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mdbx: backport - Add error MDB_PROBLEM, replace some MDB_CORRUPTED.

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When problem is most likely in txn, not on disk.

Change-Id: Ie01d9eb32e8f250f6dd98f3fe84c38ed15593a2e
This commit is contained in:
Hallvard Furuseth 2016-07-14 05:53:21 +02:00 committed by Leo Yuriev
parent 3befcdab01
commit dd98ab22da
2 changed files with 8 additions and 5 deletions
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4
lmdb.h
View File

@ -475,8 +475,10 @@ typedef enum MDB_cursor_op {
#define MDB_BAD_VALSIZE (-30781)
/** The specified DBI was changed unexpectedly */
#define MDB_BAD_DBI (-30780)
/** Unexpected problem - txn should abort */
#define MDB_PROBLEM (-30779)
/** The last defined error code */
#define MDB_LAST_ERRCODE MDB_BAD_DBI
#define MDB_LAST_ERRCODE MDB_PROBLEM
/** @} */
/** @brief Statistics for a database in the environment */

9
mdb.c
View File

@ -1181,6 +1181,7 @@ static char *const mdb_errstr[] = {
"MDB_BAD_TXN: Transaction must abort, has a child, or is invalid",
"MDB_BAD_VALSIZE: Unsupported size of key/DB name/data, or wrong DUPFIXED size",
"MDB_BAD_DBI: The specified DBI handle was closed/changed unexpectedly",
"MDB_PROBLEM: Unexpected problem - txn should abort",
};
char * __cold
@ -1640,7 +1641,7 @@ mdb_page_loose(MDB_cursor *mc, MDB_page *mp)
if (unlikely(mp != dl[x].mptr)) { /* bad cursor? */
mc->mc_flags &= ~(C_INITIALIZED|C_EOF);
txn->mt_flags |= MDB_TXN_ERROR;
return MDB_CORRUPTED;
return MDB_PROBLEM;
}
/* ok, it's ours */
loose = 1;
@ -2490,7 +2491,7 @@ mdb_page_touch(MDB_cursor *mc)
if (unlikely(mp != dl[x].mptr)) { /* bad cursor? */
mc->mc_flags &= ~(C_INITIALIZED|C_EOF);
txn->mt_flags |= MDB_TXN_ERROR;
return MDB_CORRUPTED;
return MDB_PROBLEM;
}
return 0;
}
@ -5664,7 +5665,7 @@ mdb_ovpage_free(MDB_cursor *mc, MDB_page *mp)
j = ++(dl[0].mid);
dl[j] = ix; /* Unsorted. OK when MDB_TXN_ERROR. */
txn->mt_flags |= MDB_TXN_ERROR;
return MDB_CORRUPTED;
return MDB_PROBLEM;
}
}
txn->mt_dirty_room++;
@ -7030,7 +7031,7 @@ put_sub:
return rc;
bad_sub:
if (unlikely(rc == MDB_KEYEXIST)) /* should not happen, we deleted that item */
rc = MDB_CORRUPTED;
rc = MDB_PROBLEM;
}
mc->mc_txn->mt_flags |= MDB_TXN_ERROR;
return rc;