36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file under third_party_mods/chromium directory of
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// source tree or at
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// http://src.chromium.org/viewvc/chrome/trunk/src/LICENSE
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// Various inline functions and macros to fix compilation of 32 bit target
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// on MSVC with /Wp64 flag enabled.
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// The original code can be found here:
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// http://src.chromium.org/svn/trunk/src/base/fix_wp64.h
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#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_FIX_INTERLOCKED_EXCHANGE_POINTER_WINDOWS_H_
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#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_FIX_INTERLOCKED_EXCHANGE_POINTER_WINDOWS_H_
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#include <windows.h>
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// Platform SDK fixes when building with /Wp64 for a 32 bits target.
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#if !defined(_WIN64) && defined(_Wp64)
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#ifdef InterlockedExchangePointer
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#undef InterlockedExchangePointer
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// The problem is that the macro provided for InterlockedExchangePointer() is
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// doing a (LONG) C-style cast that triggers invariably the warning C4312 when
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// building on 32 bits.
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inline void* InterlockedExchangePointer(void* volatile* target, void* value) {
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return reinterpret_cast<void*>(static_cast<LONG_PTR>(InterlockedExchange(
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reinterpret_cast<volatile LONG*>(target),
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static_cast<LONG>(reinterpret_cast<LONG_PTR>(value)))));
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}
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#endif // #ifdef InterlockedExchangePointer
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#endif // #if !defined(_WIN64) && defined(_Wp64)
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#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_FIX_INTERLOCKED_EXCHANGE_POINTER_WINDOWS_H_
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