mirror of https://gitee.com/bigwinds/arangodb
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_LOGGER_LOG_THREAD_H
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#define ARANGODB_LOGGER_LOG_THREAD_H 1
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#include "Basics/ConditionVariable.h"
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#include "Basics/Thread.h"
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#include <boost/lockfree/queue.hpp>
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namespace arangodb {
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namespace basics {
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class ConditionVariable;
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}
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struct LogMessage;
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class LogThread final : public Thread {
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public:
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static void log(std::unique_ptr<LogMessage>&);
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// flush all pending log messages
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static void flush();
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public:
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explicit LogThread(std::string const& name);
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~LogThread();
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public:
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bool isSystem() override { return true; }
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bool isSilent() override { return true; }
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void run() override;
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// whether or not the log thread has messages queued
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bool hasMessages();
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// wake up the log thread from the outside
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void wakeup();
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private:
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static arangodb::basics::ConditionVariable* CONDITION;
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static boost::lockfree::queue<LogMessage*>* MESSAGES;
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arangodb::basics::ConditionVariable _condition;
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boost::lockfree::queue<LogMessage*> _messages;
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};
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} // namespace arangodb
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#endif
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