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//
// SharedMemory.cpp
//
// Library: Foundation
// Package: Processes
// Module: SharedMemory
//
// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/SharedMemory.h"
#include "Poco/Exception.h"
#if defined(POCO_NO_SHAREDMEMORY)
#include "SharedMemory_DUMMY.cpp"
#elif defined(POCO_OS_FAMILY_WINDOWS)
#include "SharedMemory_WIN32.cpp"
#elif defined(POCO_OS_FAMILY_UNIX)
#include "SharedMemory_POSIX.cpp"
#else
#include "SharedMemory_DUMMY.cpp"
#endif
namespace Poco {
SharedMemory::SharedMemory():
_pImpl(0)
{
}
SharedMemory::SharedMemory(const std::string& name, std::size_t size, AccessMode mode, const void* addrHint, bool server):
_pImpl(new SharedMemoryImpl(name, size, mode, addrHint, server))
{
}
SharedMemory::SharedMemory(const Poco::File& file, AccessMode mode, const void* addrHint):
_pImpl(new SharedMemoryImpl(file, mode, addrHint))
{
}
SharedMemory::SharedMemory(const SharedMemory& other):
_pImpl(other._pImpl)
{
if (_pImpl)
_pImpl->duplicate();
}
SharedMemory::~SharedMemory()
{
if (_pImpl)
_pImpl->release();
}
SharedMemory& SharedMemory::operator = (const SharedMemory& other)
{
SharedMemory tmp(other);
swap(tmp);
return *this;
}
char* SharedMemory::begin() const
{
if (_pImpl)
return _pImpl->begin();
else
return 0;
}
char* SharedMemory::end() const
{
if (_pImpl)
return _pImpl->end();
else
return 0;
}
} // namespace Poco
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