homework-jianmu/source/dnode/vnode/src/vnd/vnodeModule.c

38 lines
1.1 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cos.h"
#include "vnd.h"
static volatile int32_t VINIT = 0;
int vnodeInit(int nthreads, StopDnodeFp stopDnodeFp) {
if (atomic_val_compare_exchange_32(&VINIT, 0, 1)) {
return 0;
}
TAOS_CHECK_RETURN(vnodeAsyncOpen(nthreads));
TAOS_CHECK_RETURN(walInit(stopDnodeFp));
return 0;
}
void vnodeCleanup() {
if (atomic_val_compare_exchange_32(&VINIT, 1, 0) == 0) return;
(void)vnodeAsyncClose();
walCleanUp();
smaCleanUp();
}