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[td-1315]

This commit is contained in:
Haojun Liao 2020-09-04 11:50:57 +08:00
parent 39e55b2021
commit 510be65028
1 changed files with 4 additions and 2 deletions
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6
src/util/src/tcache.c
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@ -366,7 +366,9 @@ void taosCacheRelease(SCacheObj *pCacheObj, void **data, bool _remove) {
if (inTrashCan) { if (inTrashCan) {
ref = T_REF_VAL_GET(pNode); ref = T_REF_VAL_GET(pNode);
if (ref == 1) { // it is the last ref, if (ref == 1) {
// If it is the last ref, remove it from trashcan linked-list first, and then destroy it.Otherwise, it may be
// destroyed by refresh worker if decrease ref count before removing it from linked-list.
assert(pNode->pTNodeHeader->pData == pNode); assert(pNode->pTNodeHeader->pData == pNode);
__cache_wr_lock(pCacheObj); __cache_wr_lock(pCacheObj);
@ -379,7 +381,7 @@ void taosCacheRelease(SCacheObj *pCacheObj, void **data, bool _remove) {
doDestroyTrashcanElem(pCacheObj, pNode->pTNodeHeader); doDestroyTrashcanElem(pCacheObj, pNode->pTNodeHeader);
} else { } else {
ref = T_REF_DEC(pNode); ref = T_REF_DEC(pNode);
assert(ref > 0); assert(ref >= 0);
} }
} else { } else {
// NOTE: remove it from hash in the first place, otherwise, the pNode may have been released by other thread // NOTE: remove it from hash in the first place, otherwise, the pNode may have been released by other thread