This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
+ version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef __cplusplus
#define TDB_BIGENDIAN 32 /* header is big-endian (internal use) */
#define TDB_NOSYNC 64 /* don't use synchronous transactions */
#define TDB_SEQNUM 128 /* maintain a sequence number */
+#define TDB_VOLATILE 256 /* Activate the per-hashchain freelist, default 5 */
#define TDB_ERRCODE(code, ret) ((tdb->ecode = (code)), ret)
TDB_ERR_OOM, TDB_ERR_EXISTS, TDB_ERR_NOLOCK, TDB_ERR_LOCK_TIMEOUT,
TDB_ERR_NOEXIST, TDB_ERR_EINVAL, TDB_ERR_RDONLY};
+/* debugging uses one of the following levels */
+enum tdb_debug_level {TDB_DEBUG_FATAL = 0, TDB_DEBUG_ERROR,
+ TDB_DEBUG_WARNING, TDB_DEBUG_TRACE};
+
typedef struct TDB_DATA {
unsigned char *dptr;
size_t dsize;
typedef struct tdb_context TDB_CONTEXT;
typedef int (*tdb_traverse_func)(struct tdb_context *, TDB_DATA, TDB_DATA, void *);
-typedef void (*tdb_log_func)(struct tdb_context *, int , const char *, ...);
+typedef void (*tdb_log_func)(struct tdb_context *, enum tdb_debug_level, const char *, ...) PRINTF_ATTRIBUTE(3, 4);
typedef unsigned int (*tdb_hash_func)(TDB_DATA *key);
+struct tdb_logging_context {
+ tdb_log_func log_fn;
+ void *log_private;
+};
+
struct tdb_context *tdb_open(const char *name, int hash_size, int tdb_flags,
int open_flags, mode_t mode);
struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
int open_flags, mode_t mode,
- tdb_log_func log_fn,
+ const struct tdb_logging_context *log_ctx,
tdb_hash_func hash_fn);
+void tdb_set_max_dead(struct tdb_context *tdb, int max_dead);
int tdb_reopen(struct tdb_context *tdb);
int tdb_reopen_all(int parent_longlived);
-void tdb_logging_function(struct tdb_context *tdb, tdb_log_func);
+void tdb_set_logging_function(struct tdb_context *tdb, const struct tdb_logging_context *log_ctx);
enum TDB_ERROR tdb_error(struct tdb_context *tdb);
const char *tdb_errorstr(struct tdb_context *tdb);
TDB_DATA tdb_fetch(struct tdb_context *tdb, TDB_DATA key);
+int tdb_parse_record(struct tdb_context *tdb, TDB_DATA key,
+ int (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data),
+ void *private_data);
int tdb_delete(struct tdb_context *tdb, TDB_DATA key);
int tdb_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag);
int tdb_append(struct tdb_context *tdb, TDB_DATA key, TDB_DATA new_dbuf);
int tdb_traverse_read(struct tdb_context *tdb, tdb_traverse_func fn, void *);
int tdb_exists(struct tdb_context *tdb, TDB_DATA key);
int tdb_lockall(struct tdb_context *tdb);
-void tdb_unlockall(struct tdb_context *tdb);
+int tdb_lockall_nonblock(struct tdb_context *tdb);
+int tdb_unlockall(struct tdb_context *tdb);
+int tdb_lockall_read(struct tdb_context *tdb);
+int tdb_lockall_read_nonblock(struct tdb_context *tdb);
+int tdb_unlockall_read(struct tdb_context *tdb);
+int tdb_lockall_mark(struct tdb_context *tdb);
+int tdb_lockall_unmark(struct tdb_context *tdb);
const char *tdb_name(struct tdb_context *tdb);
int tdb_fd(struct tdb_context *tdb);
tdb_log_func tdb_log_fn(struct tdb_context *tdb);
+void *tdb_get_logging_private(struct tdb_context *tdb);
int tdb_transaction_start(struct tdb_context *tdb);
int tdb_transaction_commit(struct tdb_context *tdb);
int tdb_transaction_cancel(struct tdb_context *tdb);
int tdb_transaction_recover(struct tdb_context *tdb);
int tdb_get_seqnum(struct tdb_context *tdb);
+int tdb_hash_size(struct tdb_context *tdb);
+size_t tdb_map_size(struct tdb_context *tdb);
+int tdb_get_flags(struct tdb_context *tdb);
+void tdb_add_flags(struct tdb_context *tdb, unsigned flag);
+void tdb_remove_flags(struct tdb_context *tdb, unsigned flag);
+void tdb_enable_seqnum(struct tdb_context *tdb);
+void tdb_increment_seqnum_nonblock(struct tdb_context *tdb);
/* Low level locking functions: use with care */
int tdb_chainlock(struct tdb_context *tdb, TDB_DATA key);
+int tdb_chainlock_nonblock(struct tdb_context *tdb, TDB_DATA key);
int tdb_chainunlock(struct tdb_context *tdb, TDB_DATA key);
int tdb_chainlock_read(struct tdb_context *tdb, TDB_DATA key);
int tdb_chainunlock_read(struct tdb_context *tdb, TDB_DATA key);
+int tdb_chainlock_mark(struct tdb_context *tdb, TDB_DATA key);
+int tdb_chainlock_unmark(struct tdb_context *tdb, TDB_DATA key);
+
+void tdb_setalarm_sigptr(struct tdb_context *tdb, volatile sig_atomic_t *sigptr);
/* Debug functions. Not used in production. */
void tdb_dump_all(struct tdb_context *tdb);
int tdb_printfreelist(struct tdb_context *tdb);
+int tdb_validate_freelist(struct tdb_context *tdb, int *pnum_entries);
+int tdb_wipe_all(struct tdb_context *tdb);
+int tdb_freelist_size(struct tdb_context *tdb);
+int tdb_validate(struct tdb_context *tdb);
extern TDB_DATA tdb_null;
git.samba.org / ira / wip.git / blobdiff