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55 lines
1.7 KiB
55 lines
1.7 KiB
/* |
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* Copyright (c) 2012 Ronald S. Bultje <rsbultje@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVUTIL_ATOMIC_WIN32_H |
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#define AVUTIL_ATOMIC_WIN32_H |
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#include <windows.h> |
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#include "atomic.h" |
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#define avpriv_atomic_int_get atomic_int_get_win32 |
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static inline int atomic_int_get_win32(volatile int *ptr) |
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{ |
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MemoryBarrier(); |
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return *ptr; |
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} |
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#define avpriv_atomic_int_set atomic_int_set_win32 |
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static inline void atomic_int_set_win32(volatile int *ptr, int val) |
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{ |
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*ptr = val; |
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MemoryBarrier(); |
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} |
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#define avpriv_atomic_int_add_and_fetch atomic_int_add_and_fetch_win32 |
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static inline int atomic_int_add_and_fetch_win32(volatile int *ptr, int inc) |
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{ |
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return inc + InterlockedExchangeAdd(ptr, inc); |
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} |
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#define avpriv_atomic_ptr_cas atomic_ptr_cas_win32 |
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static inline void *atomic_ptr_cas_win32(void * volatile *ptr, |
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void *oldval, void *newval) |
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{ |
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return InterlockedCompareExchangePointer(ptr, newval, oldval); |
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} |
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#endif /* AVUTIL_ATOMIC_WIN32_H */
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