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-rw-r--r--db2/db.h245
1 files changed, 156 insertions, 89 deletions
diff --git a/db2/db.h b/db2/db.h
index 6a75bcd..e1f5c72 100644
--- a/db2/db.h
+++ b/db2/db.h
@@ -1,10 +1,10 @@
/*-
* See the file LICENSE for redistribution information.
*
- * Copyright (c) 1996, 1997
+ * Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*
- * @(#)db.h.src 10.102 (Sleepycat) 1/18/98
+ * @(#)db.h.src 10.131 (Sleepycat) 6/2/98
*/
#ifndef _DB_H_
@@ -54,8 +54,7 @@
*
* !!!
* We also provide the standard u_int, u_long etc., if they're not provided
- * by the system. This isn't completely necessary, but the example programs
- * need them.
+ * by the system.
*/
#ifndef __BIT_TYPES_DEFINED__
#define __BIT_TYPES_DEFINED__
@@ -72,9 +71,9 @@
#define DB_VERSION_MAJOR 2
-#define DB_VERSION_MINOR 3
-#define DB_VERSION_PATCH 16
-#define DB_VERSION_STRING "Sleepycat Software: DB 2.3.16: (1/19/98)"
+#define DB_VERSION_MINOR 4
+#define DB_VERSION_PATCH 14
+#define DB_VERSION_STRING "Sleepycat Software: DB 2.4.14: (6/2/98)"
typedef u_int32_t db_pgno_t; /* Page number type. */
typedef u_int16_t db_indx_t; /* Page offset type. */
@@ -95,6 +94,7 @@ struct __db_bt_stat; typedef struct __db_bt_stat DB_BTREE_STAT;
struct __db_dbt; typedef struct __db_dbt DBT;
struct __db_env; typedef struct __db_env DB_ENV;
struct __db_info; typedef struct __db_info DB_INFO;
+struct __db_lock_stat; typedef struct __db_lock_stat DB_LOCK_STAT;
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;
@@ -102,6 +102,7 @@ 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_finfo;typedef struct __db_mpool_finfo DB_MPOOL_FINFO;
struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT;
struct __db_mpool_stat; typedef struct __db_mpool_stat DB_MPOOL_STAT;
struct __db_mpoolfile; typedef struct __db_mpoolfile DB_MPOOLFILE;
@@ -134,7 +135,7 @@ struct __db_dbt {
* There are a set of functions that the application can replace with its
* own versions, and some other knobs which can be turned at run-time.
*/
-#define DB_FUNC_CALLOC 1 /* ANSI C calloc. */
+#define DB_FUNC_CALLOC 1 /* DELETED: 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. */
@@ -149,12 +150,18 @@ struct __db_dbt {
#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 /* DB: strdup(3). */
+#define DB_FUNC_STRDUP 16 /* DELETED: DB: strdup(3). */
#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. */
#define DB_TSL_SPINS 21 /* DB: initialize spin count. */
+#define DB_FUNC_RUNLINK 22 /* DB: remove a shared region. */
+#define DB_REGION_ANON 23 /* DB: anonymous, unnamed regions. */
+#define DB_REGION_INIT 24 /* DB: page-fault regions in create. */
+#define DB_REGION_NAME 25 /* DB: anonymous, named regions. */
+#define DB_MUTEXLOCKS 26 /* DB: turn off all mutex locks. */
+#define DB_PAGEYIELD 27 /* DB: yield the CPU on pool get. */
/*
* Database configuration and initialization.
@@ -162,52 +169,51 @@ struct __db_dbt {
/*
* Flags understood by both db_open(3) and db_appinit(3).
*/
-#define DB_CREATE 0x00001 /* O_CREAT: create file as necessary. */
-#define DB_NOMMAP 0x00002 /* Don't mmap underlying file. */
-#define DB_THREAD 0x00004 /* Free-thread DB package handles. */
+#define DB_CREATE 0x000001 /* O_CREAT: create file as necessary. */
+#define DB_NOMMAP 0x000002 /* Don't mmap underlying file. */
+#define DB_THREAD 0x000004 /* Free-thread DB package handles. */
/*
* Flags understood by db_appinit(3).
- *
- * DB_MUTEXDEBUG is internal only, and not documented.
*/
-/* 0x00007 COMMON MASK. */
-#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. */
+/* 0x000007 COMMON MASK. */
+#define DB_INIT_LOCK 0x000008 /* Initialize locking. */
+#define DB_INIT_LOG 0x000010 /* Initialize logging. */
+#define DB_INIT_MPOOL 0x000020 /* Initialize mpool. */
+#define DB_INIT_TXN 0x000040 /* Initialize transactions. */
+#define DB_MPOOL_PRIVATE 0x000080 /* Mpool: private memory pool. */
+#define __UNUSED_100 0x000100
+#define DB_RECOVER 0x000200 /* Run normal recovery. */
+#define DB_RECOVER_FATAL 0x000400 /* Run catastrophic recovery. */
+#define DB_TXN_NOSYNC 0x000800 /* Do not sync log on commit. */
+#define DB_USE_ENVIRON 0x001000 /* Use the environment. */
+#define DB_USE_ENVIRON_ROOT 0x002000 /* Use the environment if root. */
/* CURRENTLY UNUSED LOCK FLAGS. */
-#define DB_TXN_LOCK_2PL 0x00000 /* Two-phase locking. */
-#define DB_TXN_LOCK_OPTIMISTIC 0x00000 /* Optimistic locking. */
-#define DB_TXN_LOCK_MASK 0x00000 /* Lock flags mask. */
+#define DB_TXN_LOCK_2PL 0x000000 /* Two-phase locking. */
+#define DB_TXN_LOCK_OPTIMIST 0x000000 /* Optimistic locking. */
+#define DB_TXN_LOCK_MASK 0x000000 /* Lock flags mask. */
/* CURRENTLY UNUSED LOG FLAGS. */
-#define DB_TXN_LOG_REDO 0x00000 /* Redo-only logging. */
-#define DB_TXN_LOG_UNDO 0x00000 /* Undo-only logging. */
-#define DB_TXN_LOG_UNDOREDO 0x00000 /* Undo/redo write-ahead logging. */
-#define DB_TXN_LOG_MASK 0x00000 /* Log flags mask. */
+#define DB_TXN_LOG_REDO 0x000000 /* Redo-only logging. */
+#define DB_TXN_LOG_UNDO 0x000000 /* Undo-only logging. */
+#define DB_TXN_LOG_UNDOREDO 0x000000 /* Undo/redo write-ahead logging. */
+#define DB_TXN_LOG_MASK 0x000000 /* Log flags mask. */
/*
* Flags understood by db_open(3).
*
- * DB_EXCL and DB_TEMPORARY are internal only, and not documented.
- * DB_SEQUENTIAL is currently internal, but likely to be exported some day.
+ * DB_EXCL and DB_TEMPORARY are internal only, and are not documented.
+ * DB_SEQUENTIAL is currently internal, but may be exported some day.
*/
-/* 0x00007 COMMON MASK. */
-/* 0x07fff ALREADY USED. */
-#define DB_EXCL 0x08000 /* O_EXCL: exclusive open. */
-#define DB_RDONLY 0x10000 /* O_RDONLY: read-only. */
-#define DB_SEQUENTIAL 0x20000 /* Indicate sequential access. */
-#define DB_TEMPORARY 0x40000 /* Remove on last close. */
-#define DB_TRUNCATE 0x80000 /* O_TRUNCATE: replace existing DB. */
+/* 0x000007 COMMON MASK. */
+/* 0x003fff ALREADY USED. */
+#define __UNUSED_4000 0x004000
+#define DB_EXCL 0x008000 /* O_EXCL: exclusive open. */
+#define DB_RDONLY 0x010000 /* O_RDONLY: read-only. */
+#define DB_SEQUENTIAL 0x020000 /* Indicate sequential access. */
+#define DB_TEMPORARY 0x040000 /* Remove on last close. */
+#define DB_TRUNCATE 0x080000 /* O_TRUNCATE: replace existing DB. */
/*
* Deadlock detector modes; used in the DBENV structure to configure the
@@ -240,9 +246,9 @@ struct __db_env {
/* Locking. */
DB_LOCKTAB *lk_info; /* Return from lock_open(). */
u_int8_t *lk_conflicts; /* Two dimensional conflict matrix. */
- int lk_modes; /* Number of lock modes in table. */
- u_int lk_max; /* Maximum number of locks. */
- u_int32_t lk_detect; /* Deadlock detect on every conflict. */
+ u_int32_t lk_modes; /* Number of lock modes in table. */
+ u_int32_t lk_max; /* Maximum number of locks. */
+ u_int32_t lk_detect; /* Deadlock detect on all conflicts. */
/* Logging. */
DB_LOG *lg_info; /* Return from log_open(). */
@@ -255,7 +261,7 @@ struct __db_env {
/* Transactions. */
DB_TXNMGR *tx_info; /* Return from txn_open(). */
- unsigned int tx_max; /* Maximum number of transactions. */
+ u_int32_t tx_max; /* Maximum number of transactions. */
int (*tx_recover) /* Dispatch function for recovery. */
__P((DB_LOG *, DBT *, DB_LSN *, int, void *));
@@ -300,17 +306,17 @@ struct __db_info {
void *(*db_malloc) __P((size_t));
/* Btree access method. */
- int bt_maxkey; /* Maximum keys per page. */
- int bt_minkey; /* Minimum keys per page. */
+ u_int32_t bt_maxkey; /* Maximum keys per page. */
+ u_int32_t bt_minkey; /* Minimum keys per page. */
int (*bt_compare) /* Comparison function. */
__P((const DBT *, const DBT *));
size_t (*bt_prefix) /* Prefix function. */
__P((const DBT *, const DBT *));
/* Hash access method. */
- unsigned int h_ffactor; /* Fill factor. */
- unsigned int h_nelem; /* Number of elements. */
- u_int32_t (*h_hash) /* Hash function. */
+ u_int32_t h_ffactor; /* Fill factor. */
+ u_int32_t h_nelem; /* Number of elements. */
+ u_int32_t (*h_hash) /* Hash function. */
__P((const void *, u_int32_t));
/* Recno access method. */
@@ -353,6 +359,7 @@ struct __db_info {
#define DB_SET 0x010000 /* c_get(), log_get() */
#define DB_SET_RANGE 0x020000 /* c_get() */
#define DB_SET_RECNO 0x040000 /* c_get() */
+#define DB_CURLSN 0x080000 /* log_put() */
/*
* DB (user visible) error return codes.
@@ -435,14 +442,14 @@ struct __db {
void *(*db_malloc) __P((size_t));
/* Functions. */
- int (*close) __P((DB *, int));
+ int (*close) __P((DB *, u_int32_t));
int (*cursor) __P((DB *, DB_TXN *, DBC **));
- int (*del) __P((DB *, DB_TXN *, DBT *, int));
+ int (*del) __P((DB *, DB_TXN *, DBT *, u_int32_t));
int (*fd) __P((DB *, int *));
- int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, int));
- int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, int));
- int (*stat) __P((DB *, void *, void *(*)(size_t), int));
- int (*sync) __P((DB *, int));
+ int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t));
+ int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t));
+ int (*stat) __P((DB *, void *, void *(*)(size_t), u_int32_t));
+ int (*sync) __P((DB *, u_int32_t));
#define DB_AM_DUP 0x000001 /* DB_DUP (internal). */
#define DB_AM_INMEM 0x000002 /* In-memory; no sync on close. */
@@ -483,9 +490,9 @@ struct __dbc {
void *internal; /* Access method private. */
int (*c_close) __P((DBC *));
- int (*c_del) __P((DBC *, int));
- int (*c_get) __P((DBC *, DBT *, DBT *, int));
- int (*c_put) __P((DBC *, DBT *, DBT *, int));
+ int (*c_del) __P((DBC *, u_int32_t));
+ int (*c_get) __P((DBC *, DBT *, DBT *, u_int32_t));
+ int (*c_put) __P((DBC *, DBT *, DBT *, u_int32_t));
};
/* Btree/recno statistics structure. */
@@ -524,10 +531,11 @@ struct __db_bt_stat {
#if defined(__cplusplus)
extern "C" {
#endif
-int db_appinit __P((const char *, char * const *, DB_ENV *, int));
+int db_appinit __P((const char *, char * const *, DB_ENV *, u_int32_t));
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 **));
+int db_open __P((const char *,
+ DBTYPE, u_int32_t, int, DB_ENV *, DB_INFO *, DB **));
int db_value_set __P((int, int));
char *db_version __P((int *, int *, int *));
#if defined(__cplusplus)
@@ -575,6 +583,21 @@ typedef enum {
DB_LOCK_IWR /* Intent to read and write. */
} db_lockmode_t;
+/*
+ * Status of a lock.
+ */
+typedef enum {
+ DB_LSTAT_ABORTED, /* Lock belongs to an aborted txn. */
+ DB_LSTAT_ERR, /* Lock is bad. */
+ DB_LSTAT_FREE, /* Lock is unallocated. */
+ DB_LSTAT_HELD, /* Lock is currently held. */
+ DB_LSTAT_NOGRANT, /* Lock was not granted. */
+ DB_LSTAT_PENDING, /* Lock was waiting and has been
+ * promoted; waiting for the owner
+ * to run and upgrade it to held. */
+ DB_LSTAT_WAITING /* Lock is on the wait queue. */
+} db_status_t;
+
/* Lock request structure. */
struct __db_lockreq {
db_lockop_t op; /* Operation. */
@@ -596,19 +619,38 @@ extern const u_int8_t db_rw_conflicts[];
#define DB_LOCK_RIW_N 6
extern const u_int8_t db_riw_conflicts[];
+struct __db_lock_stat {
+ u_int32_t st_magic; /* Lock file magic number. */
+ u_int32_t st_version; /* Lock file version number. */
+ u_int32_t st_maxlocks; /* Maximum number of locks in table. */
+ u_int32_t st_nmodes; /* Number of lock modes. */
+ u_int32_t st_numobjs; /* Number of objects. */
+ u_int32_t st_nlockers; /* Number of lockers. */
+ u_int32_t st_nconflicts; /* Number of lock conflicts. */
+ u_int32_t st_nrequests; /* Number of lock gets. */
+ u_int32_t st_nreleases; /* Number of lock puts. */
+ u_int32_t st_ndeadlocks; /* Number of lock deadlocks. */
+ u_int32_t st_region_wait; /* Region lock granted after wait. */
+ u_int32_t st_region_nowait; /* Region lock granted without wait. */
+ u_int32_t st_refcnt; /* Region reference count. */
+ u_int32_t st_regsize; /* Region size. */
+};
+
#if defined(__cplusplus)
extern "C" {
#endif
int lock_close __P((DB_LOCKTAB *));
-int lock_detect __P((DB_LOCKTAB *, int, int));
+int lock_detect __P((DB_LOCKTAB *, u_int32_t, u_int32_t));
int lock_get __P((DB_LOCKTAB *,
- u_int32_t, int, const DBT *, db_lockmode_t, DB_LOCK *));
+ u_int32_t, u_int32_t, const DBT *, db_lockmode_t, DB_LOCK *));
int lock_id __P((DB_LOCKTAB *, u_int32_t *));
-int lock_open __P((const char *, int, int, DB_ENV *, DB_LOCKTAB **));
+int lock_open __P((const char *,
+ u_int32_t, int, DB_ENV *, DB_LOCKTAB **));
int lock_put __P((DB_LOCKTAB *, DB_LOCK));
+int lock_stat __P((DB_LOCKTAB *, DB_LOCK_STAT **, void *(*)(size_t)));
int lock_unlink __P((const char *, int, DB_ENV *));
int lock_vec __P((DB_LOCKTAB *,
- u_int32_t, int, DB_LOCKREQ *, int, DB_LOCKREQ **));
+ u_int32_t, u_int32_t, DB_LOCKREQ *, int, DB_LOCKREQ **));
#if defined(__cplusplus)
}
#endif
@@ -651,19 +693,21 @@ struct __db_log_stat {
u_int32_t st_region_nowait; /* Region lock granted without wait. */
u_int32_t st_cur_file; /* Current log file number. */
u_int32_t st_cur_offset; /* Current log file offset. */
+ u_int32_t st_refcnt; /* Region reference count. */
+ u_int32_t st_regsize; /* Region size. */
};
#if defined(__cplusplus)
extern "C" {
#endif
-int log_archive __P((DB_LOG *, char **[], int, void *(*)(size_t)));
+int log_archive __P((DB_LOG *, char **[], u_int32_t, void *(*)(size_t)));
int log_close __P((DB_LOG *));
int log_compare __P((const DB_LSN *, const DB_LSN *));
int log_file __P((DB_LOG *, const DB_LSN *, char *, size_t));
int log_flush __P((DB_LOG *, const DB_LSN *));
-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_get __P((DB_LOG *, DB_LSN *, DBT *, u_int32_t));
+int log_open __P((const char *, u_int32_t, int, DB_ENV *, DB_LOG **));
+int log_put __P((DB_LOG *, DB_LSN *, const DBT *, u_int32_t));
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 *));
@@ -705,6 +749,17 @@ struct __db_mpool_stat {
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. */
+ u_int32_t st_refcnt; /* Region reference count. */
+ u_int32_t st_regsize; /* Region size. */
+};
+
+/* Mpool file open information structure. */
+struct __db_mpool_finfo {
+ int ftype; /* File type. */
+ DBT *pgcookie; /* Byte-string passed to pgin/pgout. */
+ u_int8_t *fileid; /* Unique file ID. */
+ int32_t lsn_offset; /* LSN offset in page. */
+ u_int32_t clear_len; /* Cleared length on created pages. */
};
/* Mpool file statistics structure. */
@@ -724,13 +779,13 @@ extern "C" {
#endif
int memp_close __P((DB_MPOOL *));
int memp_fclose __P((DB_MPOOLFILE *));
-int memp_fget __P((DB_MPOOLFILE *, db_pgno_t *, int, void *));
+int memp_fget __P((DB_MPOOLFILE *, db_pgno_t *, u_int32_t, 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 *, int));
-int memp_fset __P((DB_MPOOLFILE *, void *, int));
+ u_int32_t, int, size_t, DB_MPOOL_FINFO *, DB_MPOOLFILE **));
+int memp_fput __P((DB_MPOOLFILE *, void *, u_int32_t));
+int memp_fset __P((DB_MPOOLFILE *, void *, u_int32_t));
int memp_fsync __P((DB_MPOOLFILE *));
-int memp_open __P((const char *, int, int, DB_ENV *, DB_MPOOL **));
+int memp_open __P((const char *, u_int32_t, int, DB_ENV *, DB_MPOOL **));
int memp_register __P((DB_MPOOL *, int,
int (*)(db_pgno_t, void *, DBT *),
int (*)(db_pgno_t, void *, DBT *)));
@@ -765,16 +820,21 @@ struct __db_txn_active {
};
struct __db_txn_stat {
- DB_LSN st_last_ckp; /* lsn of the last checkpoint */
- DB_LSN st_pending_ckp; /* last checkpoint did not finish */
- time_t st_time_ckp; /* time of last checkpoint */
- u_int32_t st_last_txnid; /* last transaction id given out */
- u_int32_t st_maxtxns; /* maximum number of active txns */
- u_int32_t st_naborts; /* number of aborted transactions */
- u_int32_t st_nbegins; /* number of begun transactions */
- u_int32_t st_ncommits; /* number of committed transactions */
- u_int32_t st_nactive; /* number of active transactions */
- DB_TXN_ACTIVE *st_txnarray; /* array of active transactions */
+ DB_LSN st_last_ckp; /* lsn of the last checkpoint */
+ DB_LSN st_pending_ckp; /* last checkpoint did not finish */
+ time_t st_time_ckp; /* time of last checkpoint */
+ u_int32_t st_last_txnid; /* last transaction id given out */
+ u_int32_t st_maxtxns; /* maximum number of active txns */
+ u_int32_t st_naborts; /* number of aborted transactions */
+ u_int32_t st_nbegins; /* number of begun transactions */
+ u_int32_t st_ncommits; /* number of committed transactions */
+ u_int32_t st_nactive; /* number of active transactions */
+ DB_TXN_ACTIVE
+ *st_txnarray; /* array of active transactions */
+ u_int32_t st_region_wait; /* Region lock granted after wait. */
+ u_int32_t st_region_nowait; /* Region lock granted without wait. */
+ u_int32_t st_refcnt; /* Region reference count. */
+ u_int32_t st_regsize; /* Region size. */
};
#if defined(__cplusplus)
@@ -782,11 +842,11 @@ 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 *, int, int));
+int txn_checkpoint __P((const DB_TXNMGR *, u_int32_t, u_int32_t));
int txn_commit __P((DB_TXN *));
int txn_close __P((DB_TXNMGR *));
u_int32_t txn_id __P((DB_TXN *));
-int txn_open __P((const char *, int, int, DB_ENV *, DB_TXNMGR **));
+int txn_open __P((const char *, u_int32_t, int, DB_ENV *, DB_TXNMGR **));
int txn_prepare __P((DB_TXN *));
int txn_stat __P((DB_TXNMGR *, DB_TXN_STAT **, void *(*)(size_t)));
int txn_unlink __P((const char *, int, DB_ENV *));
@@ -810,10 +870,17 @@ int txn_unlink __P((const char *, int, DB_ENV *));
*/
#define DBM_SUFFIX ".db"
+#if defined(_XPG4_2)
+typedef struct {
+ char *dptr;
+ size_t dsize;
+} datum;
+#else
typedef struct {
char *dptr;
int dsize;
} datum;
+#endif
/*
* Translate DBM calls into DB calls so that DB doesn't step on the
@@ -894,7 +961,7 @@ typedef enum {
typedef struct entry {
char *key;
- void *data;
+ char *data;
} ENTRY;
/*
@@ -909,7 +976,7 @@ typedef struct entry {
#if defined(__cplusplus)
extern "C" {
#endif
-int __db_hcreate __P((unsigned int));
+int __db_hcreate __P((size_t));
void __db_hdestroy __P((void));
ENTRY *__db_hsearch __P((ENTRY, ACTION));
#if defined(__cplusplus)