tyiu/damus
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nostrdb: don't begin query if we have a bad lmdb env

Browse Source 
In some weird multithreaded situations after we close the database,
this can be an issue.
This commit is contained in:
William Casarin
2023-12-11 14:43:12 -08:00
parent 92df446d72
commit c7cc8df5ba
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
nostrdb/nostrdb.c
View File

@@ -864,7 +864,9 @@ static int _ndb_begin_query(struct ndb *ndb, struct ndb_txn *txn, int flags)
{
txn->lmdb = &ndb->lmdb;
MDB_txn **mdb_txn = (MDB_txn **)&txn->mdb_txn;
return mdb_txn_begin(txn->lmdb->env, NULL, flags, mdb_txn) == 0;
if (!txn->lmdb->env)
return 0;
return mdb_txn_begin(txn->lmdb->env, NULL, flags, mdb_txn) == 0;
}
int ndb_begin_query(struct ndb *ndb, struct ndb_txn *txn)