inc)
 {
     return inc + InterlockedExchangeAdd(ptr, inc);
 }
 
 #define avpriv_atomic_ptr_cas atomic_ptr_cas_win32
 static inline void *atomic_ptr_cas_win32(void * volatile *ptr,
                                          void *oldval, void *newval)
 {
     return InterlockedCompareExchangePointer(ptr, newval, oldval);
 }

 
 #endif /* AVUTIL_ATOMIC_WIN32_H */