tdb2: cancel transactions on tdb_close

[ccan] / ccan / tdb2 / tdb2.h

diff --git a/ccan/tdb2/tdb2.h b/ccan/tdb2/tdb2.h
index 343264d588f0a04db188556f6f1f1f542cd4cd2b..5050b3fd4170df4c593c1d756c2bda07a3572099 100644 (file)
--- a/ccan/tdb2/tdb2.h
+++ b/ccan/tdb2/tdb2.h
@@ -80,13 +80,14 @@ struct tdb_context;
 
 /* FIXME: Make typesafe */
 typedef int (*tdb_traverse_func)(struct tdb_context *, TDB_DATA, TDB_DATA, void *);
-typedef void (*tdb_logfn_t)(struct tdb_context *, enum tdb_debug_level, void *priv, const char *, ...) PRINTF_ATTRIBUTE(4, 5);
+typedef void (*tdb_logfn_t)(struct tdb_context *, enum tdb_debug_level, void *priv, const char *, ...) PRINTF_FMT(4, 5);
 typedef uint64_t (*tdb_hashfn_t)(const void *key, size_t len, uint64_t seed,
                                 void *priv);
 
 enum tdb_attribute_type {
        TDB_ATTRIBUTE_LOG = 0,
-       TDB_ATTRIBUTE_HASH = 1
+       TDB_ATTRIBUTE_HASH = 1,
+       TDB_ATTRIBUTE_SEED = 2
 };
 
 struct tdb_attribute_base {
@@ -106,10 +107,16 @@ struct tdb_attribute_hash {
        void *hash_private;
 };
 
+struct tdb_attribute_seed {
+       struct tdb_attribute_base base; /* .attr = TDB_ATTRIBUTE_SEED */
+       uint64_t seed;
+};
+
 union tdb_attribute {
        struct tdb_attribute_base base;
        struct tdb_attribute_log log;
        struct tdb_attribute_hash hash;
+       struct tdb_attribute_seed seed;
 };
                
 struct tdb_context *tdb_open(const char *name, int tdb_flags,
@@ -135,6 +142,11 @@ int tdb_check(struct tdb_context *tdb,
 enum TDB_ERROR tdb_error(struct tdb_context *tdb);
 const char *tdb_errorstr(struct tdb_context *tdb);
 
+int tdb_transaction_start(struct tdb_context *tdb);
+void tdb_transaction_cancel(struct tdb_context *tdb);
+int tdb_transaction_prepare_commit(struct tdb_context *tdb);
+int tdb_transaction_commit(struct tdb_context *tdb);
+
 char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags);
 
 extern struct tdb_data tdb_null;