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-rw-r--r--db2/include/btree_auto.h19
-rw-r--r--db2/include/btree_ext.h17
-rw-r--r--db2/include/clib_ext.h2
-rw-r--r--db2/include/common_ext.h3
-rw-r--r--db2/include/db.h.src135
-rw-r--r--db2/include/db_am.h6
-rw-r--r--db2/include/db_auto.h1
-rw-r--r--db2/include/db_cxx.h19
-rw-r--r--db2/include/db_ext.h6
-rw-r--r--db2/include/db_int.h.src28
-rw-r--r--db2/include/hash.h6
-rw-r--r--db2/include/hash_auto.h18
-rw-r--r--db2/include/hash_ext.h15
-rw-r--r--db2/include/lock.h5
-rw-r--r--db2/include/lock_ext.h2
-rw-r--r--db2/include/log.h19
-rw-r--r--db2/include/log_ext.h2
-rw-r--r--db2/include/mp.h41
-rw-r--r--db2/include/mp_ext.h2
-rw-r--r--db2/include/mutex_ext.h4
-rw-r--r--db2/include/os_ext.h24
-rw-r--r--db2/include/os_func.h76
-rw-r--r--db2/include/txn.h8
-rw-r--r--db2/include/txn_ext.h2
24 files changed, 326 insertions, 134 deletions
diff --git a/db2/include/btree_auto.h b/db2/include/btree_auto.h
index b422e1db1b..041b80f196 100644
--- a/db2/include/btree_auto.h
+++ b/db2/include/btree_auto.h
@@ -58,6 +58,7 @@ typedef struct _bam_rsplit_args {
u_int32_t fileid;
db_pgno_t pgno;
DBT pgdbt;
+ db_pgno_t nrec;
DBT rootent;
DB_LSN rootlsn;
} __bam_rsplit_args;
@@ -105,4 +106,22 @@ typedef struct _bam_cdel_args {
u_int32_t indx;
} __bam_cdel_args;
+
+#define DB_bam_repl (DB_bam_BEGIN + 8)
+
+typedef struct _bam_repl_args {
+ u_int32_t type;
+ DB_TXN *txnid;
+ DB_LSN prev_lsn;
+ u_int32_t fileid;
+ db_pgno_t pgno;
+ DB_LSN lsn;
+ u_int32_t indx;
+ u_int32_t isdeleted;
+ DBT orig;
+ DBT repl;
+ u_int32_t prefix;
+ u_int32_t suffix;
+} __bam_repl_args;
+
#endif
diff --git a/db2/include/btree_ext.h b/db2/include/btree_ext.h
index 9133c58c6b..bbe0d971b2 100644
--- a/db2/include/btree_ext.h
+++ b/db2/include/btree_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __bam_close __P((DB *));
int __bam_sync __P((DB *, int));
int __bam_cmp __P((DB *, const DBT *, EPG *));
@@ -35,6 +35,7 @@ int __bam_pget __P((DB *, PAGE **, db_pgno_t *, int));
int __bam_put __P((DB *, DB_TXN *, DBT *, DBT *, int));
int __bam_iitem __P((DB *,
PAGE **, db_indx_t *, DBT *, DBT *, int, int));
+int __bam_ritem __P((DB *, PAGE *, u_int32_t, DBT *));
int __bam_pg_alloc_recover
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __bam_pg_free_recover
@@ -49,6 +50,8 @@ int __bam_cadjust_recover
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __bam_cdel_recover
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+int __bam_repl_recover
+ __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __ram_open __P((DB *, DBTYPE, DB_INFO *));
int __ram_cursor __P((DB *, DB_TXN *, DBC **));
int __ram_close __P((DB *));
@@ -94,8 +97,8 @@ int __bam_split_print
int __bam_split_read __P((void *, __bam_split_args **));
int __bam_rsplit_log
__P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
- u_int32_t, db_pgno_t, DBT *, DBT *,
- DB_LSN *));
+ u_int32_t, db_pgno_t, DBT *, db_pgno_t,
+ DBT *, DB_LSN *));
int __bam_rsplit_print
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __bam_rsplit_read __P((void *, __bam_rsplit_args **));
@@ -119,5 +122,13 @@ int __bam_cdel_log
int __bam_cdel_print
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __bam_cdel_read __P((void *, __bam_cdel_args **));
+int __bam_repl_log
+ __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
+ u_int32_t, db_pgno_t, DB_LSN *, u_int32_t,
+ u_int32_t, DBT *, DBT *, u_int32_t,
+ u_int32_t));
+int __bam_repl_print
+ __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+int __bam_repl_read __P((void *, __bam_repl_args **));
int __bam_init_print __P((DB_ENV *));
int __bam_init_recover __P((DB_ENV *));
diff --git a/db2/include/clib_ext.h b/db2/include/clib_ext.h
index 8ccd2b559f..91e4a13fa5 100644
--- a/db2/include/clib_ext.h
+++ b/db2/include/clib_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
#ifdef __STDC__
void err __P((int eval, const char *, ...));
#else
diff --git a/db2/include/common_ext.h b/db2/include/common_ext.h
index 9840162a12..b814582abd 100644
--- a/db2/include/common_ext.h
+++ b/db2/include/common_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __db_appname __P((DB_ENV *,
APPNAME, const char *, const char *, int *, char **));
int __db_apprec __P((DB_ENV *, int));
@@ -24,6 +24,7 @@ int __db_ferr __P((const DB_ENV *, const char *, int));
u_int32_t __db_log2 __P((u_int32_t));
int __db_rcreate __P((DB_ENV *, APPNAME,
const char *, const char *, int, size_t, int *, void *));
+int __db_rinit __P((DB_ENV *, RLAYOUT *, int, size_t, int));
int __db_ropen __P((DB_ENV *,
APPNAME, const char *, const char *, int, int *, void *));
int __db_rclose __P((DB_ENV *, int, void *));
diff --git a/db2/include/db.h.src b/db2/include/db.h.src
index 63d9603dba..3cc2bfd4fc 100644
--- a/db2/include/db.h.src
+++ b/db2/include/db.h.src
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db.h.src 10.77 (Sleepycat) 9/24/97
+ * @(#)db.h.src 10.91 (Sleepycat) 11/3/97
*/
#ifndef _DB_H_
@@ -28,9 +28,15 @@
* XXX
* Handle function prototypes and the keyword "const". This steps on name
* space that DB doesn't control, but all of the other solutions are worse.
+ *
+ * XXX
+ * While Microsoft's compiler is ANSI C compliant, it doesn't have _STDC_
+ * defined by default, you specify a command line flag or #pragma to turn
+ * it on. Don't do that, however, because some of Microsoft's own header
+ * files won't compile.
*/
#undef __P
-#if defined(__STDC__) || defined(__cplusplus)
+#if defined(__STDC__) || defined(__cplusplus) || defined(_MSC_VER)
#define __P(protos) protos /* ANSI C prototypes */
#else
#define const
@@ -67,8 +73,8 @@
#define DB_VERSION_MAJOR 2
#define DB_VERSION_MINOR 3
-#define DB_VERSION_PATCH 10
-#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.10: (9/24/97)"
+#define DB_VERSION_PATCH 12
+#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.12: (11/3/97)"
typedef u_int32_t db_pgno_t; /* Page number type. */
typedef u_int16_t db_indx_t; /* Page offset type. */
@@ -93,6 +99,7 @@ struct __db_lockregion; typedef struct __db_lockregion DB_LOCKREGION;
struct __db_lockreq; typedef struct __db_lockreq DB_LOCKREQ;
struct __db_locktab; typedef struct __db_locktab DB_LOCKTAB;
struct __db_log; typedef struct __db_log DB_LOG;
+struct __db_log_stat; typedef struct __db_log_stat DB_LOG_STAT;
struct __db_lsn; typedef struct __db_lsn DB_LSN;
struct __db_mpool; typedef struct __db_mpool DB_MPOOL;
struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT;
@@ -122,6 +129,31 @@ struct __db_dbt {
};
/*
+ * DB configuration. There are a set of functions which the application
+ * can replace with its own versions.
+ */
+#define DB_FUNC_CALLOC 1 /* ANSI C calloc. */
+#define DB_FUNC_CLOSE 2 /* POSIX 1003.1 close. */
+#define DB_FUNC_DIRFREE 3 /* DB: free directory list. */
+#define DB_FUNC_DIRLIST 4 /* DB: create directory list. */
+#define DB_FUNC_EXISTS 5 /* DB: return if file exists. */
+#define DB_FUNC_FREE 6 /* ANSI C free. */
+#define DB_FUNC_FSYNC 7 /* POSIX 1003.1 fsync. */
+#define DB_FUNC_IOINFO 8 /* DB: return file I/O information. */
+#define DB_FUNC_MALLOC 9 /* ANSI C malloc. */
+#define DB_FUNC_MAP 10 /* DB: map file into shared memory. */
+#define DB_FUNC_OPEN 11 /* POSIX 1003.1 open. */
+#define DB_FUNC_READ 12 /* POSIX 1003.1 read. */
+#define DB_FUNC_REALLOC 13 /* ANSI C realloc. */
+#define DB_FUNC_SEEK 14 /* POSIX 1003.1 lseek. */
+#define DB_FUNC_SLEEP 15 /* DB: sleep secs/usecs. */
+#define DB_FUNC_STRDUP 16 /* ANSI C strdup. */
+#define DB_FUNC_UNLINK 17 /* POSIX 1003.1 unlink. */
+#define DB_FUNC_UNMAP 18 /* DB: unmap shared memory file. */
+#define DB_FUNC_WRITE 19 /* POSIX 1003.1 write. */
+#define DB_FUNC_YIELD 20 /* DB: yield thread to scheduler. */
+
+/*
* Database configuration and initialization.
*/
/*
@@ -134,21 +166,20 @@ struct __db_dbt {
/*
* Flags understood by db_appinit(3).
*
- * DB_APP_INIT and DB_MUTEXDEBUG are internal only, and not documented.
+ * DB_MUTEXDEBUG is internal only, and not documented.
*/
/* 0x00007 COMMON MASK. */
-#define DB_APP_INIT 0x00008 /* Appinit called, paths initialized. */
-#define DB_INIT_LOCK 0x00010 /* Initialize locking. */
-#define DB_INIT_LOG 0x00020 /* Initialize logging. */
-#define DB_INIT_MPOOL 0x00040 /* Initialize mpool. */
-#define DB_INIT_TXN 0x00080 /* Initialize transactions. */
-#define DB_MPOOL_PRIVATE 0x00100 /* Mpool: private memory pool. */
-#define DB_MUTEXDEBUG 0x00200 /* Do not get/set mutexes in regions. */
-#define DB_RECOVER 0x00400 /* Run normal recovery. */
-#define DB_RECOVER_FATAL 0x00800 /* Run catastrophic recovery. */
-#define DB_TXN_NOSYNC 0x01000 /* Do not sync log on commit. */
-#define DB_USE_ENVIRON 0x02000 /* Use the environment. */
-#define DB_USE_ENVIRON_ROOT 0x04000 /* Use the environment if root. */
+#define DB_INIT_LOCK 0x00008 /* Initialize locking. */
+#define DB_INIT_LOG 0x00010 /* Initialize logging. */
+#define DB_INIT_MPOOL 0x00020 /* Initialize mpool. */
+#define DB_INIT_TXN 0x00040 /* Initialize transactions. */
+#define DB_MPOOL_PRIVATE 0x00080 /* Mpool: private memory pool. */
+#define DB_MUTEXDEBUG 0x00100 /* Do not get/set mutexes in regions. */
+#define DB_RECOVER 0x00200 /* Run normal recovery. */
+#define DB_RECOVER_FATAL 0x00400 /* Run catastrophic recovery. */
+#define DB_TXN_NOSYNC 0x00800 /* Do not sync log on commit. */
+#define DB_USE_ENVIRON 0x01000 /* Use the environment. */
+#define DB_USE_ENVIRON_ROOT 0x02000 /* Use the environment if root. */
/* CURRENTLY UNUSED LOCK FLAGS. */
#define DB_TXN_LOCK_2PL 0x00000 /* Two-phase locking. */
@@ -209,7 +240,6 @@ struct __db_env {
int lk_modes; /* Number of lock modes in table. */
unsigned int lk_max; /* Maximum number of locks. */
u_int32_t lk_detect; /* Deadlock detect on every conflict. */
- int (*db_yield) __P((void)); /* Yield function for threads. */
/* Logging. */
DB_LOG *lg_info; /* Return from log_open(). */
@@ -226,6 +256,9 @@ struct __db_env {
int (*tx_recover) /* Dispatch function for recovery. */
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+#define DB_ENV_APPINIT 0x01 /* Paths initialized by db_appinit(). */
+#define DB_ENV_STANDALONE 0x02 /* Test: freestanding environment. */
+#define DB_ENV_THREAD 0x04 /* DB_ENV is multi-threaded. */
u_int32_t flags; /* Flags. */
};
@@ -301,7 +334,7 @@ struct __db_info {
#define DB_CURRENT 0x000010 /* c_get(), c_put(), log_get() */
#define DB_FIRST 0x000020 /* c_get(), log_get() */
#define DB_FLUSH 0x000040 /* log_put() */
-#define DB_GET_RECNO 0x000080 /* c_get() */
+#define DB_GET_RECNO 0x000080 /* get(), c_get() */
#define DB_KEYFIRST 0x000100 /* c_put() */
#define DB_KEYLAST 0x000200 /* c_put() */
#define DB_LAST 0x000400 /* c_get(), log_get() */
@@ -312,7 +345,7 @@ struct __db_info {
#define DB_RECORDCOUNT 0x008000 /* stat() */
#define DB_SET 0x010000 /* c_get(), log_get() */
#define DB_SET_RANGE 0x020000 /* c_get() */
-#define DB_SET_RECNO 0x040000 /* get(), c_get() */
+#define DB_SET_RECNO 0x040000 /* c_get() */
/* DB (user visible) error return codes. */
#define DB_INCOMPLETE ( -1) /* Sync didn't finish. */
@@ -472,6 +505,8 @@ struct __db_bt_stat {
u_int32_t bt_get; /* Items retrieved. */
u_int32_t bt_cache_hit; /* Hits in fast-insert code. */
u_int32_t bt_cache_miss; /* Misses in fast-insert code. */
+ u_int32_t bt_magic; /* Magic number. */
+ u_int32_t bt_version; /* Version number. */
};
#if defined(__cplusplus)
@@ -479,6 +514,7 @@ extern "C" {
#endif
int db_appinit __P((const char *, char * const *, DB_ENV *, int));
int db_appexit __P((DB_ENV *));
+int db_jump_set __P((void *, int));
int db_open __P((const char *, DBTYPE, int, int, DB_ENV *, DB_INFO *, DB **));
char *db_version __P((int *, int *, int *));
#if defined(__cplusplus)
@@ -576,6 +612,22 @@ struct __db_lsn {
u_int32_t offset; /* File offset. */
};
+/* Log statistics structure. */
+struct __db_log_stat {
+ u_int32_t st_magic; /* Log file magic number. */
+ u_int32_t st_version; /* Log file version number. */
+ int st_mode; /* Log file mode. */
+ u_int32_t st_lg_max; /* Maximum log file size. */
+ u_int32_t st_w_bytes; /* Bytes to log. */
+ u_int32_t st_w_mbytes; /* Megabytes to log. */
+ u_int32_t st_wc_bytes; /* Bytes to log since checkpoint. */
+ u_int32_t st_wc_mbytes; /* Megabytes to log since checkpoint. */
+ u_int32_t st_wcount; /* Total syncs to the log. */
+ u_int32_t st_scount; /* Total writes to the log. */
+ u_int32_t st_region_wait; /* Region lock granted after wait. */
+ u_int32_t st_region_nowait; /* Region lock granted without wait. */
+};
+
#if defined(__cplusplus)
extern "C" {
#endif
@@ -588,6 +640,7 @@ int log_get __P((DB_LOG *, DB_LSN *, DBT *, int));
int log_open __P((const char *, int, int, DB_ENV *, DB_LOG **));
int log_put __P((DB_LOG *, DB_LSN *, const DBT *, int));
int log_register __P((DB_LOG *, DB *, const char *, DBTYPE, u_int32_t *));
+int log_stat __P((DB_LOG *, DB_LOG_STAT **, void *(*)(size_t)));
int log_unlink __P((const char *, int, DB_ENV *));
int log_unregister __P((DB_LOG *, u_int32_t));
#if defined(__cplusplus)
@@ -610,30 +663,35 @@ int log_unregister __P((DB_LOG *, u_int32_t));
/* Mpool statistics structure. */
struct __db_mpool_stat {
size_t st_cachesize; /* Cache size. */
- unsigned long st_cache_hit; /* Pages found in the cache. */
- unsigned long st_cache_miss; /* Pages not found in the cache. */
- unsigned long st_map; /* Pages from mapped files. */
- unsigned long st_page_create; /* Pages created in the cache. */
- unsigned long st_page_in; /* Pages read in. */
- unsigned long st_page_out; /* Pages written out. */
- unsigned long st_ro_evict; /* Read-only pages evicted. */
- unsigned long st_rw_evict; /* Read-write pages evicted. */
- unsigned long st_hash_buckets; /* Number of hash buckets. */
- unsigned long st_hash_searches; /* Total hash chain searches. */
- unsigned long st_hash_longest; /* Longest hash chain searched. */
- unsigned long st_hash_examined; /* Total hash entries searched. */
+ u_int32_t st_cache_hit; /* Pages found in the cache. */
+ u_int32_t st_cache_miss; /* Pages not found in the cache. */
+ u_int32_t st_map; /* Pages from mapped files. */
+ u_int32_t st_page_create; /* Pages created in the cache. */
+ u_int32_t st_page_in; /* Pages read in. */
+ u_int32_t st_page_out; /* Pages written out. */
+ u_int32_t st_ro_evict; /* Clean pages forced from the cache. */
+ u_int32_t st_rw_evict; /* Dirty pages forced from the cache. */
+ u_int32_t st_hash_buckets; /* Number of hash buckets. */
+ u_int32_t st_hash_searches; /* Total hash chain searches. */
+ u_int32_t st_hash_longest; /* Longest hash chain searched. */
+ u_int32_t st_hash_examined; /* Total hash entries searched. */
+ u_int32_t st_page_clean; /* Clean pages. */
+ u_int32_t st_page_dirty; /* Dirty pages. */
+ u_int32_t st_page_trickle; /* Pages written by memp_trickle. */
+ u_int32_t st_region_wait; /* Region lock granted after wait. */
+ u_int32_t st_region_nowait; /* Region lock granted without wait. */
};
/* Mpool file statistics structure. */
struct __db_mpool_fstat {
char *file_name; /* File name. */
size_t st_pagesize; /* Page size. */
- unsigned long st_cache_hit; /* Pages found in the cache. */
- unsigned long st_cache_miss; /* Pages not found in the cache. */
- unsigned long st_map; /* Pages from mapped files. */
- unsigned long st_page_create; /* Pages created in the cache. */
- unsigned long st_page_in; /* Pages read in. */
- unsigned long st_page_out; /* Pages written out. */
+ u_int32_t st_cache_hit; /* Pages found in the cache. */
+ u_int32_t st_cache_miss; /* Pages not found in the cache. */
+ u_int32_t st_map; /* Pages from mapped files. */
+ u_int32_t st_page_create; /* Pages created in the cache. */
+ u_int32_t st_page_in; /* Pages read in. */
+ u_int32_t st_page_out; /* Pages written out. */
};
#if defined(__cplusplus)
@@ -654,6 +712,7 @@ int memp_register __P((DB_MPOOL *, int,
int memp_stat __P((DB_MPOOL *,
DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, void *(*)(size_t)));
int memp_sync __P((DB_MPOOL *, DB_LSN *));
+int memp_trickle __P((DB_MPOOL *, int, int *));
int memp_unlink __P((const char *, int, DB_ENV *));
#if defined(__cplusplus)
};
diff --git a/db2/include/db_am.h b/db2/include/db_am.h
index 5814ff88c3..0ea24be667 100644
--- a/db2/include/db_am.h
+++ b/db2/include/db_am.h
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db_am.h 10.6 (Sleepycat) 8/27/97
+ * @(#)db_am.h 10.7 (Sleepycat) 10/25/97
*/
#ifndef _DB_AM_H
#define _DB_AM_H
@@ -49,7 +49,7 @@
}
#define REC_CLOSE { \
if (argp != NULL) \
- free (argp); \
+ __db_free(argp); \
if (file_dbp != NULL) { \
F_CLR(file_dbp, DB_AM_RECOVER); \
if (F_ISSET(file_dbp, DB_AM_THREAD)) \
@@ -67,7 +67,7 @@
}
#define REC_NOOP_CLOSE { \
if (argp != NULL) \
- free (argp); \
+ __db_free(argp); \
return (ret); \
}
diff --git a/db2/include/db_auto.h b/db2/include/db_auto.h
index 7478173740..4c7b4da970 100644
--- a/db2/include/db_auto.h
+++ b/db2/include/db_auto.h
@@ -59,6 +59,7 @@ typedef struct _db_ovref_args {
DB_LSN prev_lsn;
u_int32_t fileid;
db_pgno_t pgno;
+ int32_t adjust;
DB_LSN lsn;
} __db_ovref_args;
diff --git a/db2/include/db_cxx.h b/db2/include/db_cxx.h
index 611d967ef9..01d1231092 100644
--- a/db2/include/db_cxx.h
+++ b/db2/include/db_cxx.h
@@ -4,12 +4,11 @@
* Copyright (c) 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db_cxx.h 10.8 (Sleepycat) 9/20/97
+ * @(#)db_cxx.h 10.12 (Sleepycat) 10/25/97
*/
#ifndef _DB_CXX_H_
#define _DB_CXX_H_
-
//
// C++ assumptions:
//
@@ -264,7 +263,7 @@ public:
// Normally these would be called register and unregister to
// parallel the C interface, but "register" is a reserved word.
//
- int db_register(Db *dbp, const char *name, u_int32_t *fidp);
+ int db_register(Db *dbp, const char *name, DBTYPE type, u_int32_t *fidp);
int db_unregister(u_int32_t fid);
// Create or remove new log files
@@ -353,6 +352,7 @@ public:
int stat(DB_MPOOL_STAT **gsp, DB_MPOOL_FSTAT ***fsp,
void *(*db_malloc)(size_t));
int sync(DbLsn *lsn);
+ int trickle(int pct, int *nwrotep);
// Create or remove new mpool files
//
@@ -598,6 +598,11 @@ public:
//
int appinit(const char *homeDir, char *const *db_config, int flags);
+ // Called automatically when DbEnv is destroyed, or can be
+ // called at any time to shut down Db.
+ //
+ int appexit();
+
////////////////////////////////////////////////////////////////
// simple get/set access methods
//
@@ -675,11 +680,6 @@ public:
u_int32_t get_lk_detect() const;
void set_lk_detect(u_int32_t);
- // Yield function for threads.
- typedef int (*db_yield_fcn) (void);
- db_yield_fcn get_yield() const;
- void set_yield(db_yield_fcn);
-
////////////////////////////////////////////////////////////////
// Logging.
@@ -783,7 +783,7 @@ class _exported Db
public:
int close(int flags);
int cursor(DbTxn *txnid, Dbc **cursorp);
- int del(Dbt *key, DbTxn *txnid);
+ int del(DbTxn *txnid, Dbt *key, int flags);
int fd(int *fdp);
int get(DbTxn *txnid, Dbt *key, Dbt *data, int flags);
int put(DbTxn *txnid, Dbt *key, Dbt *data, int flags);
@@ -884,5 +884,4 @@ private:
Dbc(const Dbc &);
Dbc &operator = (const Dbc &);
};
-
#endif /* !_DB_CXX_H_ */
diff --git a/db2/include/db_ext.h b/db2/include/db_ext.h
index b18b10ff7f..f9b3b3a214 100644
--- a/db2/include/db_ext.h
+++ b/db2/include/db_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __db_pgerr __P((DB *, db_pgno_t));
int __db_pgfmt __P((DB *, db_pgno_t));
int __db_addrem_log
@@ -25,7 +25,7 @@ int __db_big_print
int __db_big_read __P((void *, __db_big_args **));
int __db_ovref_log
__P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
- u_int32_t, db_pgno_t, DB_LSN *));
+ u_int32_t, db_pgno_t, int32_t, DB_LSN *));
int __db_ovref_print
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __db_ovref_read __P((void *, __db_ovref_args **));
@@ -79,7 +79,7 @@ int __db_goff __P((DB *, DBT *,
u_int32_t, db_pgno_t, void **, u_int32_t *));
int __db_poff __P((DB *, const DBT *, db_pgno_t *,
int (*)(DB *, u_int32_t, PAGE **)));
-int __db_ioff __P((DB *, db_pgno_t));
+int __db_ovref __P((DB *, db_pgno_t, int));
int __db_doff __P((DB *, db_pgno_t, int (*)(DB *, PAGE *)));
int __db_moff __P((DB *, const DBT *, db_pgno_t));
void __db_loadme __P((void));
diff --git a/db2/include/db_int.h.src b/db2/include/db_int.h.src
index ebadb35d36..abd93a6e8e 100644
--- a/db2/include/db_int.h.src
+++ b/db2/include/db_int.h.src
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db_int.h.src 10.30 (Sleepycat) 9/23/97
+ * @(#)db_int.h.src 10.36 (Sleepycat) 10/31/97
*/
#ifndef _DB_INTERNAL_H_
@@ -12,6 +12,7 @@
#include "db.h" /* Standard DB include file. */
#include "queue.h"
+#include "os_func.h"
#include "os_ext.h"
/*******************************************************
@@ -64,12 +65,16 @@
#undef SSZA
#define SSZA(name, field) ((int)&(((name *)0)->field[0]))
+/* Macros to return per-process address, offsets based on shared regions. */
+#define R_ADDR(base, offset) ((void *)((u_int8_t *)((base)->addr) + offset))
+#define R_OFFSET(base, p) ((u_int8_t *)(p) - (u_int8_t *)(base)->addr)
+
/* Free and free-string macros that overwrite memory during debugging. */
#ifdef DEBUG
#undef FREE
#define FREE(p, len) { \
memset(p, 0xff, len); \
- free(p); \
+ __db_free(p); \
}
#undef FREES
#define FREES(p) { \
@@ -78,18 +83,18 @@
#else
#undef FREE
#define FREE(p, len) { \
- free(p); \
+ __db_free(p); \
}
#undef FREES
#define FREES(p) { \
- free(p); \
+ __db_free(p); \
}
#endif
/* Structure used to print flag values. */
typedef struct __fn {
u_int32_t mask; /* Flag value. */
- char *name; /* Flag name. */
+ const char *name; /* Flag name. */
} FN;
/* Set, clear and test flags. */
@@ -163,10 +168,8 @@ typedef struct _db_mutex_t {
off_t off; /* Backing file offset. */
u_long pid; /* Lock holder: 0 or process pid. */
#endif
-#ifdef MUTEX_STATISTICS
- u_long mutex_set_wait; /* Blocking mutex: required waiting. */
- u_long mutex_set_nowait; /* Blocking mutex: without waiting. */
-#endif
+ u_int32_t mutex_set_wait; /* Granted after wait. */
+ u_int32_t mutex_set_nowait; /* Granted without waiting. */
} db_mutex_t;
#include "mutex_ext.h"
@@ -177,11 +180,10 @@ typedef struct _db_mutex_t {
/* Lock/unlock a DB thread. */
#define DB_THREAD_LOCK(dbp) \
(F_ISSET(dbp, DB_AM_THREAD) ? \
- __db_mutex_lock((db_mutex_t *)(dbp)->mutexp, -1, \
- (dbp)->dbenv == NULL ? NULL : (dbp)->dbenv->db_yield) : 0)
+ __db_mutex_lock((db_mutex_t *)(dbp)->mutexp, -1) : 0)
#define DB_THREAD_UNLOCK(dbp) \
(F_ISSET(dbp, DB_AM_THREAD) ? \
- __db_mutex_unlock((db_mutex_t *)(dbp)->mutexp, -1) : 0)
+ __db_mutex_unlock((db_mutex_t *)(dbp)->mutexp, -1) : 0)
/* Btree/recno local statistics structure. */
struct __db_bt_lstat; typedef struct __db_bt_lstat DB_BTREE_LSTAT;
@@ -260,7 +262,7 @@ typedef struct __dbpginfo {
#define IS_ZERO_LSN(LSN) ((LSN).file == 0)
/* Test if we need to log a change. */
-#define DB_LOGGING(dbp) \
+#define DB_LOGGING(dbp) \
(F_ISSET(dbp, DB_AM_LOGGING) && !F_ISSET(dbp, DB_AM_RECOVER))
#ifdef DEBUG
diff --git a/db2/include/hash.h b/db2/include/hash.h
index cb8ea350f5..ae6d3843c6 100644
--- a/db2/include/hash.h
+++ b/db2/include/hash.h
@@ -43,7 +43,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * @(#)hash.h 10.6 (Sleepycat) 8/18/97
+ * @(#)hash.h 10.7 (Sleepycat) 11/1/97
*/
/* Cursor structure definitions. */
@@ -179,8 +179,8 @@ typedef struct htab { /* Memory resident data structure. */
/* Constraints about number of pages and how much data goes on a page. */
#define MAX_PAGES(H) UINT32_T_MAX
-#define MINFILL 0.25
-#define ISBIG(H, N) (((N) > ((H)->hdr->pagesize * MINFILL)) ? 1 : 0)
+#define MINFILL 4
+#define ISBIG(H, N) (((N) > ((H)->hdr->pagesize / MINFILL)) ? 1 : 0)
/* Shorthands for accessing structure */
#define NDX_INVALID 0xFFFF
diff --git a/db2/include/hash_auto.h b/db2/include/hash_auto.h
index 5ff1229115..2b8aea8d86 100644
--- a/db2/include/hash_auto.h
+++ b/db2/include/hash_auto.h
@@ -108,7 +108,25 @@ typedef struct _ham_ovfl_args {
db_pgno_t start_pgno;
u_int32_t npages;
db_pgno_t free_pgno;
+ u_int32_t ovflpoint;
DB_LSN metalsn;
} __ham_ovfl_args;
+
+#define DB_ham_copypage (DB_ham_BEGIN + 8)
+
+typedef struct _ham_copypage_args {
+ u_int32_t type;
+ DB_TXN *txnid;
+ DB_LSN prev_lsn;
+ u_int32_t fileid;
+ db_pgno_t pgno;
+ DB_LSN pagelsn;
+ db_pgno_t next_pgno;
+ DB_LSN nextlsn;
+ db_pgno_t nnext_pgno;
+ DB_LSN nnextlsn;
+ DBT page;
+} __ham_copypage_args;
+
#endif
diff --git a/db2/include/hash_ext.h b/db2/include/hash_ext.h
index 32788c7b8a..5abbb274f0 100644
--- a/db2/include/hash_ext.h
+++ b/db2/include/hash_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __ham_open __P((DB *, DB_INFO *));
int __ham_close __P((DB *));
int __ham_c_iclose __P((DB *, DBC *));
@@ -54,10 +54,17 @@ int __ham_newpgno_read __P((void *, __ham_newpgno_args **));
int __ham_ovfl_log
__P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
u_int32_t, db_pgno_t, u_int32_t, db_pgno_t,
- DB_LSN *));
+ u_int32_t, DB_LSN *));
int __ham_ovfl_print
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __ham_ovfl_read __P((void *, __ham_ovfl_args **));
+int __ham_copypage_log
+ __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
+ u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t,
+ DB_LSN *, db_pgno_t, DB_LSN *, DBT *));
+int __ham_copypage_print
+ __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+int __ham_copypage_read __P((void *, __ham_copypage_args **));
int __ham_init_print __P((DB_ENV *));
int __ham_init_recover __P((DB_ENV *));
int __ham_pgin __P((db_pgno_t, void *, DBT *));
@@ -81,7 +88,7 @@ int __ham_item_first __P((HTAB *, HASH_CURSOR *, db_lockmode_t));
int __ham_item_prev __P((HTAB *, HASH_CURSOR *, db_lockmode_t));
int __ham_item_next __P((HTAB *, HASH_CURSOR *, db_lockmode_t));
void __ham_putitem __P((PAGE *p, const DBT *, int));
-int __ham_del_pair __P((HTAB *, HASH_CURSOR *));
+int __ham_del_pair __P((HTAB *, HASH_CURSOR *, int));
int __ham_replpair __P((HTAB *, HASH_CURSOR *, DBT *, u_int32_t));
void __ham_onpage_replace __P((PAGE *, size_t, u_int32_t, int32_t,
int32_t, DBT *));
@@ -118,4 +125,6 @@ int __ham_splitdata_recover
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __ham_ovfl_recover
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+int __ham_copypage_recover
+ __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __ham_stat __P((DB *, FILE *));
diff --git a/db2/include/lock.h b/db2/include/lock.h
index 8f9e81c0fa..8a927f076e 100644
--- a/db2/include/lock.h
+++ b/db2/include/lock.h
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)lock.h 10.8 (Sleepycat) 9/23/97
+ * @(#)lock.h 10.9 (Sleepycat) 10/25/97
*/
typedef struct __db_lockobj DB_LOCKOBJ;
@@ -54,8 +54,7 @@ struct __db_lockregion {
/* Macros to lock/unlock the region. */
#define LOCK_LOCKREGION(lt) \
- (void)__db_mutex_lock(&(lt)->region->hdr.lock,(lt)->fd, \
- (lt)->dbenv == NULL ? NULL : (lt)->dbenv->db_yield)
+ (void)__db_mutex_lock(&(lt)->region->hdr.lock, (lt)->fd)
#define UNLOCK_LOCKREGION(lt) \
(void)__db_mutex_unlock(&(lt)->region->hdr.lock, (lt)->fd)
diff --git a/db2/include/lock_ext.h b/db2/include/lock_ext.h
index 59d5072bc4..0d0ba148b6 100644
--- a/db2/include/lock_ext.h
+++ b/db2/include/lock_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __lock_getobj __P((DB_LOCKTAB *,
u_int32_t, DBT *, u_int32_t type, DB_LOCKOBJ **));
int __lock_cmp __P((DBT *, DB_LOCKOBJ *));
diff --git a/db2/include/log.h b/db2/include/log.h
index a9c82fa04d..a192a38136 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. */
};
diff --git a/db2/include/log_ext.h b/db2/include/log_ext.h
index bc63d9dac8..c32d1d6af6 100644
--- a/db2/include/log_ext.h
+++ b/db2/include/log_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __log_find __P((DB_LOG *, int *));
int __log_valid __P((DB_LOG *, LOG *, int));
int __log_register_log
diff --git a/db2/include/mp.h b/db2/include/mp.h
index 3b71774484..f68f42b144 100644
--- a/db2/include/mp.h
+++ b/db2/include/mp.h
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)mp.h 10.16 (Sleepycat) 9/23/97
+ * @(#)mp.h 10.19 (Sleepycat) 10/25/97
*/
struct __bh; typedef struct __bh BH;
@@ -22,30 +22,36 @@ struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE;
#define DB_CACHESIZE_DEF (128 * 1024)
#define DB_CACHESIZE_MIN ( 20 * 1024)
-/* Macro 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)
-
#define INVALID 0 /* Invalid shared memory offset. */
#define TEMPORARY "<tmp>" /* Temporary file name. */
/*
- * There are two kinds of locks in the mpool code. The first is the region
- * lock, used to serialize modifications to all data structures. The second
- * is a per-buffer header lock. The locking order is as follows:
+ * There are three ways we do locking in the mpool code:
+ *
+ * Locking a handle mutex to provide concurrency for DB_THREAD operations.
+ * Locking the region mutex to provide mutual exclusion while reading and
+ * writing structures in the shared region.
+ * Locking buffer header mutexes during I/O.
+ *
+ * The first will not be further described here. We use the shared mpool
+ * region lock to provide mutual exclusion while reading/modifying all of
+ * the data structures, including the buffer headers. We use a per-buffer
+ * header lock to wait on buffer I/O. The order of locking is as follows:
*
- * Process searching for a buffer:
+ * Searching for a buffer:
* Acquire the region lock.
* Find the buffer header.
* Increment the reference count (guarantee the buffer stays).
- * If the BH_LOCKED flag is set:
+ * If the BH_LOCKED flag is set (I/O is going on):
* Release the region lock.
+ * Request the buffer lock.
+ * The I/O will complete...
* Acquire the buffer lock.
* Release the buffer lock.
* Acquire the region lock.
* Return the buffer.
*
- * Process reading/writing a buffer:
+ * Reading/writing a buffer:
* Acquire the region lock.
* Find/create the buffer header.
* If reading, increment the reference count (guarantee the buffer stays).
@@ -69,8 +75,7 @@ struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE;
#define LOCKHANDLE(dbmp, mutexp) \
if (F_ISSET(dbmp, MP_LOCKHANDLE)) \
- (void)__db_mutex_lock(mutexp, (dbmp)->fd, \
- (dbmp)->dbenv == NULL ? NULL : (dbmp)->dbenv->db_yield)
+ (void)__db_mutex_lock(mutexp, (dbmp)->fd)
#define UNLOCKHANDLE(dbmp, mutexp) \
if (F_ISSET(dbmp, MP_LOCKHANDLE)) \
(void)__db_mutex_unlock(mutexp, (dbmp)->fd)
@@ -78,8 +83,7 @@ struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE;
#define LOCKREGION(dbmp) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
(void)__db_mutex_lock(&((RLAYOUT *)(dbmp)->mp)->lock, \
- (dbmp)->fd, \
- (dbmp)->dbenv == NULL ? NULL : (dbmp)->dbenv->db_yield)
+ (dbmp)->fd)
#define UNLOCKREGION(dbmp) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
(void)__db_mutex_unlock(&((RLAYOUT *)(dbmp)->mp)->lock, \
@@ -87,8 +91,7 @@ struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE;
#define LOCKBUFFER(dbmp, bhp) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
- (void)__db_mutex_lock(&(bhp)->mutex, (dbmp)->fd, \
- (dbmp)->dbenv == NULL ? NULL : (dbmp)->dbenv->db_yield)
+ (void)__db_mutex_lock(&(bhp)->mutex, (dbmp)->fd)
#define UNLOCKBUFFER(dbmp, bhp) \
if (F_ISSET(dbmp, MP_LOCKREGION)) \
(void)__db_mutex_unlock(&(bhp)->mutex, (dbmp)->fd)
@@ -250,8 +253,8 @@ struct __bh {
#define BH_WRITE 0x020 /* Page scheduled for writing. */
u_int16_t flags;
- SH_TAILQ_ENTRY q; /* LRU list of bucket headers. */
- SH_TAILQ_ENTRY mq; /* MPOOLFILE list of bucket headers. */
+ SH_TAILQ_ENTRY q; /* LRU queue. */
+ SH_TAILQ_ENTRY hq; /* MPOOL hash bucket queue. */
db_pgno_t pgno; /* Underlying MPOOLFILE page number. */
size_t mf_offset; /* Associated MPOOLFILE offset. */
diff --git a/db2/include/mp_ext.h b/db2/include/mp_ext.h
index 3934c130a8..49d86ba2e5 100644
--- a/db2/include/mp_ext.h
+++ b/db2/include/mp_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __memp_bhwrite
__P((DB_MPOOL *, MPOOLFILE *, BH *, int *, int *));
int __memp_pgread __P((DB_MPOOLFILE *, BH *, int));
diff --git a/db2/include/mutex_ext.h b/db2/include/mutex_ext.h
index ff46b6a404..cb2d4886af 100644
--- a/db2/include/mutex_ext.h
+++ b/db2/include/mutex_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
void __db_mutex_init __P((db_mutex_t *, off_t));
-int __db_mutex_lock __P((db_mutex_t *, int, int (*)(void)));
+int __db_mutex_lock __P((db_mutex_t *, int));
int __db_mutex_unlock __P((db_mutex_t *, int));
diff --git a/db2/include/os_ext.h b/db2/include/os_ext.h
index 59d72acf12..e48a1e9407 100644
--- a/db2/include/os_ext.h
+++ b/db2/include/os_ext.h
@@ -1,19 +1,19 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __db_abspath __P((const char *));
-char *__db_rpath __P((const char *));
-int __db_dir __P((DB_ENV *, const char *, char ***, int *));
-void __db_dirf __P((DB_ENV *, char **, int));
+int __os_dirlist __P((const char *, char ***, int *));
+void __os_dirfree __P((char **, int));
int __db_fileid __P((DB_ENV *, const char *, int, u_int8_t *));
-int __db_lseek __P((int, size_t, db_pgno_t, u_long, int));
-int __db_mmap __P((int, size_t, int, int, void *));
-int __db_munmap __P((void *, size_t));
-int __db_oflags __P((int));
-int __db_fdopen __P((const char *, int, int, int, int *));
int __db_fsync __P((int));
+int __os_map __P((int, size_t, int, int, void **));
+int __os_unmap __P((void *, size_t));
+int __db_oflags __P((int));
+int __db_open __P((const char *, int, int, int, int *));
int __db_close __P((int));
+char *__db_rpath __P((const char *));
int __db_read __P((int, void *, size_t, ssize_t *));
int __db_write __P((int, void *, size_t, ssize_t *));
-int __db_sleep __P((u_long, u_long));
-int __db_exists __P((const char *, int *));
-int __db_stat __P((DB_ENV *, const char *, int, off_t *, off_t *));
+int __os_seek __P((int, size_t, db_pgno_t, u_long, int));
+int __os_sleep __P((u_long, u_long));
+int __os_exists __P((const char *, int *));
+int __os_ioinfo __P((const char *, int, off_t *, off_t *));
int __db_unlink __P((const char *));
diff --git a/db2/include/os_func.h b/db2/include/os_func.h
new file mode 100644
index 0000000000..0a72942903
--- /dev/null
+++ b/db2/include/os_func.h
@@ -0,0 +1,76 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ * Sleepycat Software. All rights reserved.
+ *
+ * @(#)os_func.h 10.2 (Sleepycat) 10/28/97
+ */
+
+/* Calls which can be replaced by the application. */
+struct __db_jumptab {
+ void *(*db_calloc) __P((size_t, size_t)); /* DB_FUNC_CALLOC */
+ int (*db_close) __P((int)); /* DB_FUNC_CLOSE */
+ void (*db_dirfree) __P((char **, int)); /* DB_FUNC_DIRFREE */
+ int (*db_dirlist) /* DB_FUNC_DIRLIST */
+ __P((const char *, char ***, int *));
+ int (*db_exists) /* DB_FUNC_EXISTS */
+ __P((const char *, int *));
+ void (*db_free) __P((void *)); /* DB_FUNC_FREE */
+ int (*db_fsync) __P((int)); /* DB_FUNC_FSYNC */
+ int (*db_ioinfo) /* DB_FUNC_IOINFO */
+ __P((const char *, int, off_t *, off_t *));
+ void *(*db_malloc) __P((size_t)); /* DB_FUNC_MALLOC */
+ int (*db_map) /* DB_FUNC_MAP */
+ __P((int, size_t, int, int, void **));
+ int (*db_open) /* DB_FUNC_OPEN */
+ __P((const char *, int, ...));
+ ssize_t (*db_read) __P((int, void *, size_t)); /* DB_FUNC_READ */
+ void *(*db_realloc) __P((void *, size_t)); /* DB_FUNC_REALLOC */
+ int (*db_seek) /* DB_FUNC_SEEK */
+ __P((int, size_t, db_pgno_t, u_long, int));
+ int (*db_sleep) __P((u_long, u_long)); /* DB_FUNC_SLEEP */
+ char *(*db_strdup) __P((const char *)); /* DB_FUNC_STRDUP */
+ int (*db_unlink) __P((const char *)); /* DB_FUNC_UNLINK */
+ int (*db_unmap) __P((void *, size_t)); /* DB_FUNC_UNMAP */
+ ssize_t (*db_write) /* DB_FUNC_WRITE */
+ __P((int, const void *, size_t));
+ int (*db_yield) __P((void)); /* DB_FUNC_YIELD */
+};
+
+extern struct __db_jumptab __db_jump;
+
+/*
+ * Names used by DB to call through the jump table.
+ *
+ * The naming scheme goes like this: if the functionality the application can
+ * replace is the same as the DB functionality, e.g., calloc, or dirlist, then
+ * we use the name __db_XXX, and the application is expected to replace the
+ * complete functionality, which may or may not map directly to an ANSI C or
+ * POSIX 1003.1 interface. If the functionality that the aplication replaces
+ * only underlies what the DB os directory exports to other parts of DB, e.g.,
+ * read, then the name __os_XXX is used, and the application can only replace
+ * the underlying functionality. Under most circumstances, the os directory
+ * part of DB is the only code that should use the __os_XXX names, all other
+ * parts of DB should be calling __db_XXX functions.
+ */
+#define __db_calloc __db_jump.db_calloc
+#define __os_close __db_jump.db_close /* __db_close is a wrapper. */
+#define __db_dirfree __db_jump.db_dirfree
+#define __db_dirlist __db_jump.db_dirlist
+#define __db_exists __db_jump.db_exists
+#define __db_free __db_jump.db_free
+#define __os_fsync __db_jump.db_fsync /* __db_fsync is a wrapper. */
+#define __db_ioinfo __db_jump.db_ioinfo
+#define __db_malloc __db_jump.db_malloc
+#define __db_map __db_jump.db_map
+#define __os_open __db_jump.db_open /* __db_open is a wrapper. */
+#define __os_read __db_jump.db_read /* __db_read is a wrapper. */
+#define __db_realloc __db_jump.db_realloc
+#define __db_seek __db_jump.db_seek
+#define __db_sleep __db_jump.db_sleep
+#define __db_strdup __db_jump.db_strdup
+#define __os_unlink __db_jump.db_unlink /* __db_unlink is a wrapper. */
+#define __db_unmap __db_jump.db_unmap
+#define __os_write __db_jump.db_write /* __db_write is a wrapper. */
+#define __db_yield __db_jump.db_yield
diff --git a/db2/include/txn.h b/db2/include/txn.h
index 8bb3976c1c..c64ac3fc52 100644
--- a/db2/include/txn.h
+++ b/db2/include/txn.h
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)txn.h 10.10 (Sleepycat) 9/23/97
+ * @(#)txn.h 10.11 (Sleepycat) 10/25/97
*/
#ifndef _TXN_H_
#define _TXN_H_
@@ -96,15 +96,13 @@ struct __db_txnregion {
/* Macros to lock/unlock the region and threads. */
#define LOCK_TXNTHREAD(tmgrp) \
if (F_ISSET(tmgrp, DB_THREAD)) \
- (void)__db_mutex_lock((tmgrp)->mutexp, -1, \
- (tmgrp)->dbenv == NULL ? NULL : (tmgrp)->dbenv->db_yield)
+ (void)__db_mutex_lock((tmgrp)->mutexp, -1)
#define UNLOCK_TXNTHREAD(tmgrp) \
if (F_ISSET(tmgrp, DB_THREAD)) \
(void)__db_mutex_unlock((tmgrp)->mutexp, -1)
#define LOCK_TXNREGION(tmgrp) \
- (void)__db_mutex_lock(&(tmgrp)->region->hdr.lock,(tmgrp)->fd, \
- (tmgrp)->dbenv == NULL ? NULL : (tmgrp)->dbenv->db_yield)
+ (void)__db_mutex_lock(&(tmgrp)->region->hdr.lock, (tmgrp)->fd)
#define UNLOCK_TXNREGION(tmgrp) \
(void)__db_mutex_unlock(&(tmgrp)->region->hdr.lock, (tmgrp)->fd)
diff --git a/db2/include/txn_ext.h b/db2/include/txn_ext.h
index 8ba0b0c44e..9b617bb68c 100644
--- a/db2/include/txn_ext.h
+++ b/db2/include/txn_ext.h
@@ -1,4 +1,4 @@
-/* Do not edit: automatically built by dist/distrib. */
+/* DO NOT EDIT: automatically built by dist/distrib. */
int __txn_regop_log
__P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
u_int32_t));