diff options
Diffstat (limited to 'db2/include/log.h')
| -rw-r--r-- | db2/include/log.h | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/db2/include/log.h b/db2/include/log.h index a9c82fa..a192a38 100644 --- a/db2/include/log.h +++ b/db2/include/log.h @@ -4,7 +4,7 @@ * Copyright (c) 1996, 1997 * Sleepycat Software. All rights reserved. * - * @(#)log.h 10.9 (Sleepycat) 9/23/97 + * @(#)log.h 10.15 (Sleepycat) 11/2/97 */ #ifndef _LOG_H_ @@ -15,6 +15,8 @@ struct __hdr; typedef struct __hdr HDR; struct __log; typedef struct __log LOG; struct __log_persist; typedef struct __log_persist LOGP; +#define MEGABYTE (1024 * 1024) + #define MAXLFNAME 99999 /* Maximum log file name. */ #define LFNAME "log.%05d" /* Log file name template. */ @@ -23,21 +25,15 @@ struct __log_persist; typedef struct __log_persist LOGP; #define DEFAULT_MAX (10 * 1048576) /* 10 Mb. */ -/* Macros to return per-process address, offsets. */ -#define ADDR(base, offset) ((void *)((u_int8_t *)((base)->addr) + offset)) -#define OFFSET(base, p) ((u_int8_t *)(p) - (u_int8_t *)(base)->addr) - /* Macros to lock/unlock the region and threads. */ #define LOCK_LOGTHREAD(dblp) \ if (F_ISSET(dblp, DB_AM_THREAD)) \ - (void)__db_mutex_lock((dblp)->mutexp, -1, \ - (dblp)->dbenv == NULL ? NULL : (dblp)->dbenv->db_yield) + (void)__db_mutex_lock((dblp)->mutexp, -1) #define UNLOCK_LOGTHREAD(dblp) \ if (F_ISSET(dblp, DB_AM_THREAD)) \ (void)__db_mutex_unlock((dblp)->mutexp, -1); #define LOCK_LOGREGION(dblp) \ - (void)__db_mutex_lock(&((RLAYOUT *)(dblp)->lp)->lock, \ - (dblp)->fd, (dblp)->dbenv == NULL ? NULL : (dblp)->dbenv->db_yield) + (void)__db_mutex_lock(&((RLAYOUT *)(dblp)->lp)->lock, (dblp)->fd) #define UNLOCK_LOGREGION(dblp) \ (void)__db_mutex_unlock(&((RLAYOUT *)(dblp)->lp)->lock, (dblp)->fd) @@ -124,7 +120,7 @@ struct __log { DB_LSN lsn; /* LSN at current file offset. */ DB_LSN c_lsn; /* LSN of the last checkpoint. */ DB_LSN s_lsn; /* LSN of the last sync. */ - DB_LSN span_lsn; /* LSN spanning buffer write. */ + DB_LSN uw_lsn; /* LSN of 1st rec not fully on disk. */ u_int32_t len; /* Length of the last record. */ @@ -132,7 +128,8 @@ struct __log { u_int32_t w_off; /* Current write offset in the file. */ time_t chkpt; /* Time of the last checkpoint. */ - u_int32_t written; /* Bytes written since checkpoint. */ + + DB_LOG_STAT stat; /* Log statistics. */ u_int8_t buf[4 * 1024]; /* Log buffer. */ }; |