/* Expanding file. */
#define TDB_EXPANSION_LOCK 2
/* Hash chain locks. */
-#define TDB_HASH_LOCK_START 3
+#define TDB_HASH_LOCK_START 64
/* Range for hash locks. */
#define TDB_HASH_LOCK_RANGE_BITS 30
int fd;
/* Lock information */
+ pid_t locker;
struct tdb_lock allrecord_lock;
size_t num_lockrecs;
struct tdb_lock *lockrecs;
uint32_t flags;
/* Logging function */
- void (*logfn)(struct tdb_context *tdb,
- enum tdb_log_level level,
- void *log_private,
- const char *message);
- void *log_private;
+ void (*log_fn)(struct tdb_context *tdb,
+ enum tdb_log_level level,
+ const char *message,
+ void *data);
+ void *log_data;
/* Hash function. */
- uint64_t (*khash)(const void *key, size_t len, uint64_t seed, void *);
- void *hash_priv;
+ uint64_t (*hash_fn)(const void *key, size_t len, uint64_t seed, void *);
+ 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;
tdb_len_t hash_range, int ltype);
/* For closing the file. */
-void tdb_unlock_all(struct tdb_context *tdb);
+void tdb_lock_cleanup(struct tdb_context *tdb);
/* Lock/unlock a particular free bucket. */
enum TDB_ERROR tdb_lock_free_bucket(struct tdb_context *tdb, tdb_off_t b_off,
/* 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);