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Diffstat (limited to 'db2/btree/btree.src')
| -rw-r--r-- | db2/btree/btree.src | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/db2/btree/btree.src b/db2/btree/btree.src deleted file mode 100644 index 928dce2196..0000000000 --- a/db2/btree/btree.src +++ /dev/null @@ -1,156 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1996, 1997, 1998 - * Sleepycat Software. All rights reserved. - * - * @(#)btree.src 10.8 (Sleepycat) 4/10/98 - */ - -PREFIX bam - -/* - * BTREE-pg_alloc: used to record allocating a new page. - * - * meta_lsn: the meta-data page's original lsn. - * page_lsn: the allocated page's original lsn. - * pgno: the page allocated. - * next: the next page on the free list. - */ -BEGIN pg_alloc -ARG fileid u_int32_t lu -POINTER meta_lsn DB_LSN * lu -POINTER page_lsn DB_LSN * lu -ARG pgno db_pgno_t lu -ARG ptype u_int32_t lu -ARG next db_pgno_t lu -END - -/* - * BTREE-pg_free: used to record freeing a page. - * - * pgno: the page being freed. - * meta_lsn: the meta-data page's original lsn. - * header: the header from the free'd page. - * next: the previous next pointer on the metadata page. - */ -BEGIN pg_free -ARG fileid u_int32_t lu -ARG pgno db_pgno_t lu -POINTER meta_lsn DB_LSN * lu -DBT header DBT s -ARG next db_pgno_t lu -END - -/* - * BTREE-split: used to log a page split. - * - * left: the page number for the low-order contents. - * llsn: the left page's original LSN. - * right: the page number for the high-order contents. - * rlsn: the right page's original LSN. - * indx: the number of entries that went to the left page. - * npgno: the next page number - * nlsn: the next page's original LSN (or 0 if no next page). - * pg: the split page's contents before the split. - */ -BEGIN split -ARG fileid u_int32_t lu -ARG left db_pgno_t lu -POINTER llsn DB_LSN * lu -ARG right db_pgno_t lu -POINTER rlsn DB_LSN * lu -ARG indx u_int32_t lu -ARG npgno db_pgno_t lu -POINTER nlsn DB_LSN * lu -DBT pg DBT s -END - -/* - * BTREE-rsplit: used to log a reverse-split - * - * pgno: the page number of the page copied over the root. - * pgdbt: the page being copied on the root page. - * nrec: the tree's record count. - * rootent: last entry on the root page. - * rootlsn: the root page's original lsn. - */ -BEGIN rsplit -ARG fileid u_int32_t lu -ARG pgno db_pgno_t lu -DBT pgdbt DBT s -ARG nrec db_pgno_t lu -DBT rootent DBT s -POINTER rootlsn DB_LSN * lu -END - -/* - * BTREE-adj: used to log the adjustment of an index. - * - * pgno: the page modified. - * lsn: the page's original lsn. - * indx: the index adjusted. - * indx_copy: the index to copy if inserting. - * is_insert: 0 if a delete, 1 if an insert. - */ -BEGIN adj -ARG fileid u_int32_t lu -ARG pgno db_pgno_t lu -POINTER lsn DB_LSN * lu -ARG indx u_int32_t lu -ARG indx_copy u_int32_t lu -ARG is_insert u_int32_t lu -END - -/* - * BTREE-cadjust: used to adjust the count change in an internal page. - * - * pgno: the page modified. - * lsn: the page's original lsn. - * indx: the index to be adjusted. - * adjust: the signed adjustment. - * total: if the total tree entries count should be adjusted - */ -BEGIN cadjust -ARG fileid u_int32_t lu -ARG pgno db_pgno_t lu -POINTER lsn DB_LSN * lu -ARG indx u_int32_t lu -ARG adjust int32_t ld -ARG total int32_t ld -END - -/* - * BTREE-cdel: used to log the intent-to-delete of a cursor record. - * - * pgno: the page modified. - * lsn: the page's original lsn. - * indx: the index to be deleted. - */ -BEGIN cdel -ARG fileid u_int32_t lu -ARG pgno db_pgno_t lu -POINTER lsn DB_LSN * lu -ARG indx u_int32_t lu -END - -/* - * BTREE-repl: used to log the replacement of an item. - * - * pgno: the page modified. - * lsn: the page's original lsn. - * orig: the original data. - * new: the replacement data. - * duplicate: the prefix of the replacement that matches the original. - */ -BEGIN repl -ARG fileid u_int32_t lu -ARG pgno db_pgno_t lu -POINTER lsn DB_LSN * lu -ARG indx u_int32_t lu -ARG isdeleted u_int32_t lu -DBT orig DBT s -DBT repl DBT s -ARG prefix u_int32_t lu -ARG suffix u_int32_t lu -END |