X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Ftdb2.h;h=f856827fcc8f9997598665643b5a0fb44417cec7;hp=a33022a8f5033ad52d7ee20c9e2bb0397c101201;hb=8a462e5a662a6da97060162f0b9220c60ebfdd8c;hpb=ebdd6451e2d7aa185e62a59fa2c72ffe36772d9a diff --git a/ccan/tdb2/tdb2.h b/ccan/tdb2/tdb2.h index a33022a8..f856827f 100644 --- a/ccan/tdb2/tdb2.h +++ b/ccan/tdb2/tdb2.h @@ -57,13 +57,11 @@ extern "C" { #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, @@ -89,6 +87,7 @@ typedef struct tdb_data { 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); @@ -128,11 +127,22 @@ struct tdb_context *tdb_open(const char *name, int tdb_flags, struct tdb_data tdb_fetch(struct tdb_context *tdb, struct tdb_data key); 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); +TDB_DATA tdb_firstkey(struct tdb_context *tdb); +TDB_DATA tdb_nextkey(struct tdb_context *tdb, TDB_DATA key); 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; #ifdef __cplusplus