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0167fa0060
Ensures that the header include order is such that winsock2.h is always included before windows.h or that windows.h does not include winsock.h. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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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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#define WIN32_LEAN_AND_MEAN
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#include <windows.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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