- } else if (!check_header_hash(tdb, !hash_fn, &magic1, &magic2)) {
- TDB1_LOG((tdb, TDB1_DEBUG_FATAL, "tdb1_open_ex: "
- "%s was not created with %s hash function we are using\n"
- "magic1_hash[0x%08X %s 0x%08X] "
- "magic2_hash[0x%08X %s 0x%08X]\n",
- name, hash_alg,
- tdb->header.magic1_hash,
- (tdb->header.magic1_hash == magic1) ? "==" : "!=",
- magic1,
- tdb->header.magic2_hash,
- (tdb->header.magic2_hash == magic2) ? "==" : "!=",
- magic2));
- errno = EINVAL;
- goto fail;
- }
-
- /* Is it already in the open list? If so, fail. */
- if (tdb1_already_open(st.st_dev, st.st_ino)) {
- TDB1_LOG((tdb, TDB1_DEBUG_ERROR, "tdb1_open_ex: "
- "%s (%d,%d) is already open in this process\n",
- name, (int)st.st_dev, (int)st.st_ino));
- errno = EBUSY;
- goto fail;
- }
-
- tdb->map_size = st.st_size;
- tdb->device = st.st_dev;
- tdb->inode = st.st_ino;
- tdb1_mmap(tdb);
- if (locked) {
- if (tdb1_nest_unlock(tdb, TDB1_ACTIVE_LOCK, F_WRLCK) == -1) {
- TDB1_LOG((tdb, TDB1_DEBUG_ERROR, "tdb1_open_ex: "
- "failed to release ACTIVE_LOCK on %s: %s\n",
- name, strerror(errno)));
- goto fail;
- }
-
- }
-
- /* We always need to do this if the CLEAR_IF_FIRST flag is set, even if
- we didn't get the initial exclusive lock as we need to let all other
- users know we're using it. */
-
- if (tdb1_flags & TDB1_CLEAR_IF_FIRST) {
- /* leave this lock in place to indicate it's in use */
- if (tdb1_nest_lock(tdb, TDB1_ACTIVE_LOCK, F_RDLCK, TDB1_LOCK_WAIT) == -1) {
- goto fail;
- }
- }
-
- /* if needed, run recovery */
- if (tdb1_transaction_recover(tdb) == -1) {
- goto fail;
- }
-
- internal:
- /* Internal (memory-only) databases skip all the code above to
- * do with disk files, and resume here by releasing their
- * open lock and hooking into the active list. */
- if (tdb1_nest_unlock(tdb, TDB1_OPEN_LOCK, F_WRLCK) == -1) {
- goto fail;
- }
- tdb->next = tdb1s;
- tdb1s = tdb;
- return tdb;
-
- fail:
- { int save_errno = errno;
-
- if (!tdb)
- return NULL;
-
- if (tdb->map_ptr) {
- if (tdb->flags & TDB1_INTERNAL)
- SAFE_FREE(tdb->map_ptr);
- else
- tdb1_munmap(tdb);
- }
- if (tdb->fd != -1)
- if (close(tdb->fd) != 0)
- TDB1_LOG((tdb, TDB1_DEBUG_ERROR, "tdb1_open_ex: failed to close tdb->fd on error!\n"));
- SAFE_FREE(tdb->lockrecs);
- SAFE_FREE(tdb->name);
- SAFE_FREE(tdb);
- errno = save_errno;
- return NULL;
- }
-}
-
-/*
- * Set the maximum number of dead records per hash chain
- */
-
-void tdb1_set_max_dead(struct tdb1_context *tdb, int max_dead)
-{
- tdb->max_dead_records = max_dead;
-}
-
-/**
- * Close a database.
- *
- * @returns -1 for error; 0 for success.
- **/
-int tdb1_close(struct tdb1_context *tdb)
-{
- struct tdb1_context **i;
- int ret = 0;
-
- if (tdb->transaction) {
- tdb1_transaction_cancel(tdb);
- }
-
- if (tdb->map_ptr) {
- if (tdb->flags & TDB1_INTERNAL)
- SAFE_FREE(tdb->map_ptr);
- else
- tdb1_munmap(tdb);
- }
- SAFE_FREE(tdb->name);
- if (tdb->fd != -1) {
- ret = close(tdb->fd);
- tdb->fd = -1;
- }
- SAFE_FREE(tdb->lockrecs);