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ITS#7377 Catch mdb_put() to blocked/read-only txns

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...early enough that txn state is left unchanged.
This commit is contained in:
Hallvard Furuseth 2015-07-19 21:44:02 +02:00
parent d7db12ad77
commit 4dea7d44fa
1 changed files with 3 additions and 0 deletions
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3
libraries/liblmdb/mdb.c
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@ -8602,6 +8602,9 @@ mdb_put(MDB_txn *txn, MDB_dbi dbi,
if (flags & ~(MDB_NOOVERWRITE|MDB_NODUPDATA|MDB_RESERVE|MDB_APPEND|MDB_APPENDDUP))
return EINVAL;
if (txn->mt_flags & (MDB_TXN_RDONLY|MDB_TXN_BLOCKED))
return (txn->mt_flags & MDB_TXN_RDONLY) ? EACCES : MDB_BAD_TXN;
mdb_cursor_init(&mc, txn, dbi, &mx);
return mdb_cursor_put(&mc, key, data, flags);
}