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authorUlrich Drepper <drepper@redhat.com>1999-06-13 13:36:34 +0000
committerUlrich Drepper <drepper@redhat.com>1999-06-13 13:36:34 +0000
commitec239360d13518a13f572b635d036c7d10028010 (patch)
treebdb5111363f45d2107849c2456b575d72779174c /db2/include/log.h
parentfc3703521650a9b6db910a50c4fc0f410496e134 (diff)
Update.
* db2/Makefile (distribute): Remove files which do not exist anymore.
Diffstat (limited to 'db2/include/log.h')
-rw-r--r--db2/include/log.h37
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;
};
/*