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
extern "C" {
#endif
+#include "signal.h"
+
+/* Samba sets hidden attribute when building libraries: we don't. */
+#ifndef _PUBLIC_
+#define _PUBLIC_
+#endif
/* flags to tdb_store() */
-#define TDB_REPLACE 1
-#define TDB_INSERT 2
-#define TDB_MODIFY 3
+#define TDB_REPLACE 1 /* Unused */
+#define TDB_INSERT 2 /* Don't overwrite an existing entry */
+#define TDB_MODIFY 3 /* Don't create an existing entry */
/* flags for tdb_open() */
#define TDB_DEFAULT 0 /* just a readability place holder */
#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_ERRCODE(code, ret) ((tdb->ecode = (code)), ret)
+#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 */
+#define TDB_INCOMPATIBLE_HASH 2048 /* Better hashing: can't be opened by tdb < 1.2.6. */
/* 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_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,
void *log_private;
};
-struct tdb_context *tdb_open(const char *name, int hash_size, int tdb_flags,
+_PUBLIC_ 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,
+_PUBLIC_ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
int open_flags, mode_t mode,
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_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_close(struct tdb_context *tdb);
-TDB_DATA tdb_firstkey(struct tdb_context *tdb);
-TDB_DATA tdb_nextkey(struct tdb_context *tdb, TDB_DATA key);
-int tdb_traverse(struct tdb_context *tdb, tdb_traverse_func fn, void *);
-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);
-int tdb_unlockall(struct tdb_context *tdb);
-int tdb_lockall_read(struct tdb_context *tdb);
-int tdb_unlockall_read(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);
+_PUBLIC_ void tdb_set_max_dead(struct tdb_context *tdb, int max_dead);
+
+_PUBLIC_ int tdb_reopen(struct tdb_context *tdb);
+_PUBLIC_ int tdb_reopen_all(int parent_longlived);
+_PUBLIC_ void tdb_set_logging_function(struct tdb_context *tdb, const struct tdb_logging_context *log_ctx);
+_PUBLIC_ enum TDB_ERROR tdb_error(struct tdb_context *tdb);
+_PUBLIC_ const char *tdb_errorstr(struct tdb_context *tdb);
+_PUBLIC_ TDB_DATA tdb_fetch(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ 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);
+_PUBLIC_ int tdb_delete(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag);
+_PUBLIC_ int tdb_append(struct tdb_context *tdb, TDB_DATA key, TDB_DATA new_dbuf);
+_PUBLIC_ int tdb_close(struct tdb_context *tdb);
+_PUBLIC_ TDB_DATA tdb_firstkey(struct tdb_context *tdb);
+_PUBLIC_ TDB_DATA tdb_nextkey(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_traverse(struct tdb_context *tdb, tdb_traverse_func fn, void *);
+_PUBLIC_ int tdb_traverse_read(struct tdb_context *tdb, tdb_traverse_func fn, void *);
+_PUBLIC_ int tdb_exists(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_lockall(struct tdb_context *tdb);
+_PUBLIC_ int tdb_lockall_nonblock(struct tdb_context *tdb);
+_PUBLIC_ int tdb_unlockall(struct tdb_context *tdb);
+_PUBLIC_ int tdb_lockall_read(struct tdb_context *tdb);
+_PUBLIC_ int tdb_lockall_read_nonblock(struct tdb_context *tdb);
+_PUBLIC_ int tdb_unlockall_read(struct tdb_context *tdb);
+_PUBLIC_ int tdb_lockall_mark(struct tdb_context *tdb);
+_PUBLIC_ int tdb_lockall_unmark(struct tdb_context *tdb);
+_PUBLIC_ const char *tdb_name(struct tdb_context *tdb);
+_PUBLIC_ int tdb_fd(struct tdb_context *tdb);
+_PUBLIC_ tdb_log_func tdb_log_fn(struct tdb_context *tdb);
+_PUBLIC_ void *tdb_get_logging_private(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_start(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_start_nonblock(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_prepare_commit(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_commit(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_cancel(struct tdb_context *tdb);
+_PUBLIC_ int tdb_get_seqnum(struct tdb_context *tdb);
+_PUBLIC_ int tdb_hash_size(struct tdb_context *tdb);
+_PUBLIC_ size_t tdb_map_size(struct tdb_context *tdb);
+_PUBLIC_ int tdb_get_flags(struct tdb_context *tdb);
+_PUBLIC_ void tdb_add_flags(struct tdb_context *tdb, unsigned flag);
+_PUBLIC_ void tdb_remove_flags(struct tdb_context *tdb, unsigned flag);
+_PUBLIC_ void tdb_enable_seqnum(struct tdb_context *tdb);
+_PUBLIC_ void tdb_increment_seqnum_nonblock(struct tdb_context *tdb);
+_PUBLIC_ unsigned int tdb_jenkins_hash(TDB_DATA *key);
+_PUBLIC_ int tdb_check(struct tdb_context *tdb,
+ int (*check)(TDB_DATA key, TDB_DATA data, void *private_data),
+ void *private_data);
/* Low level locking functions: use with care */
-int tdb_chainlock(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);
+_PUBLIC_ int tdb_chainlock(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_chainlock_nonblock(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_chainunlock(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_chainlock_read(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_chainunlock_read(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_chainlock_mark(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_chainlock_unmark(struct tdb_context *tdb, TDB_DATA key);
+_PUBLIC_ int tdb_transaction_write_lock(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_write_unlock(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_write_lock_mark(struct tdb_context *tdb);
+_PUBLIC_ int tdb_transaction_write_lock_unmark(struct tdb_context *tdb);
+
+_PUBLIC_ void tdb_setalarm_sigptr(struct tdb_context *tdb, volatile sig_atomic_t *sigptr);
+
+/* wipe and repack */
+_PUBLIC_ int tdb_wipe_all(struct tdb_context *tdb);
+_PUBLIC_ int tdb_repack(struct tdb_context *tdb);
/* 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);
+_PUBLIC_ void tdb_dump_all(struct tdb_context *tdb);
+_PUBLIC_ int tdb_printfreelist(struct tdb_context *tdb);
+_PUBLIC_ int tdb_validate_freelist(struct tdb_context *tdb, int *pnum_entries);
+_PUBLIC_ int tdb_freelist_size(struct tdb_context *tdb);
-extern TDB_DATA tdb_null;
+_PUBLIC_ extern TDB_DATA tdb_null;
#ifdef __cplusplus
}
git.samba.org / sahlberg / ctdb.git / blobdiff