util_tdb: move timeout chainlock variants from source3/lib/util/util_tdb.c

We're about to use them for dbwrap.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/util/util_tdb.h b/lib/util/util_tdb.h
index 0b6f3f18a4..d8a2333035 100644
--- a/lib/util/util_tdb.h
+++ b/lib/util/util_tdb.h
@@ -52,6 +52,24 @@ int tdb_read_lock_bystring(struct tdb_context *tdb, const char *keyval);
 void tdb_read_unlock_bystring(struct tdb_context *tdb, const char *keyval);
 
 /****************************************************************************
+ Lock a chain, with timeout.
+****************************************************************************/
+int tdb_chainlock_with_timeout( struct tdb_context *tdb, TDB_DATA key,
+				unsigned int timeout);
+
+/****************************************************************************
+ Lock a chain by string, with timeout Return non-zero if lock failed.
+****************************************************************************/
+int tdb_lock_bystring_with_timeout(struct tdb_context *tdb, const char *keyval,
+				   int timeout);
+
+/****************************************************************************
+ Readlock a chain by string, with timeout Return non-zero if lock failed.
+****************************************************************************/
+int tdb_read_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval,
+					unsigned int timeout);
+
+/****************************************************************************
  Fetch a int32_t value by a arbitrary blob key, return -1 if not found.
  Output is int32_t in native byte order.
 ****************************************************************************/