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91 lines
1.5 KiB
C++
91 lines
1.5 KiB
C++
//
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// SharedMemory.cpp
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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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// SPDX-License-Identifier: BSL-1.0
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//
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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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