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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id: cacheutils.h 4051 2013-08-09 22:38:47Z wweeks $
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//
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/** @file */
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#pragma once
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#include "brmtypes.h"
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/**
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* block cache utilities
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*/
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namespace cacheutils
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{
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/** @brief flush the block cache
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*
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* Use the config file and messaging to signal all PrimProc's to flush their caches.
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*/
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int flushPrimProcCache();
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/** @brief flush these blocks from cache
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*
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* Use the config file and messaging to signal all PrimProc's to flush their caches of any of
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* the specified LBID@@Vers.
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*/
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int flushPrimProcBlocks(const BRM::BlockList_t& list);
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/** @brief flush all version of blocks from cache
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*
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* Use the config file and messaging to signal all PrimProc's to flush their caches of any of
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* the specified LBIDs.
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*/
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int flushPrimProcAllverBlocks(const std::vector<BRM::LBID_t>& list);
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/** @brief flush all versions of all lbids belonging to the given oids.
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*
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* Flush all versions of all lbids belonging to the given oids.
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*/
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int flushOIDsFromCache(const std::vector<BRM::OID_t>&);
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/** @brief Flush all versions of all lbids for the given OIDs and partition number.
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*
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* Flush all versions of all lbids for the given OIDs and partition number.
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*/
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int flushPartition(const std::vector<BRM::OID_t>&, std::set<BRM::LogicalPartition>& partitionNum);
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/** @brief drop file descriptor cache
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*
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* Use the config file and messaging to signal all PrimProc's to drop the fd cache
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*/
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int dropPrimProcFdCache();
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/** @brief drop the files from file descriptor cache
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*
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* Use the config file and messaging to signal all PrimProc's to drop the fd cache
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*/
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int purgePrimProcFdCache(const std::vector<BRM::FileInfo> files, const int pmId);
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} // namespace cacheutils
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