#define TDB_SEQNUM 128 /* maintain a sequence number */
#define TDB_VOLATILE 256 /* Activate the per-hashchain freelist, default 5 */
#define TDB_ALLOW_NESTING 512 /* Allow transactions to nest */
-#define TDB_DISALLOW_NESTING 1024 /* Disallow transactions to nest */
/* error codes */
enum TDB_ERROR {TDB_SUCCESS=0, TDB_ERR_CORRUPT, TDB_ERR_IO, TDB_ERR_LOCK,
- TDB_ERR_OOM, TDB_ERR_EXISTS, TDB_ERR_NOLOCK, TDB_ERR_LOCK_TIMEOUT,
- TDB_ERR_NOEXIST, TDB_ERR_EINVAL, TDB_ERR_RDONLY,
- TDB_ERR_NESTING};
+ TDB_ERR_OOM, TDB_ERR_EXISTS, TDB_ERR_NOEXIST,
+ TDB_ERR_EINVAL, TDB_ERR_RDONLY, TDB_ERR_NESTING };
/* debugging uses one of the following levels */
enum tdb_debug_level {TDB_DEBUG_FATAL = 0, TDB_DEBUG_ERROR,
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 uint64_t (*tdb_hashfn_t)(const void *key, size_t len, uint64_t seed,
void *priv);
int tdb_delete(struct tdb_context *tdb, struct tdb_data key);
int tdb_store(struct tdb_context *tdb, struct tdb_data key, struct tdb_data dbuf, int flag);
int tdb_append(struct tdb_context *tdb, struct tdb_data key, struct tdb_data dbuf);
+int tdb_chainlock(struct tdb_context *tdb, TDB_DATA key);
+int tdb_chainunlock(struct tdb_context *tdb, TDB_DATA key);
+int64_t tdb_traverse(struct tdb_context *tdb, tdb_traverse_func fn, void *p);
+int64_t tdb_traverse_read(struct tdb_context *tdb,
+ tdb_traverse_func fn, void *p);
int tdb_close(struct tdb_context *tdb);
int tdb_check(struct tdb_context *tdb,
int (*check)(TDB_DATA key, TDB_DATA data, void *private_data),
void *private_data);
enum TDB_ERROR tdb_error(struct tdb_context *tdb);
+const char *tdb_errorstr(struct tdb_context *tdb);
extern struct tdb_data tdb_null;