diff options
Diffstat (limited to 'lib/tdb/common')
| -rw-r--r-- | lib/tdb/common/lock.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/lib/tdb/common/lock.c b/lib/tdb/common/lock.c index 030460c781..adff8a6580 100644 --- a/lib/tdb/common/lock.c +++ b/lib/tdb/common/lock.c @@ -309,8 +309,8 @@ int tdb_nest_lock(struct tdb_context *tdb, uint32_t offset, int ltype, return 0; } -/* lock a list in the database. list -1 is the alloc list */ -int tdb_lock(struct tdb_context *tdb, int list, int ltype) +static int tdb_lock_list(struct tdb_context *tdb, int list, int ltype, + enum tdb_lock_flags waitflag) { int ret; @@ -324,9 +324,17 @@ int tdb_lock(struct tdb_context *tdb, int list, int ltype) tdb->ecode = TDB_ERR_LOCK; ret = -1; } else { - ret = tdb_nest_lock(tdb, lock_offset(list), ltype, - TDB_LOCK_WAIT); + ret = tdb_nest_lock(tdb, lock_offset(list), ltype, waitflag); } + return ret; +} + +/* lock a list in the database. list -1 is the alloc list */ +int tdb_lock(struct tdb_context *tdb, int list, int ltype) +{ + int ret; + + ret = tdb_lock_list(tdb, list, ltype, TDB_LOCK_WAIT); if (ret) { TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_lock failed on list %d " "ltype=%d (%s)\n", list, ltype, strerror(errno))); @@ -337,18 +345,7 @@ int tdb_lock(struct tdb_context *tdb, int list, int ltype) /* lock a list in the database. list -1 is the alloc list. non-blocking lock */ int tdb_lock_nonblock(struct tdb_context *tdb, int list, int ltype) { - /* a allrecord lock allows us to avoid per chain locks */ - if (tdb->allrecord_lock.count && - (ltype == tdb->allrecord_lock.ltype || ltype == F_RDLCK)) { - return 0; - } - - if (tdb->allrecord_lock.count) { - tdb->ecode = TDB_ERR_LOCK; - return -1; - } - - return tdb_nest_lock(tdb, lock_offset(list), ltype, TDB_LOCK_NOWAIT); + return tdb_lock_list(tdb, list, ltype, TDB_LOCK_NOWAIT); } |