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Merge pull request #3495 from taosdata/feature/crash 

TD-1284 mnode illegal pointer operation
This commit is contained in:
Shengliang Guan 2020-09-11 21:15:16 +08:00 committed by GitHub
parent 3c916af69d f20723b057
commit 8577b3e35f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 8 deletions
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24
src/mnode/src/mnodeSdb.c
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@ -65,6 +65,7 @@ typedef struct _SSdbTable {
int32_t (*encodeFp)(SSdbOper *pOper);
int32_t (*destroyFp)(SSdbOper *pOper);
int32_t (*restoredFp)();
pthread_mutex_t mutex;
} SSdbTable;
typedef struct {
@ -455,8 +456,9 @@ static void *sdbGetRowMeta(SSdbTable *pTable, void *key) {
}
void **ppRow = (void **)taosHashGet(pTable->iHandle, key, keySize);
if (ppRow == NULL) return NULL;
return *ppRow;
if (ppRow != NULL) return *ppRow;
return NULL;
}
static void *sdbGetRowMetaFromObj(SSdbTable *pTable, void *key) {
@ -464,13 +466,14 @@ static void *sdbGetRowMetaFromObj(SSdbTable *pTable, void *key) {
}
void *sdbGetRow(void *handle, void *key) {
SSdbTable *pTable = handle;
pthread_mutex_lock(&pTable->mutex);
void *pRow = sdbGetRowMeta(handle, key);
if (pRow) {
sdbIncRef(handle, pRow);
if (pRow) sdbIncRef(handle, pRow);
pthread_mutex_unlock(&pTable->mutex);
return pRow;
} else {
return NULL;
}
}
static void *sdbGetRowFromObj(SSdbTable *pTable, void *key) {
@ -485,7 +488,9 @@ static int32_t sdbInsertHash(SSdbTable *pTable, SSdbOper *pOper) {
keySize = strlen((char *)key);
}
pthread_mutex_lock(&pTable->mutex);
taosHashPut(pTable->iHandle, key, keySize, &pOper->pObj, sizeof(int64_t));
pthread_mutex_unlock(&pTable->mutex);
sdbIncRef(pTable, pOper->pObj);
atomic_add_fetch_32(&pTable->numOfRows, 1);
@ -526,7 +531,10 @@ static int32_t sdbDeleteHash(SSdbTable *pTable, SSdbOper *pOper) {
keySize = strlen((char *)key);
}
pthread_mutex_lock(&pTable->mutex);
taosHashRemove(pTable->iHandle, key, keySize);
pthread_mutex_unlock(&pTable->mutex);
atomic_sub_fetch_32(&pTable->numOfRows, 1);
sdbDebug("table:%s, delete record:%s from hash, numOfRows:%" PRId64 ", msg:%p", pTable->tableName,
@ -868,6 +876,7 @@ void *sdbOpenTable(SSdbTableDesc *pDesc) {
if (pTable == NULL) return NULL;
pthread_mutex_init(&pTable->mutex, NULL);
tstrncpy(pTable->tableName, pDesc->tableName, SDB_TABLE_LEN);
pTable->keyType = pDesc->keyType;
pTable->tableId = pDesc->tableId;
@ -915,6 +924,7 @@ void sdbCloseTable(void *handle) {
taosHashDestroyIter(pIter);
taosHashCleanup(pTable->iHandle);
pthread_mutex_destroy(&pTable->mutex);
sdbDebug("table:%s, is closed, numOfTables:%d", pTable->tableName, tsSdbObj.numOfTables);
free(pTable);