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Diffstat (limited to 'db2/db/db.src')
| -rw-r--r-- | db2/db/db.src | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/db2/db/db.src b/db2/db/db.src new file mode 100644 index 0000000000..a3e2f7b75c --- /dev/null +++ b/db2/db/db.src @@ -0,0 +1,154 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996, 1997 + * Sleepycat Software. All rights reserved. + * @(#)db.src 10.3 (Sleepycat) 8/18/97 + */ +#include "config.h" + +PREFIX db + +/* + * addrem -- Add or remove an entry from a duplicate page. + * + * opcode: identifies if this is an add or delete. + * fileid: file identifier of the file being modified. + * pgno: duplicate page number. + * indx: location at which to insert or delete. + * nbytes: number of bytes added/removed to/from the page. + * hdr: header for the data item. + * dbt: data that is deleted or is to be added. + * pagelsn: former lsn of the page. + * + * If the hdr was NULL then, the dbt is a regular B_KEYDATA. + * If the dbt was NULL then the hdr is a complete item to be + * pasted on the page. + */ +BEGIN addrem +ARG opcode u_int32_t lu +ARG fileid u_int32_t lu +ARG pgno db_pgno_t lu +ARG indx u_int32_t lu +ARG nbytes size_t lu +DBT hdr DBT s +DBT dbt DBT s +POINTER pagelsn DB_LSN * lu +END + +/* + * split -- Handles the split of a duplicate page. + * + * opcode: defines whether we are splitting from or splitting onto + * fileid: file identifier of the file being modified. + * pgno: page number being split. + * pageimage: entire page contents. + * pagelsn: former lsn of the page. + */ +BEGIN split +ARG opcode u_int32_t lu +ARG fileid u_int32_t lu +ARG pgno db_pgno_t lu +DBT pageimage DBT s +POINTER pagelsn DB_LSN * lu +END + +/* + * big -- Handles addition and deletion of big key/data items. + * + * opcode: identifies get/put. + * fileid: file identifier of the file being modified. + * pgno: page onto which data is being added/removed. + * prev_pgno: the page before the one we are logging. + * next_pgno: the page after the one we are logging. + * dbt: data being written onto the page. + * pagelsn: former lsn of the orig_page. + * prevlsn: former lsn of the prev_pgno. + * nextlsn: former lsn of the next_pgno. This is not currently used, but + * may be used later if we actually do overwrites of big key/ + * data items in place. + */ +BEGIN big +ARG opcode u_int32_t lu +ARG fileid u_int32_t lu +ARG pgno db_pgno_t lu +ARG prev_pgno db_pgno_t lu +ARG next_pgno db_pgno_t lu +DBT dbt DBT s +POINTER pagelsn DB_LSN * lu +POINTER prevlsn DB_LSN * lu +POINTER nextlsn DB_LSN * lu +END + +/* + * ovref -- Handles increment of overflow page reference count. + * + * fileid: identifies the file being modified. + * pgno: page number being incremented. + * lsn the page's original lsn. + */ +BEGIN ovref +ARG fileid u_int32_t lu +ARG pgno db_pgno_t lu +POINTER lsn DB_LSN * lu +END + +/* + * relink -- Handles relinking around a page. + * + * pgno: the page being changed. + * lsn the page's original lsn. + * prev: the previous page. + * lsn_prev: the previous page's original lsn. + * next: the next page. + * lsn_next: the previous page's original lsn. + */ +BEGIN relink +ARG fileid u_int32_t lu +ARG pgno db_pgno_t lu +POINTER lsn DB_LSN * lu +ARG prev db_pgno_t lu +POINTER lsn_prev DB_LSN * lu +ARG next db_pgno_t lu +POINTER lsn_next DB_LSN * lu +END + +/* + * Addpage -- Handles adding a new duplicate page onto the end of + * an existing duplicate page. + * fileid: identifies the file being changed. + * pgno: page number to which a new page is being added. + * lsn: lsn of pgno + * nextpgno: new page number being added. + * nextlsn: lsn of nextpgno; + */ +BEGIN addpage +ARG fileid u_int32_t lu +ARG pgno db_pgno_t lu +POINTER lsn DB_LSN * lu +ARG nextpgno db_pgno_t lu +POINTER nextlsn DB_LSN * lu +END + +/* + * Debug -- log an operation upon entering an access method. + * op: Operation (cursor, c_close, c_get, c_put, c_del, + * get, put, delete). + * fileid: identifies the file being acted upon. + * key: key paramater + * data: data parameter + * flags: flags parameter + */ +BEGIN debug +DBT op DBT s +ARG fileid u_int32_t lu +DBT key DBT s +DBT data DBT s +ARG arg_flags u_int32_t lu +END + +/* + * noop -- do nothing, but get an LSN. + */ +BEGIN noop +END |