43 lines
2.1 KiB
C
43 lines
2.1 KiB
C
//---------------------------------------------------------------------------------------------------------------------------------
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// File: InterlockedAtomic.h
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//
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// Contents: Contains a portable abstraction for interlocked, atomic
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// operations on int32_t and pointer types.
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//
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// Microsoft Drivers 5.6 for PHP for SQL Server
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// Copyright(c) Microsoft Corporation
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// All rights reserved.
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// MIT License
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files(the ""Software""),
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// to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and / or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions :
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// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//---------------------------------------------------------------------------------------------------------------------------------
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#ifndef __INTERLOCKEDATOMIC_H__
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#define __INTERLOCKEDATOMIC_H__
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// Forward references and contract specifications
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//
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// Always returns old value
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// Sets to new value if old value equals compareTo
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LONG InterlockedCompareExchange( LONG volatile * atomic, LONG newValue, LONG compareTo );
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// Use conditional compilation to load the implementation
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//
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#if defined(_MSC_VER)
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#include "InterlockedAtomic_WwoWH.h"
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#elif defined(__GNUC__)
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#include "interlockedatomic_gcc.h"
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#else
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#error "Unsupported compiler"
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#endif
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#endif // __INTERLOCKEDATOMIC_H__
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