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121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
//
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// SharedMemory.cpp
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//
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// $Id: //poco/svn/Foundation/src/SharedMemory.cpp#3 $
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//
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// Library: Foundation
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// Package: Processes
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// Module: SharedMemory
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//
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// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Platform.h"
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#if POCO_OS == POCO_OS_SOLARIS
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#undef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 500
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#endif
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#include "Poco/SharedMemory.h"
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#include "Poco/Exception.h"
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#if defined(POCO_NO_SHAREDMEMORY)
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#include "SharedMemory_DUMMY.cpp"
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#elif defined(POCO_OS_FAMILY_WINDOWS)
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#include "SharedMemory_WIN32.cpp"
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#elif defined(POCO_OS_FAMILY_UNIX)
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#include "SharedMemory_POSIX.cpp"
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#else
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#include "SharedMemory_DUMMY.cpp"
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#endif
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namespace Poco {
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SharedMemory::SharedMemory():
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_pImpl(0)
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{
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}
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SharedMemory::SharedMemory(const std::string& name, std::size_t size, AccessMode mode, const void* addrHint, bool server):
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_pImpl(new SharedMemoryImpl(name, size, mode, addrHint, server))
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{
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}
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SharedMemory::SharedMemory(const Poco::File& file, AccessMode mode, const void* addrHint):
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_pImpl(new SharedMemoryImpl(file, mode, addrHint))
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{
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}
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SharedMemory::SharedMemory(const SharedMemory& other):
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_pImpl(other._pImpl)
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{
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if (_pImpl)
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_pImpl->duplicate();
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}
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SharedMemory::~SharedMemory()
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{
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if (_pImpl)
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_pImpl->release();
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}
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SharedMemory& SharedMemory::operator = (const SharedMemory& other)
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{
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SharedMemory tmp(other);
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swap(tmp);
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return *this;
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}
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char* SharedMemory::begin() const
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{
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if (_pImpl)
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return _pImpl->begin();
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else
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return 0;
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}
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char* SharedMemory::end() const
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{
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if (_pImpl)
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return _pImpl->end();
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else
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return 0;
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}
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} // namespace Poco
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