40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "meta.h"
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static FORCE_INLINE void *metaMalloc(void *pPool, size_t size) { return vnodeBufPoolMalloc((SVBufPool *)pPool, size); }
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static FORCE_INLINE void metaFree(void *pPool, void *p) { vnodeBufPoolFree((SVBufPool *)pPool, p); }
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// begin a meta txn
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int metaBegin(SMeta *pMeta, int8_t fromSys) {
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if (fromSys) {
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tdbTxnOpen(&pMeta->txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED);
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} else {
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tdbTxnOpen(&pMeta->txn, 0, metaMalloc, metaFree, pMeta->pVnode->inUse, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED);
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}
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if (tdbBegin(pMeta->pEnv, &pMeta->txn) < 0) {
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return -1;
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}
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return 0;
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}
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// commit the meta txn
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int metaCommit(SMeta *pMeta) { return tdbCommit(pMeta->pEnv, &pMeta->txn); }
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// abort the meta txn
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int metaAbort(SMeta *pMeta) { return tdbAbort(pMeta->pEnv, &pMeta->txn); }
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