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fix: deadlock while drop mnode in multi-process mode

This commit is contained in:
Shengliang Guan 2022-04-20 09:07:06 +08:00
parent daefe101c1
commit 4e64e8db62
2 changed files with 7 additions and 10 deletions
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13
source/dnode/mgmt/implement/src/dmExec.c
View File

@ -174,6 +174,11 @@ void dmStopNode(SMgmtWrapper *pWrapper) {
void dmCloseNode(SMgmtWrapper *pWrapper) {
dInfo("node:%s, start to close", pWrapper->name);
while (pWrapper->refCount > 0) {
taosMsleep(10);
}
if (pWrapper->procType == DND_PROC_PARENT) {
if (pWrapper->procId > 0 && taosProcExist(pWrapper->procId)) {
dInfo("node:%s, send kill signal to the child process:%d", pWrapper->name, pWrapper->procId);
@ -186,18 +191,10 @@ void dmCloseNode(SMgmtWrapper *pWrapper) {
dmStopNode(pWrapper);
pWrapper->required = false;
taosWLockLatch(&pWrapper->latch);
if (pWrapper->deployed) {
(*pWrapper->fp.closeFp)(pWrapper);
pWrapper->deployed = false;
}
taosWUnLockLatch(&pWrapper->latch);
while (pWrapper->refCount > 0) {
taosMsleep(10);
}
if (pWrapper->procObj) {
taosProcCleanup(pWrapper->procObj);
pWrapper->procObj = NULL;

2
source/dnode/mgmt/implement/src/dmHandle.c
View File

@ -175,9 +175,9 @@ int32_t dmProcessDropNodeReq(SDnode *pDnode, EDndNodeType ntype, SNodeMsg *pMsg)
dmReleaseWrapper(pWrapper);
if (code == 0) {
dmCloseNode(pWrapper);
pWrapper->required = false;
pWrapper->deployed = false;
dmCloseNode(pWrapper);
taosRemoveDir(pWrapper->path);
}
taosThreadMutexUnlock(&pDnode->mutex);