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82421c208f
* MSan added with fixes for libc++ * libc++ sepatare build * add libc++ to ci * libstdc++ in CI * libcpp and msan to external projects * std::sqrt * awful_hack(ci): install whole llvm instead of libc++ in terrible way for test containers * Adding ddeb packages for teststages and repos * libc++ more for test container * save some money on debug * colored coredumps * revert ci * chore(ci): collect asan ubsan and libc++ build with mtr and regression status ignored
75 lines
2.0 KiB
C++
75 lines
2.0 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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/******************************************************************************
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* $Id: lbidresourcegraph.h 1823 2013-01-21 14:13:09Z rdempsey $
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*
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*****************************************************************************/
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/** @file
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* class XXX interface
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*/
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#pragma once
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#include <map>
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#include <set>
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#include <unordered.h>
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#include <boost/thread.hpp>
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#include "brmtypes.h"
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#include "transactionnode.h"
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#include "resourcenode.h"
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#define EXPORT
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namespace BRM
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{
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class LBIDResourceGraph
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{
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public:
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typedef std::tr1::unordered_set<ResourceNode*, RNHasher, RNEquals> RNodes_t;
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EXPORT LBIDResourceGraph();
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EXPORT ~LBIDResourceGraph();
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EXPORT int reserveRange(LBID_t start, LBID_t end, VER_t txn, boost::mutex& mutex);
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/// releases all resources held by txn
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EXPORT void releaseResources(VER_t txn);
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/// releases one resource
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EXPORT void releaseResource(LBID_t start);
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private:
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uint64_t color;
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LBIDResourceGraph(const LBIDResourceGraph&) = delete;
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LBIDResourceGraph& operator=(const LBIDResourceGraph&) = delete;
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void connectResources(LBID_t start, LBID_t end, TransactionNode* txnNode);
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bool checkDeadlock(TransactionNode&);
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bool DFSStep(RGNode*, uint64_t, uint64_t) const;
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std::map<VER_t, TransactionNode*> txns;
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RNodes_t resources;
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};
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} // namespace BRM
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#undef EXPORT
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