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Merge pull request #17738 from taosdata/fix/TD-19963 

fix: avoid deadlock
This commit is contained in:
Shengliang Guan 2022-10-28 15:25:52 +08:00 committed by GitHub
parent ffdfd39c5e 52cef327b2
commit eb02c0d314
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 6 deletions
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4
source/dnode/mnode/impl/inc/mndInt.h
View File

@ -80,8 +80,8 @@ typedef struct {
} SProfileMgmt;
typedef struct {
SRWLatch lock;
char email[TSDB_FQDN_LEN];
TdThreadMutex lock;
char email[TSDB_FQDN_LEN];
} STelemMgmt;
typedef struct {

12
source/dnode/mnode/impl/src/mndTelem.c
View File

@ -127,8 +127,10 @@ static int32_t mndProcessTelemTimer(SRpcMsg* pReq) {
STelemMgmt* pMgmt = &pMnode->telemMgmt;
if (!tsEnableTelem) return 0;
taosWLockLatch(&pMgmt->lock);
taosThreadMutexLock(&pMgmt->lock);
char* pCont = mndBuildTelemetryReport(pMnode);
taosThreadMutexUnlock(&pMgmt->lock);
if (pCont != NULL) {
if (taosSendHttpReport(tsTelemServer, tsTelemPort, pCont, strlen(pCont), HTTP_FLAT) != 0) {
mError("failed to send telemetry report");
@ -137,18 +139,20 @@ static int32_t mndProcessTelemTimer(SRpcMsg* pReq) {
}
taosMemoryFree(pCont);
}
taosWUnLockLatch(&pMgmt->lock);
return 0;
}
int32_t mndInitTelem(SMnode* pMnode) {
STelemMgmt* pMgmt = &pMnode->telemMgmt;
taosInitRWLatch(&pMgmt->lock);
taosThreadMutexInit(&pMgmt->lock, NULL);
taosGetEmail(pMgmt->email, sizeof(pMgmt->email));
mndSetMsgHandle(pMnode, TDMT_MND_TELEM_TIMER, mndProcessTelemTimer);
return 0;
}
void mndCleanupTelem(SMnode* pMnode) {}
void mndCleanupTelem(SMnode* pMnode) {
STelemMgmt* pMgmt = &pMnode->telemMgmt;
taosThreadMutexDestroy(&pMgmt->lock);
}