http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/htdig_db/db_am.h

/*- * See the file LICENSE for redistribution information. * * Copyright (c) 1996, 1997, 1998, 1999 * Sleepycat Software. All rights reserved. * * @(#)db_am.h 11.4 (Sleepycat) 9/19/99 */ #ifndef _DB_AM_H #define _DB_AM_H #define DB_MINPAGECACHE 10 /* Min pages access methods cache. */ #define DB_ISBIG 0x01 /* DB recovery operation codes. */ #define DB_ISSUBDB 0x02 #define DB_ADD_DUP 0x10 #define DB_REM_DUP 0x20 #define DB_ADD_BIG 0x30 #define DB_REM_BIG 0x40 #define DB_SPLITOLD 0x50 #define DB_SPLITNEW 0x60 #define DB_ADD_PAGE 0x70 #define DB_REM_PAGE 0x80 #define DB_LOG_CREATE 0x90 #define DB_LOG_DELETE 0xa0 /* * This is a grotesque naming hack. We have modified the btree page * allocation and freeing functions to be generic and have therefore * moved them into the access-method independent portion of the code. * However, since we didn't want to create new log records and routines * for them, we left their logging and recovery functions over in btree. * To make the code look prettier, we macro them, but this is sure to * confuse the heck out of everyone. */ #define __db_pg_alloc_log CDB___bam_pg_alloc_log #define __db_pg_free_log CDB___bam_pg_free_log /* * Standard initialization and shutdown macros for all recovery functions. * * Requires the following local variables: * * DB *file_dbp, *mdbp; * DB_MPOOLFILE *mpf; * int ret; */ #define REC_INTRO(func, inc_count) { \ file_dbp = NULL; \ dbc = NULL; \ if ((ret = func(dbtp->data, &argp)) != 0) \ goto out; \ if ((ret = CDB___db_fileid_to_db(dbenv, \ &file_dbp, argp->fileid, inc_count)) != 0) { \ if (ret == DB_DELETED) { \ ret = 0; \ goto done; \ } \ goto out; \ } \ if (file_dbp == NULL) \ goto out; \ if ((ret = file_dbp->cursor(file_dbp, NULL, &dbc, 0)) != 0) \ goto out; \ F_SET(dbc, DBC_RECOVER); \ mpf = file_dbp->mpf; \ } #define REC_CLOSE \ if (argp != NULL) \ CDB___os_free(argp, sizeof(*argp)); \ if (dbc != NULL) \ dbc->c_close(dbc); \ return (ret); /* * No-op versions of the same macros. */ #define REC_NOOP_INTRO(func) { \ if ((ret = func(dbtp->data, &argp)) != 0) \ return (ret); \ } #define REC_NOOP_CLOSE \ if (argp != NULL) \ CDB___os_free(argp, sizeof(*argp)); \ return (ret); \ /* * Standard debugging macro for all recovery functions. */ #ifdef DEBUG_RECOVER #define REC_PRINT(func) \ (void)func(dbenv, dbtp, lsnp, redo, info); #else #define REC_PRINT(func) #endif /* * If doing transactions we have to hold the locks associated with a data item * from a page for the entire transaction. However, we don't have to hold the * locks associated with walking the tree. Distinguish between the two so that * we don't tie up the internal pages of the tree longer than necessary. */ #define __LPUT(dbc, lock) \ (F_ISSET((dbc)->dbp->dbenv, DB_ENV_LOCKING) ? \ CDB_lock_put((dbc)->dbp->dbenv, &(lock)) : 0) #define __TLPUT(dbc, lock) \ (F_ISSET((dbc)->dbp->dbenv, DB_ENV_LOCKING) && \ (dbc)->txn == NULL ? CDB_lock_put((dbc)->dbp->dbenv, &(lock)) : 0) #include "db_auto.h" #include "crdel_auto.h" #include "db_ext.h" #endif