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/**
* Copyright (C) 2014 MongoDB 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 <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/base/status.h"
#include "mongo/base/status_with.h"
namespace mongo {
struct StorageGlobalParams;
struct ServerGlobalParams;
class StartupWarningsMongod {
private:
StartupWarningsMongod();
public:
/**
* Reads Transparent HugePages kernel parameter in sysfs directory.
* Linux only.
*/
static StatusWith<std::string> readTransparentHugePagesParameter(const std::string& parameter);
/**
* For testing only.
* Supports alternate directory for transparent huge pages files.
*/
static StatusWith<std::string> readTransparentHugePagesParameter(const std::string& parameter,
const std::string& directory);
};
// Checks various startup conditions and logs any necessary warnings that
// are specific to the mongod process.
void logMongodStartupWarnings(const StorageGlobalParams& storageParams,
const ServerGlobalParams& serverParams);
} // namespace mongo
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