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-rw-r--r--db2/include/btree.h8
-rw-r--r--db2/include/btree_ext.h2
-rw-r--r--db2/include/db.h.src17
-rw-r--r--db2/include/db_185.h.src10
-rw-r--r--db2/include/db_cxx.h10
-rw-r--r--db2/include/db_ext.h4
-rw-r--r--db2/include/db_int.h.src14
-rw-r--r--db2/include/db_page.h32
-rw-r--r--db2/include/db_shash.h22
-rw-r--r--db2/include/hash_ext.h3
-rw-r--r--db2/include/lock.h8
-rw-r--r--db2/include/log.h10
-rw-r--r--db2/include/log_ext.h6
-rw-r--r--db2/include/mp.h6
-rw-r--r--db2/include/shqueue.h37
-rw-r--r--db2/include/txn.h27
16 files changed, 110 insertions, 106 deletions
diff --git a/db2/include/btree.h b/db2/include/btree.h
index 5cf4224..878096b 100644
--- a/db2/include/btree.h
+++ b/db2/include/btree.h
@@ -43,7 +43,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * @(#)btree.h 10.16 (Sleepycat) 8/24/97
+ * @(#)btree.h 10.17 (Sleepycat) 9/23/97
*/
/* Forward structure declarations. */
@@ -181,6 +181,12 @@ struct __cursor {
#define C_DELETED 0x0001
#define C_REPLACE 0x0002
#define C_REPLACE_SETUP 0x0004
+
+ /*
+ * Internal cursor held for DB->get; don't hold locks unless involved
+ * in a TXN.
+ */
+#define C_INTERNAL 0x0008
u_int32_t flags;
};
diff --git a/db2/include/btree_ext.h b/db2/include/btree_ext.h
index dab0f5b..9133c58 100644
--- a/db2/include/btree_ext.h
+++ b/db2/include/btree_ext.h
@@ -8,6 +8,7 @@ int __bam_pgin __P((db_pgno_t, void *, DBT *));
int __bam_pgout __P((db_pgno_t, void *, DBT *));
int __bam_mswap __P((PAGE *));
int __bam_cursor __P((DB *, DB_TXN *, DBC **));
+int __bam_c_iclose __P((DB *, DBC *));
int __bam_get __P((DB *, DB_TXN *, DBT *, DBT *, int));
int __bam_ovfl_chk __P((DB *, CURSOR *, u_int32_t, int));
int __bam_ca_delete __P((DB *, db_pgno_t, u_int32_t, CURSOR *));
@@ -51,6 +52,7 @@ int __bam_cdel_recover
int __ram_open __P((DB *, DBTYPE, DB_INFO *));
int __ram_cursor __P((DB *, DB_TXN *, DBC **));
int __ram_close __P((DB *));
+int __ram_c_iclose __P((DB *, DBC *));
void __ram_ca __P((DB *, db_recno_t, ca_recno_arg));
int __ram_getno __P((DB *, const DBT *, db_recno_t *, int));
int __ram_snapshot __P((DB *));
diff --git a/db2/include/db.h.src b/db2/include/db.h.src
index f9b29fa..63d9603 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 10.67 (Sleepycat) 8/25/97
+ * @(#)db.h.src 10.77 (Sleepycat) 9/24/97
*/
#ifndef _DB_H_
@@ -67,8 +67,8 @@
#define DB_VERSION_MAJOR 2
#define DB_VERSION_MINOR 3
-#define DB_VERSION_PATCH 4
-#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.4: (8/20/97)"
+#define DB_VERSION_PATCH 10
+#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.10: (9/24/97)"
typedef u_int32_t db_pgno_t; /* Page number type. */
typedef u_int16_t db_indx_t; /* Page offset type. */
@@ -329,6 +329,7 @@ struct __db_info {
#define DB_NEEDSPLIT ( -9) /* Page needs to be split. */
#define DB_REGISTERED (-10) /* Entry was previously registered. */
#define DB_SWAPBYTES (-11) /* Database needs byte swapping. */
+#define DB_TXN_CKP (-12) /* Encountered ckp record in log. */
struct __db_ilock { /* Internal DB access method lock. */
db_pgno_t pgno; /* Page being locked. */
@@ -338,7 +339,7 @@ struct __db_ilock { /* Internal DB access method lock. */
/* DB access method description structure. */
struct __db {
- void *mutex; /* Synchronization for free threading */
+ void *mutexp; /* Synchronization for free threading */
DBTYPE type; /* DB access method. */
DB_ENV *dbenv; /* DB_ENV structure. */
DB_ENV *mp_dbenv; /* DB_ENV for local mpool creation. */
@@ -640,11 +641,11 @@ extern "C" {
#endif
int memp_close __P((DB_MPOOL *));
int memp_fclose __P((DB_MPOOLFILE *));
-int memp_fget __P((DB_MPOOLFILE *, db_pgno_t *, unsigned long, void *));
+int memp_fget __P((DB_MPOOLFILE *, db_pgno_t *, int, void *));
int memp_fopen __P((DB_MPOOL *, const char *,
int, int, int, size_t, int, DBT *, u_int8_t *, DB_MPOOLFILE **));
-int memp_fput __P((DB_MPOOLFILE *, void *, unsigned long));
-int memp_fset __P((DB_MPOOLFILE *, void *, unsigned long));
+int memp_fput __P((DB_MPOOLFILE *, void *, int));
+int memp_fset __P((DB_MPOOLFILE *, void *, int));
int memp_fsync __P((DB_MPOOLFILE *));
int memp_open __P((const char *, int, int, DB_ENV *, DB_MPOOL **));
int memp_register __P((DB_MPOOL *, int,
@@ -697,7 +698,7 @@ extern "C" {
#endif
int txn_abort __P((DB_TXN *));
int txn_begin __P((DB_TXNMGR *, DB_TXN *, DB_TXN **));
-int txn_checkpoint __P((const DB_TXNMGR *, long, long));
+int txn_checkpoint __P((const DB_TXNMGR *, int, int));
int txn_commit __P((DB_TXN *));
int txn_close __P((DB_TXNMGR *));
u_int32_t txn_id __P((DB_TXN *));
diff --git a/db2/include/db_185.h.src b/db2/include/db_185.h.src
index 52fb3a0..3fbca8b 100644
--- a/db2/include/db_185.h.src
+++ b/db2/include/db_185.h.src
@@ -36,7 +36,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * @(#)db_185.h.src 8.3 (Sleepycat) 7/27/97
+ * @(#)db_185.h.src 8.4 (Sleepycat) 9/16/97
*/
#ifndef _DB_185_H_
@@ -72,6 +72,14 @@
@u_int32_decl@
#endif
+/*
+ * XXX
+ * SGI/IRIX already has a pgno_t.
+ */
+#ifdef sgi
+#define pgno_t db_pgno_t
+#endif
+
#define MAX_PAGE_NUMBER 0xffffffff /* >= # of pages in a file */
typedef u_int32_t pgno_t;
#define MAX_PAGE_OFFSET 65535 /* >= # of bytes in a page */
diff --git a/db2/include/db_cxx.h b/db2/include/db_cxx.h
index 506aed8..611d967 100644
--- a/db2/include/db_cxx.h
+++ b/db2/include/db_cxx.h
@@ -4,7 +4,7 @@
* Copyright (c) 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db_cxx.h 10.7 (Sleepycat) 8/22/97
+ * @(#)db_cxx.h 10.8 (Sleepycat) 9/20/97
*/
#ifndef _DB_CXX_H_
@@ -303,9 +303,9 @@ class _exported DbMpoolFile
{
public:
int close();
- int get(db_pgno_t *pgnoaddr, unsigned long flags, void *pagep);
- int put(void *pgaddr, unsigned long flags);
- int set(void *pgaddr, unsigned long flags);
+ int get(db_pgno_t *pgnoaddr, int flags, void *pagep);
+ int put(void *pgaddr, int flags);
+ int set(void *pgaddr, int flags);
int sync();
static int open(DbMpool *mp, const char *file,
@@ -391,7 +391,7 @@ class _exported DbTxnMgr
friend DbEnv;
public:
int begin(DbTxn *pid, DbTxn **tid);
- int checkpoint(long kbyte, long min) const;
+ int checkpoint(int kbyte, int min) const;
int close();
int stat(DB_TXN_STAT **statp, void *(*db_malloc)(size_t));
diff --git a/db2/include/db_ext.h b/db2/include/db_ext.h
index 1cccb47..b18b10f 100644
--- a/db2/include/db_ext.h
+++ b/db2/include/db_ext.h
@@ -57,8 +57,8 @@ int __db_noop_print
int __db_noop_read __P((void *, __db_noop_args **));
int __db_init_print __P((DB_ENV *));
int __db_init_recover __P((DB_ENV *));
-int __db_pgin __P((db_pgno_t, void *));
-int __db_pgout __P((db_pgno_t, void *));
+int __db_pgin __P((db_pgno_t, size_t, void *));
+int __db_pgout __P((db_pgno_t, size_t, void *));
int __db_dispatch __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __db_add_recovery __P((DB_ENV *,
int (*)(DB_LOG *, DBT *, DB_LSN *, int, void *), u_int32_t));
diff --git a/db2/include/db_int.h.src b/db2/include/db_int.h.src
index b60e500..ebadb35 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 10.28 (Sleepycat) 8/20/97
+ * @(#)db_int.h.src 10.30 (Sleepycat) 9/23/97
*/
#ifndef _DB_INTERNAL_H_
@@ -177,11 +177,11 @@ 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)->mutex, -1, \
+ __db_mutex_lock((db_mutex_t *)(dbp)->mutexp, -1, \
(dbp)->dbenv == NULL ? NULL : (dbp)->dbenv->db_yield) : 0)
#define DB_THREAD_UNLOCK(dbp) \
(F_ISSET(dbp, DB_AM_THREAD) ? \
- __db_mutex_unlock((db_mutex_t *)(dbp)->mutex, -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;
@@ -306,14 +306,6 @@ typedef struct __dbpginfo {
* Transactions and recovery.
*******************************************************/
/*
- * The locker id space is divided between the transaction manager and the lock
- * manager. Lockid's start at 0 and go to MAX_LOCKER_ID. Txn Id's start at
- * MAX_LOCKER_ID + 1 and go up to MAX_TXNID.
- */
-#define MAX_LOCKER_ID 0x0fffffff
-#define MAX_TXNID 0xffffffff
-
-/*
* Out of band value for a lock. The locks are returned to callers as offsets
* into the lock regions. Since the RLAYOUT structure begins all regions, an
* offset of 0 is guaranteed not to be a valid lock.
diff --git a/db2/include/db_page.h b/db2/include/db_page.h
index cde7ff9..30f6072 100644
--- a/db2/include/db_page.h
+++ b/db2/include/db_page.h
@@ -4,7 +4,7 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db_page.h 10.11 (Sleepycat) 9/3/97
+ * @(#)db_page.h 10.13 (Sleepycat) 9/24/97
*/
#ifndef _DB_PAGE_H_
@@ -273,6 +273,17 @@ typedef struct _db_page {
#define H_OFFDUP 4 /* Overflow page of duplicates. */
/*
+ * !!!
+ * Items on hash pages are (potentially) unaligned, so we can never cast the
+ * (page + offset) pointer to an HKEYDATA, HOFFPAGE or HOFFDUP structure, as
+ * we do with B+tree on-page structures. Because we frequently want the type
+ * field, it requires no alignment, and it's in the same location in all three
+ * structures, there's a pair of macros.
+ */
+#define HPAGE_PTYPE(p) (*(u_int8_t *)p)
+#define HPAGE_TYPE(pg, indx) (*P_ENTRY(pg, indx))
+
+/*
* The first and second types are H_KEYDATA and H_DUPLICATE, represented
* by the HKEYDATA structure:
*
@@ -294,10 +305,7 @@ typedef struct _hkeydata {
u_int8_t type; /* 00: Page type. */
u_int8_t data[1]; /* Variable length key/data item. */
} HKEYDATA;
-
-/* Get a HKEYDATA item for a specific index. */
-#define GET_HKEYDATA(pg, indx) \
- ((HKEYDATA *)P_ENTRY(pg, indx))
+#define HKEYDATA_DATA(p) (((u_int8_t *)p) + SSZA(HKEYDATA, data))
/*
* The length of any HKEYDATA item. Note that indx is an element index,
@@ -333,8 +341,8 @@ typedef struct _hkeydata {
#define H_NUMPAIRS(pg) (NUM_ENT(pg) / 2)
#define H_KEYINDEX(pindx) (2 * (pindx))
#define H_DATAINDEX(pindx) ((2 * (pindx)) + 1)
-#define H_PAIRKEY(pg, pindx) GET_HKEYDATA(pg, H_KEYINDEX(pindx))
-#define H_PAIRDATA(pg, pindx) GET_HKEYDATA(pg, H_DATAINDEX(pindx))
+#define H_PAIRKEY(pg, pindx) P_ENTRY(pg, H_KEYINDEX(pindx))
+#define H_PAIRDATA(pg, pindx) P_ENTRY(pg, H_DATAINDEX(pindx))
#define H_PAIRSIZE(pg, psize, pindx) \
(LEN_HITEM(pg, psize, H_KEYINDEX(pindx)) + \
LEN_HITEM(pg, psize, H_DATAINDEX(pindx)))
@@ -355,9 +363,8 @@ typedef struct _hoffpage {
u_int32_t tlen; /* 08-11: Total length of item. */
} HOFFPAGE;
-/* Get a HOFFPAGE item for a specific index. */
-#define GET_HOFFPAGE(pg, indx) \
- ((HOFFPAGE *)P_ENTRY(pg, indx))
+#define HOFFPAGE_PGNO(p) (((u_int8_t *)p) + SSZ(HOFFPAGE, pgno))
+#define HOFFPAGE_TLEN(p) (((u_int8_t *)p) + SSZ(HOFFPAGE, tlen))
/*
* Page space required to add a new HOFFPAGE item to the page, with and
@@ -378,10 +385,7 @@ typedef struct _hoffdup {
u_int8_t unused[3]; /* 01-03: Padding, unused. */
db_pgno_t pgno; /* 04-07: Offpage page number. */
} HOFFDUP;
-
-/* Get a HOFFDUP item for a specific index. */
-#define GET_HOFFDUP(pg, indx) \
- ((HOFFDUP *)P_ENTRY(pg, indx))
+#define HOFFDUP_PGNO(p) (((u_int8_t *)p) + SSZ(HOFFDUP, pgno))
/*
* Page space required to add a new HOFFDUP item to the page, with and
diff --git a/db2/include/db_shash.h b/db2/include/db_shash.h
index f695a2b..b94e0f1 100644
--- a/db2/include/db_shash.h
+++ b/db2/include/db_shash.h
@@ -4,14 +4,14 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)db_shash.h 10.1 (Sleepycat) 4/12/97
+ * @(#)db_shash.h 10.2 (Sleepycat) 9/16/97
*/
/* Hash Headers */
typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
/*
- * __db_hashlookup --
+ * HASHLOOKUP --
*
* Look up something in a shared memory hash table. The "elt" argument
* should be a key, and cmp_func must know how to compare a key to whatever
@@ -30,7 +30,7 @@ typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
* If the element is not in the hash table, this macro exits with result
* set to NULL.
*/
-#define __db_hashlookup(begin, type, field, elt, r, n, hash, cmp) do { \
+#define HASHLOOKUP(begin, type, field, elt, r, n, hash, cmp) do { \
DB_HASHTAB *__bucket; \
u_int32_t __ndx; \
\
@@ -43,10 +43,10 @@ typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
} while(0)
/*
- * __db_hashinsert --
+ * HASHINSERT --
*
* Insert a new entry into the hash table. This assumes that lookup has
- * failed; don't call it if you haven't already called __db_hashlookup.
+ * failed; don't call it if you haven't already called HASHLOOKUP.
* begin: the beginning address of the hash table.
* type: the structure type of the elements that are linked in each bucket.
* field: the name of the field by which the "type" structures are linked.
@@ -54,7 +54,7 @@ typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
* nelems: the number of buckets in the hash table.
* hash_func: the hash function that operates on elements of the type of elt
*/
-#define __db_hashinsert(begin, type, field, elt, n, hash) do { \
+#define HASHINSERT(begin, type, field, elt, n, hash) do { \
u_int32_t __ndx; \
DB_HASHTAB *__bucket; \
\
@@ -64,7 +64,7 @@ typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
} while(0)
/*
- * __db_hashremove --
+ * HASHREMOVE --
* Remove the entry with a key == elt.
* begin: address of the beginning of the hash table.
* type: the structure type of the elements that are linked in each bucket.
@@ -75,19 +75,19 @@ typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
* cmp_func: compare elements of the type of elt with those in the table (of
* type "type").
*/
-#define __db_hashremove(begin, type, field, elt, n, hash, cmp) { \
+#define HASHREMOVE(begin, type, field, elt, n, hash, cmp) { \
u_int32_t __ndx; \
DB_HASHTAB *__bucket; \
SH_TAILQ_ENTRY *__entp; \
\
__ndx = hash(elt) % (n); \
__bucket = &begin[__ndx]; \
- __db_hashlookup(begin, type, field, elt, __entp, n, hash, cmp); \
+ HASHLOOKUP(begin, type, field, elt, __entp, n, hash, cmp); \
SH_TAILQ_REMOVE(__bucket, __entp, field, type); \
}
/*
- * __db_hashremove_el --
+ * HASHREMOVE_EL --
* Given the object "obj" in the table, remove it.
* begin: address of the beginning of the hash table.
* type: the structure type of the elements that are linked in each bucket.
@@ -96,7 +96,7 @@ typedef SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
* nelems: the number of buckets in the hash table.
* hash_func: the hash function that operates on elements of the type of elt
*/
-#define __db_hashremove_el(begin, type, field, obj, n, hash) { \
+#define HASHREMOVE_EL(begin, type, field, obj, n, hash) { \
u_int32_t __ndx; \
DB_HASHTAB *__bucket; \
\
diff --git a/db2/include/hash_ext.h b/db2/include/hash_ext.h
index 5ae63dc..32788c7 100644
--- a/db2/include/hash_ext.h
+++ b/db2/include/hash_ext.h
@@ -1,6 +1,7 @@
/* 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 *));
int __ham_expand_table __P((HTAB *));
u_int32_t __ham_call_hash __P((HTAB *, u_int8_t *, int32_t));
int __ham_init_dbt __P((DBT *, u_int32_t, void **, u_int32_t *));
@@ -96,7 +97,7 @@ int __ham_dirty_page __P((HTAB *, PAGE *));
int __ham_get_page __P((DB *, db_pgno_t, PAGE **));
int __ham_overflow_page __P((DB *, u_int32_t, PAGE **));
#ifdef DEBUG
-int bucket_to_page __P((HTAB *, int));
+int __bucket_to_page __P((HTAB *, int));
#endif
void __ham_init_ovflpages __P((HTAB *));
int __ham_get_cpage __P((HTAB *, HASH_CURSOR *, db_lockmode_t));
diff --git a/db2/include/lock.h b/db2/include/lock.h
index 18d29e8..8f9e81c 100644
--- a/db2/include/lock.h
+++ b/db2/include/lock.h
@@ -4,13 +4,19 @@
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*
- * @(#)lock.h 10.7 (Sleepycat) 7/29/97
+ * @(#)lock.h 10.8 (Sleepycat) 9/23/97
*/
typedef struct __db_lockobj DB_LOCKOBJ;
#define DB_DEFAULT_LOCK_FILE "__db_lock.share"
#define DB_LOCK_DEFAULT_N 5000
+
+/*
+ * The locker id space is divided between the transaction manager and the lock
+ * manager. Lockid's start at 0 and go to DB_LOCK_MAXID. Txn Id's start at
+ * DB_LOCK_MAXID + 1 and go up to TXN_INVALID.
+ */
#define DB_LOCK_MAXID 0x7fffffff
/*
diff --git a/db2/include/log.h b/db2/include/log.h
index 970dfd1..a9c82fa 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 10.8 (Sleepycat) 8/18/97
+ * @(#)log.h 10.9 (Sleepycat) 9/23/97
*/
#ifndef _LOG_H_
@@ -30,11 +30,11 @@ struct __log_persist; typedef struct __log_persist LOGP;
/* Macros to lock/unlock the region and threads. */
#define LOCK_LOGTHREAD(dblp) \
if (F_ISSET(dblp, DB_AM_THREAD)) \
- (void)__db_mutex_lock(&(dblp)->mutex, -1, \
+ (void)__db_mutex_lock((dblp)->mutexp, -1, \
(dblp)->dbenv == NULL ? NULL : (dblp)->dbenv->db_yield)
#define UNLOCK_LOGTHREAD(dblp) \
if (F_ISSET(dblp, DB_AM_THREAD)) \
- (void)__db_mutex_unlock(&(dblp)->mutex, -1);
+ (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)
@@ -56,7 +56,7 @@ typedef struct __db_entry {
*/
struct __db_log {
/* These fields need to be protected for multi-threaded support. */
- db_mutex_t mutex; /* Mutex for thread protection. */
+ db_mutex_t *mutexp; /* Mutex for thread protection. */
DB_ENTRY *dbentry; /* Recovery file-id mapping. */
#define DB_GROW_SIZE 64
@@ -86,6 +86,8 @@ struct __db_log {
void *addr; /* Address of shalloc() region. */
int fd; /* Region file descriptor. */
+ char *dir; /* Directory argument. */
+
u_int32_t flags; /* Support the DB_AM_XXX flags. */
};
diff --git a/db2/include/log_ext.h b/db2/include/log_ext.h
index d5c9dd6..bc63d9d 100644
--- a/db2/include/log_ext.h
+++ b/db2/include/log_ext.h
@@ -1,6 +1,6 @@
/* Do not edit: automatically built by dist/distrib. */
-int __log_find __P((DB_ENV *, LOG *, int *));
-int __log_valid __P((DB_ENV *, LOG *, int));
+int __log_find __P((DB_LOG *, int *));
+int __log_valid __P((DB_LOG *, LOG *, int));
int __log_register_log
__P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
DBT *, DBT *, u_int32_t, DBTYPE));
@@ -18,7 +18,7 @@ int __log_init_recover __P((DB_ENV *));
int __log_findckp __P((DB_LOG *, DB_LSN *));
int __log_get __P((DB_LOG *, DB_LSN *, DBT *, int, int));
int __log_put __P((DB_LOG *, DB_LSN *, const DBT *, int));
-int __log_name __P((DB_ENV *, int, char **));
+int __log_name __P((DB_LOG *, int, char **));
int __log_register_recover
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
int __log_unregister_recover
diff --git a/db2/include/mp.h b/db2/include/mp.h
index 1fe0c75..3b71774 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 10.15 (Sleepycat) 8/29/97
+ * @(#)mp.h 10.16 (Sleepycat) 9/23/97
*/
struct __bh; typedef struct __bh BH;
@@ -99,7 +99,7 @@ struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE;
*/
struct __db_mpool {
/* These fields need to be protected for multi-threaded support. */
- db_mutex_t mutex; /* Structure lock. */
+ db_mutex_t *mutexp; /* Structure lock. */
/* List of pgin/pgout routines. */
LIST_HEAD(__db_mpregh, __db_mpreg) dbregq;
@@ -145,7 +145,7 @@ struct __db_mpreg {
*/
struct __db_mpoolfile {
/* These fields need to be protected for multi-threaded support. */
- db_mutex_t mutex; /* Structure lock. */
+ db_mutex_t *mutexp; /* Structure lock. */
int fd; /* Underlying file descriptor. */
diff --git a/db2/include/shqueue.h b/db2/include/shqueue.h
index c3e2f4a..c596d33 100644
--- a/db2/include/shqueue.h
+++ b/db2/include/shqueue.h
@@ -1,38 +1,11 @@
-/*
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+/*-
+ * See the file LICENSE for redistribution information.
*
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * Copyright (c) 1996, 1997
+ * Sleepycat Software. All rights reserved.
*
- * @(#)shqueue.h 8.11 (Sleepycat) 7/27/97
+ * @(#)shqueue.h 8.12 (Sleepycat) 9/10/97
*/
-
#ifndef _SYS_SHQUEUE_H_
#define _SYS_SHQUEUE_H_
diff --git a/db2/include/txn.h b/db2/include/txn.h
index f4e0999..8bb3976 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 10.6 (Sleepycat) 7/29/97
+ * @(#)txn.h 10.10 (Sleepycat) 9/23/97
*/
#ifndef _TXN_H_
#define _TXN_H_
@@ -14,8 +14,9 @@
* the region is always created group RW of the group owning the directory.
*/
#define DEFAULT_TXN_FILE "__db_txn.share"
+/* TXN_MINIMUM = (DB_LOCK_MAXID + 1) but this makes compilers complain. */
+#define TXN_MINIMUM 0x80000000
#define TXN_INVALID 0xffffffff /* Maximum number of txn ids. */
-#define TXN_MINIMUM 0x80000000 /* First transaction id */
/*
* Transaction type declarations.
@@ -36,6 +37,7 @@ typedef struct __txn_detail {
#define TXN_ABORTED 2
#define TXN_PREPARED 3
u_int32_t status; /* status of the transaction */
+ SH_TAILQ_ENTRY links; /* free/active list */
} TXN_DETAIL;
/*
@@ -45,7 +47,7 @@ typedef struct __txn_detail {
*/
struct __db_txnmgr {
/* These fields need to be protected for multi-threaded support. */
- db_mutex_t mutex; /* Synchronization. */
+ db_mutex_t *mutexp; /* Synchronization. */
/* list of active transactions */
TAILQ_HEAD(_chain, __db_txn) txn_chain;
@@ -57,11 +59,14 @@ struct __db_txnmgr {
u_int flags; /* DB_TXN_NOSYNC, DB_THREAD */
size_t reg_size; /* how large we think the region is */
DB_TXNREGION *region; /* address of shared memory region */
+ void *mem; /* address of the shalloc space */
};
/*
* Layout of the shared memory region.
- *
+ * The region consists of a DB_TXNREGION structure followed by a large
+ * pool of shalloc'd memory which is used to hold TXN_DETAIL structures
+ * and thread mutexes (which are dynamically allocated).
*/
struct __db_txnregion {
RLAYOUT hdr; /* Shared memory region header. */
@@ -69,7 +74,6 @@ struct __db_txnregion {
u_int32_t version; /* version number */
u_int32_t maxtxns; /* maximum number of active txns */
u_int32_t last_txnid; /* last transaction id given out */
- u_int32_t free_txn; /* head of transaction free list */
DB_LSN pending_ckp; /* last checkpoint did not finish */
DB_LSN last_ckp; /* lsn of the last checkpoint */
time_t time_ckp; /* time of last checkpoint */
@@ -78,20 +82,25 @@ struct __db_txnregion {
u_int32_t naborts; /* number of aborted transactions */
u_int32_t ncommits; /* number of committed transactions */
u_int32_t nbegins; /* number of begun transactions */
- TXN_DETAIL table[1]; /* array of TXN structures */
+ SH_TAILQ_HEAD(_active) active_txn; /* active transaction list */
};
+/*
+ * Make the region large enough to hold N transaction detail structures
+ * plus some space to hold thread handles and the beginning of the shalloc
+ * region.
+ */
#define TXN_REGION_SIZE(N) \
- (sizeof(DB_TXNREGION) + N * sizeof(DB_TXN))
+ (sizeof(DB_TXNREGION) + N * sizeof(TXN_DETAIL) + 1000)
/* Macros to lock/unlock the region and threads. */
#define LOCK_TXNTHREAD(tmgrp) \
if (F_ISSET(tmgrp, DB_THREAD)) \
- (void)__db_mutex_lock(&(tmgrp)->mutex, -1, \
+ (void)__db_mutex_lock((tmgrp)->mutexp, -1, \
(tmgrp)->dbenv == NULL ? NULL : (tmgrp)->dbenv->db_yield)
#define UNLOCK_TXNTHREAD(tmgrp) \
if (F_ISSET(tmgrp, DB_THREAD)) \
- (void)__db_mutex_unlock(&(tmgrp)->mutex, -1)
+ (void)__db_mutex_unlock((tmgrp)->mutexp, -1)
#define LOCK_TXNREGION(tmgrp) \
(void)__db_mutex_lock(&(tmgrp)->region->hdr.lock,(tmgrp)->fd, \
generated by cgit v1.1 at 2024-11-07 05:19:22 +0000