tdb: expose transaction lock infrastructure for ctdb

[sahlberg/ctdb.git] / lib / tdb / common / lock.c

diff --git a/lib/tdb/common/lock.c b/lib/tdb/common/lock.c
index 803feeecbb0587d575206a7b72791cd40d413767..f0da8818d190247be700c69204ec4f0c9327d299 100644 (file)
--- a/lib/tdb/common/lock.c
+++ b/lib/tdb/common/lock.c
@@ -861,3 +861,23 @@ void tdb_release_transaction_locks(struct tdb_context *tdb)
                SAFE_FREE(tdb->lockrecs);
        }
 }
+
+int tdb_transaction_write_lock_mark(struct tdb_context *tdb)
+{
+       return tdb_transaction_lock(tdb, F_WRLCK, TDB_LOCK_MARK_ONLY);
+}
+
+int tdb_transaction_write_lock(struct tdb_context *tdb)
+{
+       return tdb_transaction_lock(tdb, F_WRLCK, 0);
+}
+
+int tdb_transaction_write_unlock(struct tdb_context *tdb)
+{
+       return tdb_transaction_unlock(tdb, F_WRLCK);
+}
+
+int tdb_transaction_write_lock_unmark(struct tdb_context *tdb)
+{
+       return tdb_nest_unlock(tdb, TRANSACTION_LOCK, F_WRLCK, true);
+}