/usr/include/mongo/util/touch_pages.h is in mongodb-dev 1:2.4.9-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | /* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <string>
namespace mongo {
class Extent;
// Given a namespace, page in all pages associated with that namespace
void touchNs( const std::string& ns );
// Touch a range of pages using an OS-specific method.
// Takes a file descriptor, offset, and length, for Linux use.
// Additionally takes an Extent pointer for use on other platforms.
void touch_pages( HANDLE fd, int offset, size_t length, const Extent* ext );
}
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