diff options
Diffstat (limited to 'db2/include/log.h')
| -rw-r--r-- | db2/include/log.h | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/db2/include/log.h b/db2/include/log.h index 7d5161cc9d..50309085aa 100644 --- a/db2/include/log.h +++ b/db2/include/log.h @@ -4,7 +4,7 @@ * Copyright (c) 1996, 1997, 1998 * Sleepycat Software. All rights reserved. * - * @(#)log.h 10.25 (Sleepycat) 4/10/98 + * @(#)log.h 10.30 (Sleepycat) 10/11/98 */ #ifndef _LOG_H_ @@ -16,8 +16,10 @@ struct __log; typedef struct __log LOG; struct __log_persist; typedef struct __log_persist LOGP; #ifndef MAXLFNAME -#define MAXLFNAME 99999 /* Maximum log file name. */ -#define LFNAME "log.%05d" /* Log file name template. */ +#define LFPREFIX "log." /* Log file name prefix. */ +#define LFNAME "log.%010d" /* Log file name template. */ +#define LFNAME_V1 "log.%05d" /* Log file name template, rev 1. */ +#define MAXLFNAME 2000000000 /* Maximum log file name. */ #endif /* Default log name. */ #define DB_DEFAULT_LOG_FILE "__db_log.share" @@ -38,6 +40,12 @@ struct __log_persist; typedef struct __log_persist LOGP; (void)__db_mutex_unlock(&((RLAYOUT *)(dblp)->lp)->lock, \ (dblp)->reginfo.fd) +/* Check for region catastrophic shutdown. */ +#define LOG_PANIC_CHECK(dblp) { \ + if ((dblp)->lp->rlayout.panic) \ + return (DB_RUNRECOVERY); \ +} + /* * The per-process table that maps log file-id's to DB structures. */ @@ -84,7 +92,28 @@ struct __db_log { char *dir; /* Directory argument. */ - u_int32_t flags; /* Support the DB_AM_XXX flags. */ +/* + * These fields are used by XA; since XA forbids threaded execution, these + * do not have to be protected. + */ + void *xa_info; /* Committed transaction list that + * has to be carried between calls + * to xa_recover. */ + DB_LSN xa_lsn; /* Position of an XA recovery scan. */ + DB_LSN xa_first; /* LSN to which we need to roll back + for this XA recovery scan. */ + + /* + * !!! + * Currently used to hold: + * DB_AM_THREAD (a DB flag) + * DBC_RECOVER (a DBC flag) + * If they are ever the same bits, we're in serious trouble. + */ +#if DB_AM_THREAD == DBC_RECOVER + DB_AM_THREAD, DBC_RECOVER, FLAG MISMATCH +#endif + u_int32_t flags; }; /* |