/* mmap read only? */
int mmap_flags;
- /* Error code for last tdb error. */
- enum TDB_ERROR ecode;
-
/* the flags passed to tdb_open, for tdb_reopen. */
uint32_t flags;
void *hash_data;
uint64_t hash_seed;
+ /* low level (fnctl) lock functions. */
+ int (*lock_fn)(int fd, int rw, off_t off, off_t len, bool w, void *);
+ int (*unlock_fn)(int fd, int rw, off_t off, off_t len, void *);
+ void *lock_data;
+
/* Set if we are in a transaction. */
struct tdb_transaction *transaction;
/* IO methods: changes for transactions. */
const struct tdb_methods *methods;
- struct tdb_attribute_stats *stats;
+ /* Our statistics. */
+ struct tdb_attribute_stats stats;
/* Direct access information */
struct tdb_access_hdr *access;
internal prototypes
*/
/* hash.c: */
-void tdb_hash_init(struct tdb_context *tdb);
-
tdb_bool_err first_in_hash(struct tdb_context *tdb,
struct traverse_info *tinfo,
TDB_DATA *kbuf, size_t *dlen);
/* Bump the seqnum (caller checks for tdb->flags & TDB_SEQNUM) */
void tdb_inc_seqnum(struct tdb_context *tdb);
-/* Adds a stat, if it's in range. */
-void add_stat_(struct tdb_context *tdb, uint64_t *stat, size_t val);
-#define add_stat(tdb, statname, val) \
- do { \
- if (unlikely((tdb)->stats)) \
- add_stat_((tdb), &(tdb)->stats->statname, (val)); \
- } while (0)
-
/* lock.c: */
/* Lock/unlock a range of hashes. */
enum TDB_ERROR tdb_lock_hashes(struct tdb_context *tdb,
/* If it needs recovery, grab all the locks and do it. */
enum TDB_ERROR tdb_lock_and_recover(struct tdb_context *tdb);
+/* Default lock and unlock functions. */
+int tdb_fcntl_lock(int fd, int rw, off_t off, off_t len, bool waitflag, void *);
+int tdb_fcntl_unlock(int fd, int rw, off_t off, off_t len, void *);
+
/* transaction.c: */
enum TDB_ERROR tdb_transaction_recover(struct tdb_context *tdb);
tdb_bool_err tdb_needs_recovery(struct tdb_context *tdb);