mirror of https://gitee.com/bigwinds/arangodb
109 lines
3.4 KiB
C++
109 lines
3.4 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 2004-2014 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 Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_WAL_REMOVER_THREAD_H
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#define ARANGOD_WAL_REMOVER_THREAD_H 1
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#include "Basics/Common.h"
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#include "Basics/ConditionVariable.h"
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#include "Basics/Mutex.h"
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#include "Basics/Thread.h"
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namespace triagens {
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namespace wal {
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class LogfileManager;
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class RemoverThread : public basics::Thread {
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//////////////////////////////////////////////////////////////////////////////
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/// @brief RemoverThread
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//////////////////////////////////////////////////////////////////////////////
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private:
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RemoverThread(RemoverThread const&) = delete;
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RemoverThread& operator=(RemoverThread const&) = delete;
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public:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief create the remover thread
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//////////////////////////////////////////////////////////////////////////////
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explicit RemoverThread(LogfileManager*);
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//////////////////////////////////////////////////////////////////////////////
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/// @brief destroy the remover thread
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//////////////////////////////////////////////////////////////////////////////
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~RemoverThread();
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public:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief stops the remover thread
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//////////////////////////////////////////////////////////////////////////////
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void stop();
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protected:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief main loop
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//////////////////////////////////////////////////////////////////////////////
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void run();
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private:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief the logfile manager
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//////////////////////////////////////////////////////////////////////////////
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LogfileManager* _logfileManager;
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//////////////////////////////////////////////////////////////////////////////
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/// @brief condition variable for the collector thread
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//////////////////////////////////////////////////////////////////////////////
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basics::ConditionVariable _condition;
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//////////////////////////////////////////////////////////////////////////////
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/// @brief stop flag
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//////////////////////////////////////////////////////////////////////////////
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volatile sig_atomic_t _stop;
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//////////////////////////////////////////////////////////////////////////////
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/// @brief wait interval for the collector thread when idle
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//////////////////////////////////////////////////////////////////////////////
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static uint64_t const Interval;
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};
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}
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}
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#endif
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