74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/*
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* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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*
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* openGauss is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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*
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*---------------------------------------------------------------------------------------
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*
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* threadpool_scheduler.h
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*
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*
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* IDENTIFICATION
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* /src/include/threadpool/threadpool_scheduler.h
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*
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*---------------------------------------------------------------------------------------
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*/
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#ifndef THREAD_POOL_SCHEDULER_CONTROL_H
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#define THREAD_POOL_SCHEDULER_CONTROL_H
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class ThreadPoolScheduler : public BaseObject{
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public:
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ThreadPoolScheduler(int groupNum, ThreadPoolGroup** groups);
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~ThreadPoolScheduler();
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int StartUp();
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void DynamicAdjustThreadPool();
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void GPCScheduleCleaner(int* gpc_count);
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void CheckGroupHang();
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void ShutDown() const;
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void SigHupHandler();
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inline ThreadId GetThreadId()
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{
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return m_tid;
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}
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inline void SetShutDown(bool has_shutdown)
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{
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m_has_shutdown = has_shutdown;
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}
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inline bool HasShutDown()
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{
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return m_has_shutdown;
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}
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MemoryContext m_gpcContext;
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bool m_getSIGHUP;
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volatile bool m_canAdjustPool;
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bool m_getKilled;
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private:
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void AdjustWorkerPool(int idx);
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void AdjustStreamPool(int idx);
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void ReduceWorkerIfNecessary(int groupIdx);
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void EnlargeWorkerIfNecessage(int groupIdx);
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private:
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ThreadId m_tid;
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int m_groupNum;
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ThreadPoolGroup** m_groups;
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uint* m_hangTestCount;
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uint* m_freeTestCount;
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uint* m_freeStreamCount;
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volatile bool m_has_shutdown;
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};
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#define THREAD_SCHEDULER_STEP 8
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extern void TpoolSchedulerMain(ThreadPoolScheduler* scheduler);
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#endif
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