47 lines
1.3 KiB
C
47 lines
1.3 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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#ifndef _TD_UTIL_IDPOOL_H_
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#define _TD_UTIL_IDPOOL_H_
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#include "os.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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int32_t maxId;
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int32_t numOfFree;
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int32_t freeSlot;
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bool *freeList;
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TdThreadMutex mutex;
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} id_pool_t;
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void *taosInitIdPool(int32_t maxId);
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int32_t taosUpdateIdPool(id_pool_t *handle, int32_t maxId);
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int32_t taosIdPoolMaxSize(id_pool_t *handle);
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int32_t taosAllocateId(id_pool_t *handle);
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void taosFreeId(id_pool_t *handle, int32_t id);
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void taosIdPoolCleanUp(id_pool_t *handle);
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int32_t taosIdPoolNumOfUsed(id_pool_t *handle);
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bool taosIdPoolMarkStatus(id_pool_t *handle, int32_t id);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_UTIL_IDPOOL_H_*/
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