}
/* 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)
+_PUBLIC_ int tdb_lock_nonblock(struct tdb_context *tdb, int list, int ltype)
{
return tdb_lock_list(tdb, list, ltype, TDB_LOCK_NOWAIT);
}
return ret;
}
-int tdb_unlock(struct tdb_context *tdb, int list, int ltype)
+_PUBLIC_ int tdb_unlock(struct tdb_context *tdb, int list, int ltype)
{
/* a global lock allows us to avoid per chain locks */
if (tdb->allrecord_lock.count &&
SAFE_FREE(tdb->lockrecs);
}
}
+
+/* Following functions are added specifically to support CTDB. */
+
+/* Don't do actual fcntl locking, just mark tdb locked */
+_PUBLIC_ int tdb_transaction_write_lock_mark(struct tdb_context *tdb)
+{
+ return tdb_transaction_lock(tdb, F_WRLCK, TDB_LOCK_MARK_ONLY);
+}
+
+/* Don't do actual fcntl unlocking, just mark tdb unlocked */
+_PUBLIC_ int tdb_transaction_write_lock_unmark(struct tdb_context *tdb)
+{
+ return tdb_nest_unlock(tdb, TRANSACTION_LOCK, F_WRLCK, true);
+}