// mmap_mm.cpp /** * Copyright (C) 2008 10gen Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, version 3, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #include "stdafx.h" #include "mmap.h" /* in memory (no file) version */ namespace mongo { MemoryMappedFile::MemoryMappedFile() { fd = 0; maphandle = 0; view = 0; len = 0; } void MemoryMappedFile::close() { if ( view ) delete( view ); view = 0; len = 0; } void* MemoryMappedFile::map(const char *filename, size_t length) { path p( filename ); view = malloc( length ); return view; } void MemoryMappedFile::flush(bool sync) { } }