mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
114 lines
No EOL
2.9 KiB
C
114 lines
No EOL
2.9 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 "vnd.h"
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#include "tglobal.h"
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SVnodeMgr vnodeMgr = {.vnodeInitFlag = TD_MOD_UNINITIALIZED};
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static void* loop(void* arg);
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int vnodeInit() {
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if (TD_CHECK_AND_SET_MODE_INIT(&(vnodeMgr.vnodeInitFlag)) == TD_MOD_INITIALIZED) {
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return 0;
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}
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vnodeMgr.stop = false;
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// Start commit handers
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vnodeMgr.nthreads = tsNumOfCommitThreads;
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vnodeMgr.threads = taosMemoryCalloc(vnodeMgr.nthreads, sizeof(TdThread));
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if (vnodeMgr.threads == NULL) {
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return -1;
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}
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taosThreadMutexInit(&(vnodeMgr.mutex), NULL);
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taosThreadCondInit(&(vnodeMgr.hasTask), NULL);
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TD_DLIST_INIT(&(vnodeMgr.queue));
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for (uint16_t i = 0; i < vnodeMgr.nthreads; i++) {
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taosThreadCreate(&(vnodeMgr.threads[i]), NULL, loop, NULL);
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// pthread_setname_np(vnodeMgr.threads[i], "VND Commit Thread");
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}
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if (walInit() < 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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void vnodeCleanup() {
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if (TD_CHECK_AND_SET_MOD_CLEAR(&(vnodeMgr.vnodeInitFlag)) == TD_MOD_UNINITIALIZED) {
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return;
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}
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// Stop commit handler
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taosThreadMutexLock(&(vnodeMgr.mutex));
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vnodeMgr.stop = true;
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taosThreadCondBroadcast(&(vnodeMgr.hasTask));
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taosThreadMutexUnlock(&(vnodeMgr.mutex));
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for (uint16_t i = 0; i < vnodeMgr.nthreads; i++) {
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taosThreadJoin(vnodeMgr.threads[i], NULL);
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}
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taosMemoryFreeClear(vnodeMgr.threads);
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taosThreadCondDestroy(&(vnodeMgr.hasTask));
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taosThreadMutexDestroy(&(vnodeMgr.mutex));
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}
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int vnodeScheduleTask(SVnodeTask* pTask) {
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taosThreadMutexLock(&(vnodeMgr.mutex));
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TD_DLIST_APPEND(&(vnodeMgr.queue), pTask);
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taosThreadCondSignal(&(vnodeMgr.hasTask));
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taosThreadMutexUnlock(&(vnodeMgr.mutex));
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return 0;
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}
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/* ------------------------ STATIC METHODS ------------------------ */
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static void* loop(void* arg) {
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setThreadName("vnode-commit");
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SVnodeTask* pTask;
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for (;;) {
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taosThreadMutexLock(&(vnodeMgr.mutex));
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for (;;) {
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pTask = TD_DLIST_HEAD(&(vnodeMgr.queue));
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if (pTask == NULL) {
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if (vnodeMgr.stop) {
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taosThreadMutexUnlock(&(vnodeMgr.mutex));
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return NULL;
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} else {
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taosThreadCondWait(&(vnodeMgr.hasTask), &(vnodeMgr.mutex));
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}
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} else {
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TD_DLIST_POP(&(vnodeMgr.queue), pTask);
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break;
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}
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}
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taosThreadMutexUnlock(&(vnodeMgr.mutex));
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(*(pTask->execute))(pTask->arg);
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taosMemoryFree(pTask);
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}
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return NULL;
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} |