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Diffstat (limited to 'debian/htdig/htdig-3.2.0b6/db/db.h.win32')
| -rw-r--r-- | debian/htdig/htdig-3.2.0b6/db/db.h.win32 | 1280 |
1 files changed, 1280 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/db/db.h.win32 b/debian/htdig/htdig-3.2.0b6/db/db.h.win32 new file mode 100644 index 00000000..319adb79 --- /dev/null +++ b/debian/htdig/htdig-3.2.0b6/db/db.h.win32 @@ -0,0 +1,1280 @@ +/* Part of the ht://Dig package <http://www.htdig.org/> */ +/* Copyright (c) 2003 The ht://Dig Group */ +/* For copyright details, see the file COPYING in your distribution */ +/* or the GNU Library General Public License (LGPL) version 2 or later or later */ +/* <http://www.gnu.org/copyleft/lgpl.html> */ + +/* BDB db.h header file for the Native WIN32 MSVC Platform */ + +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1996, 1997, 1998, 1999 + * Sleepycat Software. All rights reserved. + * + * @(#)db.src 11.20 (Sleepycat) 10/28/99 + */ + +/* WIN32 - MSVC++ Version */ + +#ifndef _DB_H_ +#define _DB_H_ + +#ifndef __NO_SYSTEM_INCLUDES +#include <sys/types.h> +#include <sys/stat.h> + +#ifdef _MSC_VER /* _WIN32 */ + +#include <windows.h> + +#define snprintf _snprintf +#define vsnprintf _vsnprintf +typedef unsigned char u_int8_t; +typedef short int16_t; +typedef unsigned short u_int16_t; +typedef int int32_t; +typedef unsigned int u_int32_t; +typedef long int64_t; +typedef unsigned long u_int64_t; +typedef int32_t register_t; +typedef unsigned long ssize_t; + +#endif + +#include <stdio.h> +#endif + +/* + * XXX + * MacOS: ensure that Metrowerks C makes enumeration types int sized. + */ +#ifdef __MWERKS__ +#pragma enumsalwaysint on +#endif + +/* + * 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) || defined(_MSC_VER) +#define __P(protos) protos /* ANSI C prototypes */ +#else +#define const +#define __P(protos) () /* K&R C preprocessor */ +#endif + +/* + * !!! + * DB needs basic information about specifically sized types. If they're + * not provided by the system, typedef them here. + * + * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__, + * as does BIND and Kerberos, since we don't know for sure what #include + * files the user is using. + * + * !!! + * We also provide the standard u_int, u_long etc., if they're not provided + * by the system. + */ + +#ifndef _MSC_VER /* WIN32 */ +#ifndef __BIT_TYPES_DEFINED__ +#define __BIT_TYPES_DEFINED__ +@u_int8_decl@ +@int16_decl@ +@u_int16_decl@ +@int32_decl@ +@u_int32_decl@ +#endif + +@u_char_decl@ +@u_short_decl@ +@u_int_decl@ +@u_long_decl@ +@ssize_t_decl@ + +#endif /* _MSC_VER - WIN32 */ + +#define DB_VERSION_MAJOR 3 +#define DB_VERSION_MINOR 0 +#define DB_VERSION_PATCH 55 +#define DB_VERSION_STRING "Sleepycat Software: Berkeley DB 3.0.55: (February 28, 2000)" + +typedef u_int32_t db_pgno_t; /* Page number type. */ +typedef u_int16_t db_indx_t; /* Page offset type. */ +#define DB_MAX_PAGES 0xffffffff /* >= # of pages in a file */ + +typedef u_int32_t db_recno_t; /* Record number type. */ +#define DB_MAX_RECORDS 0xffffffff /* >= # of records in a tree */ + +/* Forward structure declarations, so applications get type checking. */ +struct __db; typedef struct __db DB; +#ifdef DB_DBM_HSEARCH + typedef struct __db DBM; +#endif +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_h_stat; typedef struct __db_h_stat DB_HASH_STAT; +struct __db_ilock; typedef struct __db_ilock DB_LOCK_ILOCK; +struct __db_lock_stat; typedef struct __db_lock_stat DB_LOCK_STAT; +struct __db_lock_u; typedef struct __db_lock_u DB_LOCK; +struct __db_lockreq; typedef struct __db_lockreq DB_LOCKREQ; +struct __db_log_stat; typedef struct __db_log_stat DB_LOG_STAT; +struct __db_lsn; typedef struct __db_lsn DB_LSN; +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; +struct __db_qam_stat; typedef struct __db_qam_stat DB_QUEUE_STAT; +struct __db_txn; typedef struct __db_txn DB_TXN; +struct __db_txn_active; typedef struct __db_txn_active DB_TXN_ACTIVE; +struct __db_txn_stat; typedef struct __db_txn_stat DB_TXN_STAT; +struct __dbc; typedef struct __dbc DBC; +struct __fh_t; typedef struct __fh_t DB_FH; +struct __db_cmpr_info; typedef struct __db_cmpr_info DB_CMPR_INFO; + +/* Key/data structure -- a Data-Base Thang. */ +struct __db_dbt { + void *data; /* key/data */ + u_int32_t size; /* key/data length */ + u_int32_t ulen; /* RO: length of user buffer. */ + u_int32_t dlen; /* RO: get/put record length. */ + u_int32_t doff; /* RO: get/put record offset. */ + +#define DB_DBT_INTERNAL 0x001 /* Ignore user's malloc (internal). */ +#define DB_DBT_MALLOC 0x002 /* Return in malloc'd memory. */ +#define DB_DBT_PARTIAL 0x004 /* Partial put/get. */ +#define DB_DBT_REALLOC 0x008 /* Return in realloc'd memory. */ +#define DB_DBT_USERMEM 0x010 /* Return in user's memory. */ + u_int32_t flags; +}; + +/* + * Information from user specified page compression + */ +struct __db_cmpr_info { + int (*compress) /* Compression function */ + __P((const u_int8_t*, int, u_int8_t**, int*,void *)); + int (*uncompress) /* Uncompression function */ + __P((const u_int8_t*, int, u_int8_t*, int,void *)); + u_int8_t coefficient; /* Compression factor is 1<<coefficient */ + u_int8_t max_npages; /* Max number of pages worst case */ + u_int8_t zlib_flags; /* Zlib Compresson Level */ + void *user_data; /* Persistent information for compression functions */ +}; + +/* + * Flags understood by both CDB_db_create and CDB_db_env_create. + */ +#define DB_CXX_NO_EXCEPTIONS 0x000001 /* C++: return error values. */ + +/* + * Flags understood by only CDB_db_create. + */ +#define DB_XA_CREATE 0x000002 /* Open in an XA environment. */ + +/* + * Flags understood by both DBENV->open and DB->open. + */ +#define DB_CREATE 0x000001 /* Create file as necessary. */ +#define DB_NOMMAP 0x000002 /* Don't mmap underlying file. */ +#define DB_THREAD 0x000004 /* Applications are threaded. */ + +/* + * Flags understood by both DBENV->open and DBENV->remove. + */ +#define DB_FORCE 0x000008 /* Force (anything). */ +#define DB_INIT_CDB 0x000010 /* Concurrent Access Methods. */ +#define DB_INIT_LOCK 0x000020 /* Initialize locking. */ +#define DB_INIT_LOG 0x000040 /* Initialize logging. */ +#define DB_INIT_MPOOL 0x000080 /* Initialize mpool. */ +#define DB_INIT_TXN 0x000100 /* Initialize transactions. */ +#define DB_RECOVER 0x000200 /* Run normal recovery. */ +#define DB_RECOVER_FATAL 0x000400 /* Run catastrophic recovery. */ +#define DB_SYSTEM_MEM 0x000800 /* Use system-backed memory. */ +#define DB_TXN_NOSYNC 0x001000 /* Do not sync log on commit. */ +#define DB_USE_ENVIRON 0x002000 /* Use the environment. */ +#define DB_USE_ENVIRON_ROOT 0x004000 /* Use the environment if root. */ + +/* + * Flags understood by only DBENV->open. + */ +#define DB_LOCKDOWN 0x008000 /* Lock memory into physical core. */ +#define DB_PRIVATE 0x010000 /* DB_ENV is process local. */ + +/* + * Flags understood by DBENV->CDB_txn_begin. + */ +/* DB_TXN_NOSYNC 0x001000 Do not sync log on commit. */ +#define DB_TXN_SYNC 0x000001 /* Always sync log on commit. */ +#define DB_TXN_NOWAIT 0x000002 /* Do not wait for locks in this TXN. */ + +/* + * Flags understood by only DB->open. + */ +#define DB_EXCL 0x000008 /* Exclusive open (O_EXCL). */ +#define DB_RDONLY 0x000010 /* Read-only (O_RDONLY). */ +#define DB_TRUNCATE 0x000020 /* Discard existing DB (O_TRUNC). */ +#define DB_FCNTL_LOCKING 0x000040 /* Undocumented: fcntl(2) locking. */ +#define DB_COMPRESS 0x000080 /* Transparent I/O compression */ + +/* + * Flags understood by only DB->set_feedback's callback. + */ +/* DB_RECOVER 0x000200 Running recovery. */ +#define DB_UPGRADE 0x000001 /* Upgrading. */ + +/* + * Deadlock detector modes; used in the DBENV structure to configure the + * locking subsystem. + */ +#define DB_LOCK_NORUN 0 +#define DB_LOCK_DEFAULT 1 /* Default policy. */ +#define DB_LOCK_OLDEST 2 /* Abort oldest transaction. */ +#define DB_LOCK_RANDOM 3 /* Abort random transaction. */ +#define DB_LOCK_YOUNGEST 4 /* Abort youngest transaction. */ + +/* + * Flags understood by only DB->set_flags. + */ +#define DB_DUP 0x0001 /* Btree, Hash: duplicate keys. */ +#define DB_DUPSORT 0x0002 /* Btree, Hash: duplicate keys. */ +#define DB_RECNUM 0x0004 /* Btree: record numbers. */ +#define DB_RENUMBER 0x0008 /* Recno: renumber on insert/delete. */ +#define DB_REVSPLITOFF 0x0010 /* Btree: turn off reverse splits. */ +#define DB_SNAPSHOT 0x0020 /* Recno: snapshot the input. */ + +struct __db_env { + /******************************************************* + * Public: owned by the application. + *******************************************************/ + FILE *db_errfile; /* Error message file stream. */ + const char *db_errpfx; /* Error message prefix. */ + /* Callbacks. */ + void (*db_errcall) __P((const char *, char *)); + void (*db_feedback) __P((DB_ENV *, int, int)); + void (*db_paniccall) __P((DB_ENV *, int)); + int (*db_recovery_init) __P((DB_ENV *)); + + /* + * Currently, the verbose list is a bit field with room for 32 + * entries. There's no reason that it needs to be limited, if + * there are ever more than 32 entries, convert to a bit array. + */ +#define DB_VERB_CHKPOINT 0x0001 /* List checkpoints. */ +#define DB_VERB_DEADLOCK 0x0002 /* Deadlock detection information. */ +#define DB_VERB_RECOVERY 0x0004 /* Recovery information. */ +#define DB_VERB_WAITSFOR 0x0008 /* Dump waits-for table. */ + u_int32_t verbose; /* Verbose output. */ + + /* Locking. */ + u_int8_t *lk_conflicts; /* Two dimensional conflict matrix. */ + 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. */ + u_int32_t lg_bsize; /* Buffer size. */ + u_int32_t lg_max; /* Maximum file size. */ + + /* Memory pool. */ + u_int32_t mp_gbytes; /* Cachesize: GB. */ + u_int32_t mp_bytes; /* Cachesize: Bytes. */ + size_t mp_size; /* DEPRECATED: Cachesize: bytes. */ + int mp_ncache; /* Number of cache regions. */ + size_t mp_mmapsize; /* Maximum file size for mmap. */ + DB_CMPR_INFO * mp_cmpr_info; /* Compression info. */ + + /* Transactions. */ + u_int32_t tx_max; /* Maximum number of transactions. */ + int (*tx_recover) /* Dispatch function for recovery. */ + __P((DB_ENV *, DBT *, DB_LSN *, int, void *)); + + /******************************************************* + * Private: owned by DB. + *******************************************************/ + int db_panic; /* Panic causing errno. */ + + /* User files, paths. */ + char *db_home; /* Database home. */ + char *db_log_dir; /* Database log file directory. */ + char *db_tmp_dir; /* Database tmp file directory. */ + + char **db_data_dir; /* Database data file directories. */ + int data_cnt; /* Database data file slots. */ + int data_next; /* Next Database data file slot. */ + + int db_mode; /* Default open permissions. */ + + void *reginfo; /* REGINFO structure reference. */ + DB_FH *lockfhp; /* Fcntl(2) locking file handle. */ + + void *lg_handle; /* Log handle. */ + + void *lk_handle; /* Lock handle. */ + + void *mp_handle; /* Mpool handle. */ + + void *tx_handle; /* Txn handle. */ + + int (**dtab) /* Dispatch table */ + __P((DB_ENV *, DBT *, DB_LSN *, int, void *)); + size_t dtab_size; /* Slots in the dispatch table. */ + + /* + * XA support. + * + * !!! + * Explicit representations of structures in queue.h. + * + * TAILQ_ENTRY(__db_env); + */ + struct { + struct __db_env *tqe_next; + struct __db_env **tqe_prev; + } links; + int xa_rmid; /* XA Resource Manager ID. */ + DB_TXN *xa_txn; /* XA Current transaction. */ + + void *cj_internal; /* C++/Java private. */ + + /* Methods. */ + int (*close) __P((DB_ENV *, u_int32_t)); + void (*err) __P((const DB_ENV *, int, const char *, ...)); + void (*errx) __P((const DB_ENV *, const char *, ...)); + int (*open) __P((DB_ENV *, + const char *, char * const *, u_int32_t, int)); + int (*remove) __P((DB_ENV *, const char *, char * const *, u_int32_t)); + void (*set_errcall) __P((DB_ENV *, void (*)(const char *, char *))); + void (*set_errfile) __P((DB_ENV *, FILE *)); + void (*set_errpfx) __P((DB_ENV *, const char *)); + void (*set_feedback) __P((DB_ENV *, void (*)(DB_ENV *, int, int))); + int (*set_recovery_init) __P((DB_ENV *, int (*)(DB_ENV *))); + int (*set_mutexlocks) __P((DB_ENV *, int)); + int (*set_pageyield) __P((DB_ENV *, int)); + int (*set_panic) __P((DB_ENV *, int)); + void (*set_paniccall) __P((DB_ENV *, void (*)(DB_ENV *, int))); + int (*set_region_init) __P((DB_ENV *, int)); + int (*set_tas_spins) __P((DB_ENV *, u_int32_t)); + int (*set_verbose) __P((DB_ENV *, u_int32_t, int)); + + int (*set_lg_bsize) __P((DB_ENV *, u_int32_t)); + int (*set_lg_max) __P((DB_ENV *, u_int32_t)); + + int (*set_lk_conflicts) __P((DB_ENV *, u_int8_t *, int)); + int (*set_lk_detect) __P((DB_ENV *, u_int32_t)); + int (*set_lk_max) __P((DB_ENV *, u_int32_t)); + + int (*set_mp_mmapsize) __P((DB_ENV *, size_t)); + int (*set_cachesize) __P((DB_ENV *, u_int32_t, u_int32_t, int)); + + int (*set_tx_max) __P((DB_ENV *, u_int32_t)); + int (*set_tx_recover) __P((DB_ENV *, + int (*)(DB_ENV *, DBT *, DB_LSN *, int, void *))); + + int (*set_func_close) __P((DB_ENV *, int (*)(int))); + int (*set_func_dirfree) __P((DB_ENV *, void (*)(char **, int))); + int (*set_func_dirlist) __P((DB_ENV *, + int (*)(const char *, char ***, int *))); + int (*set_func_exists) __P((DB_ENV *, int (*)(const char *, int *))); + int (*set_func_free) __P((DB_ENV *, void (*)(void *))); + int (*set_func_fsync) __P((DB_ENV *, int (*)(int))); + int (*set_func_ioinfo) __P((DB_ENV *, int (*)(const char *, + int, u_int32_t *, u_int32_t *, u_int32_t *))); + int (*set_func_malloc) __P((DB_ENV *, void *(*)(size_t))); + int (*set_func_map) __P((DB_ENV *, + int (*)(char *, size_t, int, int, void **))); + int (*set_func_open) __P((DB_ENV *, int (*)(const char *, int, ...))); + int (*set_func_read) __P((DB_ENV *, ssize_t (*)(int, void *, size_t))); + int (*set_func_realloc) __P((DB_ENV *, void *(*)(void *, size_t))); + int (*set_func_rename) __P((DB_ENV *, + int (*)(const char *, const char *))); + int (*set_func_seek) __P((DB_ENV *, + int (*)(int, size_t, db_pgno_t, u_int32_t, int, int))); + int (*set_func_sleep) __P((DB_ENV *, int (*)(u_long, u_long))); + int (*set_func_unlink) __P((DB_ENV *, int (*)(const char *))); + int (*set_func_unmap) __P((DB_ENV *, int (*)(void *, size_t))); + int (*set_func_write) __P((DB_ENV *, + ssize_t (*)(int, const void *, size_t))); + int (*set_func_yield) __P((DB_ENV *, int (*)(void))); + +#ifdef CONFIG_TEST +#define DB_TEST_PREOPEN 1 /* before CDB___os_open */ +#define DB_TEST_POSTOPEN 2 /* after CDB___os_open */ +#define DB_TEST_POSTLOGMETA 3 /* after logging meta in btree */ +#define DB_TEST_POSTLOG 4 /* after logging all pages */ +#define DB_TEST_POSTSYNC 5 /* after syncing the log */ +#define DB_TEST_PRERENAME 6 /* before CDB___os_rename */ +#define DB_TEST_POSTRENAME 7 /* after CDB___os_rename */ + int test_abort; /* Abort value for testing. */ + int test_copy; /* Copy value for testing. */ +#endif + +#define DB_ENV_CDB 0x00001 /* DB_INIT_CDB. */ +#define DB_ENV_CREATE 0x00002 /* DB_CREATE set. */ +#define DB_ENV_DBLOCAL 0x00004 /* DB_ENV allocated for private DB. */ +#define DB_ENV_LOCKDOWN 0x00008 /* DB_LOCKDOWN set. */ +#define DB_ENV_LOCKING 0x00010 /* Locking initialized. */ +#define DB_ENV_LOGGING 0x00020 /* Logging initialized. */ +#define DB_ENV_NOMMAP 0x00040 /* DB_NOMMAP set. */ +#define DB_ENV_OPEN_CALLED 0x00080 /* DBENV->open called (paths valid). */ +#define DB_ENV_PRIVATE 0x00100 /* DB_PRIVATE set. */ +#define DB_ENV_STANDALONE 0x00200 /* Test: freestanding environment. */ +#define DB_ENV_SYSTEM_MEM 0x00400 /* DB_SYSTEM_MEM set. */ +#define DB_ENV_THREAD 0x00800 /* DB_THREAD set. */ +#define DB_ENV_TXN 0x01000 /* DB_TXN_NOSYNC set. */ +#define DB_ENV_TXN_NOSYNC 0x02000 /* DB_TXN_NOSYNC set. */ +#define DB_ENV_USER_ALLOC 0x04000 /* User allocated the structure. */ + u_int32_t flags; /* Flags. */ +}; + +/******************************************************* + * Access methods. + *******************************************************/ +/* + * !!! + * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. + */ +typedef enum { + DB_BTREE=1, + DB_HASH, + DB_RECNO, + DB_QUEUE, + DB_UNKNOWN /* Figure it out on open. */ +} DBTYPE; + +#define DB_BTREEVERSION 7 /* Current btree version. */ +#define DB_BTREEOLDVER 6 /* Oldest btree version supported. */ +#define DB_BTREEMAGIC 0x053162 + +#define DB_HASHVERSION 6 /* Current hash version. */ +#define DB_HASHOLDVER 4 /* Oldest hash version supported. */ +#define DB_HASHMAGIC 0x061561 + +#define DB_QAMVERSION 1 /* Current queue version. */ +#define DB_QAMOLDVER 1 /* Oldest queue version supported. */ +#define DB_QAMMAGIC 0x042253 + +#define DB_LOGVERSION 2 /* Current log version. */ +#define DB_LOGOLDVER 2 /* Oldest log version supported. */ +#define DB_LOGMAGIC 0x040988 + +/* + * DB access method and cursor operation values. Each value is an operation + * code to which additional bit flags are added. + */ +#define DB_AFTER 1 /* c_put() */ +#define DB_APPEND 2 /* put() */ +#define DB_BEFORE 3 /* c_put() */ +#define DB_CHECKPOINT 4 /* CDB_log_put(), CDB_log_get() */ +#define DB_CONSUME 5 /* c_get() */ +#define DB_CURLSN 6 /* CDB_log_put() */ +#define DB_CURRENT 7 /* c_get(), c_put(), CDB_log_get() */ +#define DB_DUPCURSOR 8 /* cursor() (internal) */ +#define DB_FIRST 9 /* c_get(), CDB_log_get() */ +#define DB_FLUSH 10 /* CDB_log_put() */ +#define DB_GET_BOTH 11 /* get(), c_get() */ +#define DB_GET_RECNO 12 /* c_get() */ +#define DB_JOIN_ITEM 13 /* c_get(); do not do primary lookup */ +#define DB_KEYFIRST 14 /* c_put() */ +#define DB_KEYLAST 15 /* c_put() */ +#define DB_LAST 16 /* c_get(), CDB_log_get() */ +#define DB_NEXT 17 /* c_get(), CDB_log_get() */ +#define DB_NEXT_DUP 18 /* c_get() */ +#define DB_NEXT_NODUP 19 /* c_get() */ +#define DB_NOOVERWRITE 20 /* put() */ +#define DB_NOSYNC 21 /* close() */ +#define DB_POSITION 22 /* c_dup() */ +#define DB_POSITIONI 23 /* c_dup() (internal) */ +#define DB_PREV 24 /* c_get(), CDB_log_get() */ +#define DB_RECORDCOUNT 25 /* stat() */ +#define DB_SET 26 /* c_get(), CDB_log_get() */ +#define DB_SET_RANGE 27 /* c_get() */ +#define DB_SET_RECNO 28 /* get(), c_get() */ +#define DB_WRITECURSOR 29 /* cursor() */ +#define DB_WRITELOCK 30 /* cursor() (internal) */ + +/* This has to change when the max opcode above hits 32. */ +#define DB_OPFLAGS_MASK 0x000000ff /* Mask for operations flags. */ +#define DB_RMW 0x80000000 /* Acquire write flag immediately. */ + +/* + * DB (user visible) error return codes. + * + * !!! + * Changes to any of the user visible error return codes must be reflected + * in java/src/com/sleepycat/db/Db.java. + * + * !!! + * For source compatibility with DB 2.X deadlock return (EAGAIN), use the + * following: + * #include <errno.h> + * #define DB_LOCK_DEADLOCK EAGAIN + * + * !!! + * We don't want our error returns to conflict with other packages where + * possible, so pick a base error value that's hopefully not common. + */ +#define DB_INCOMPLETE (-30999)/* Sync didn't finish. */ +#define DB_KEYEMPTY (-30998)/* Key/data deleted or never created. */ +#define DB_KEYEXIST (-30997)/* The key/data pair already exists. */ +#define DB_LOCK_DEADLOCK (-30996)/* Deadlock. */ +#define DB_LOCK_NOTGRANTED (-30995)/* Lock unavailable. */ +#define DB_NOTFOUND (-30994)/* Key/data pair not found (EOF). */ +#define DB_OLD_VERSION (-30993)/* Out-of-date version. */ +#define DB_RUNRECOVERY (-30992)/* Panic return. */ + +/* DB (private) error return codes. */ +#define DB_DELETED (-30991)/* Recovery file marked deleted. */ +#define DB_NEEDSPLIT (-30990)/* Page needs to be split. */ +#define DB_SWAPBYTES (-30989)/* Database needs byte swapping. */ +#define DB_TXN_CKP (-30988)/* Encountered ckp record in log. */ + +#define DB_FILE_ID_LEN 20 /* DB file ID length. */ + +/* DB access method description structure. */ +struct __db { + /******************************************************* + * Public: owned by the application. + *******************************************************/ + size_t pgsize; /* Database logical page size. */ + + /* Callbacks. */ + void (*db_feedback) __P((DB *, int, int)); + void *(*db_malloc) __P((size_t)); + void *(*db_realloc) __P((void *, size_t)); + int (*dup_compare) __P((const DBT *, const DBT *)); + + /******************************************************* + * Private: owned by DB. + *******************************************************/ + DB_ENV *dbenv; /* Backing environment. */ + + DBTYPE type; /* DB access method type. */ + + DB_MPOOLFILE *mpf; /* Backing buffer pool. */ + + void *mutexp; /* Synchronization for free threading */ + + u_int8_t fileid[DB_FILE_ID_LEN];/* File's unique ID for locking. */ + +#define DB_LOGFILEID_INVALID -1 + int32_t log_fileid; /* File's unique ID for logging. */ + DB_TXN *open_txn; /* Transaction to protect creates. */ + + /* + * !!! + * Some applications use DB but implement their own locking outside of + * DB. If they're using fcntl(2) locking on the underlying database + * file, and we open and close a file descriptor for that file, we will + * discard their locks. The DB_FCNTL_LOCKING flag to DB->open is an + * undocumented interface to support this usage which leaves any file + * descriptors we open until DB->close. This will only work with the + * DB->open interface and simple caches, e.g., creating a transaction + * thread may open/close file descriptors this flag doesn't protect. + * Locking with fcntl(2) on a file that you don't own is a very, very + * unsafe thing to do. 'Nuff said. + */ + DB_FH *saved_open_fhp; /* Saved file handle. */ + + /* + * Cursor queues. + * + * !!! + * Explicit representations of structures in queue.h. + * + * TAILQ_HEAD(free_queue, __dbc); + * TAILQ_HEAD(active_queue, __dbc); + */ + struct { + struct __dbc *tqh_first; + struct __dbc **tqh_last; + } free_queue; + struct { + struct __dbc *tqh_first; + struct __dbc **tqh_last; + } active_queue; + + void *bt_internal; /* Btree/Recno access method private. */ + void *cj_internal; /* C++/Java private. */ + void *h_internal; /* Hash access method private. */ + void *q_internal; /* Queue access method private. */ + void *xa_internal; /* XA private. */ + + /* Methods. */ + int (*close) __P((DB *, u_int32_t)); + int (*cursor) __P((DB *, DB_TXN *, DBC **, u_int32_t)); + int (*del) __P((DB *, DB_TXN *, DBT *, u_int32_t)); + void (*err) __P((DB *, int, const char *, ...)); + void (*errx) __P((DB *, const char *, ...)); + int (*fd) __P((DB *, int *)); + int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); + int (*get_byteswapped) __P((DB *)); + DBTYPE + (*get_type) __P((DB *)); + int (*join) __P((DB *, DBC **, DBC **, u_int32_t)); + int (*open) __P((DB *, + const char *, const char *, DBTYPE, u_int32_t, int)); + int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); + int (*remove) __P((DB *, const char *, const char *, u_int32_t)); + int (*set_cachesize) __P((DB *, u_int32_t, u_int32_t, int)); + int (*set_dup_compare) __P((DB *, int (*)(const DBT *, const DBT *))); + void (*set_errcall) __P((DB *, void (*)(const char *, char *))); + void (*set_errfile) __P((DB *, FILE *)); + void (*set_errpfx) __P((DB *, const char *)); + void (*set_feedback) __P((DB *, void (*)(DB *, int, int))); + int (*set_flags) __P((DB *, u_int32_t)); + int (*set_lorder) __P((DB *, int)); + int (*set_malloc) __P((DB *, void *(*)(size_t))); + int (*set_pagesize) __P((DB *, u_int32_t)); + void (*set_paniccall) __P((DB *, void (*)(DB_ENV *, int))); + int (*set_realloc) __P((DB *, void *(*)(void *, size_t))); + int (*stat) __P((DB *, void *, void *(*)(size_t), u_int32_t)); + int (*sync) __P((DB *, u_int32_t)); + int (*upgrade) __P((DB *, const char *, u_int32_t)); + + int (*set_bt_compare) __P((DB *, int (*)(const DBT *, const DBT *))); + int (*set_bt_maxkey) __P((DB *, u_int32_t)); + int (*set_bt_minkey) __P((DB *, u_int32_t)); + int (*set_bt_prefix) __P((DB *, size_t (*)(const DBT *, const DBT *))); + + int (*set_h_ffactor) __P((DB *, u_int32_t)); + int (*set_h_hash) __P((DB *, u_int32_t (*)(const void *, u_int32_t))); + int (*set_h_nelem) __P((DB *, u_int32_t)); + + int (*set_re_delim) __P((DB *, int)); + int (*set_re_len) __P((DB *, u_int32_t)); + int (*set_re_pad) __P((DB *, int)); + int (*set_re_source) __P((DB *, const char *)); + +#define DB_OK_BTREE 0x01 +#define DB_OK_HASH 0x02 +#define DB_OK_QUEUE 0x04 +#define DB_OK_RECNO 0x08 + u_int32_t am_ok; /* Legal AM choices. */ + +#define DB_AM_DISCARD 0x00001 /* Discard any cached pages. */ +#define DB_AM_DUP 0x00002 /* DB_DUP. */ +#define DB_AM_INMEM 0x00004 /* In-memory; no sync on close. */ +#define DB_AM_PGDEF 0x00008 /* Page size was defaulted. */ +#define DB_AM_RDONLY 0x00010 /* Database is readonly. */ +#define DB_AM_SUBDB 0x00020 /* Subdatabases supported. */ +#define DB_AM_SWAP 0x00040 /* Pages need to be byte-swapped. */ +#define DB_BT_RECNUM 0x00080 /* DB_RECNUM. */ +#define DB_BT_REVSPLIT 0x00100 /* DB_REVSPLITOFF. */ +#define DB_DBM_ERROR 0x00200 /* Error in DBM/NDBM database. */ +#define DB_OPEN_CALLED 0x00400 /* DB->open called. */ +#define DB_RE_DELIMITER 0x00800 /* Variablen length delimiter set. */ +#define DB_RE_FIXEDLEN 0x01000 /* Fixed-length records. */ +#define DB_RE_PAD 0x02000 /* Fixed-length record pad. */ +#define DB_RE_RENUMBER 0x04000 /* DB_RENUMBER. */ +#define DB_RE_SNAPSHOT 0x08000 /* DB_SNAPSHOT. */ +#define DB_AM_CMPR 0x10000 /* Transparent I/O compression */ + u_int32_t flags; +}; + +/* + * DB_LOCK_ILOCK -- + * Internal DB access method lock. + */ +struct __db_ilock { + db_pgno_t pgno; /* Page being locked. */ + u_int8_t fileid[DB_FILE_ID_LEN];/* File id. */ +#define DB_RECORD_LOCK 1 +#define DB_PAGE_LOCK 2 + u_int8_t type; /* Record or Page lock */ +}; + +/* + * DB_LOCK -- + * The structure is allocated by the caller and filled in during a + * CDB_lock_get request (or a CDB_lock_vec/DB_LOCK_GET). + */ +struct __db_lock_u { + size_t off; /* Offset of the lock in the region */ + u_int32_t ndx; /* Index of the object referenced by + * this lock; used for locking. */ + u_int32_t gen; /* Generation number of this lock. */ +}; + +/* Cursor description structure. */ +struct __dbc { + DB *dbp; /* Related DB access method. */ + DB_TXN *txn; /* Associated transaction. */ + + /* + * !!! + * Explicit representations of structures in queue.h. + * + * TAILQ_ENTRY(__dbc) links; Active/free cursor queues. + */ + struct { + struct __dbc *tqe_next; + struct __dbc **tqe_prev; + } links; + + u_int32_t lid; /* Default process' locker id. */ + u_int32_t locker; /* Locker for this operation. */ + DBT lock_dbt; /* DBT referencing lock. */ + DB_LOCK_ILOCK lock; /* Object to be locked. */ + DB_LOCK mylock; /* Lock held on this cursor. */ + + DBT rkey; /* Returned key. */ + DBT rdata; /* Returned data. */ + + int (*c_close) __P((DBC *)); /* Methods: public. */ + int (*c_del) __P((DBC *, u_int32_t)); + int (*c_dup) __P((DBC *, DBC **, u_int32_t)); + int (*c_get) __P((DBC *, DBT *, DBT *, u_int32_t)); + int (*c_put) __P((DBC *, DBT *, DBT *, u_int32_t)); + + int (*c_am_close) __P((DBC *)); /* Methods: private. */ + int (*c_am_destroy) __P((DBC *)); + + void *internal; /* Access method private. */ + +#define DBC_CONTINUE 0x001 /* Continue dup search: next item. */ +#define DBC_RECOVER 0x002 /* In recovery (do not log or lock). */ +#define DBC_RMW 0x004 /* Acquire write flag in read op. */ +#define DBC_WRITECURSOR 0x008 /* Cursor may be used to write (CDB). */ +#define DBC_WRITER 0x010 /* Cursor immediately writing (CDB). */ + u_int32_t flags; +}; + +/* Btree/Recno statistics structure. */ +struct __db_bt_stat { + u_int32_t bt_metaflags; /* Metadata flags. */ + u_int32_t bt_maxkey; /* Maxkey value. */ + u_int32_t bt_minkey; /* Minkey value. */ + u_int32_t bt_re_len; /* Fixed-length record length. */ + u_int32_t bt_re_pad; /* Fixed-length record pad. */ + u_int32_t bt_pagesize; /* Page size. */ + u_int32_t bt_levels; /* Tree levels. */ + u_int32_t bt_nrecs; /* Number of records. */ + u_int32_t bt_int_pg; /* Internal pages. */ + u_int32_t bt_leaf_pg; /* Leaf pages. */ + u_int32_t bt_dup_pg; /* Duplicate pages. */ + u_int32_t bt_over_pg; /* Overflow pages. */ + u_int32_t bt_free; /* Pages on the free list. */ + u_int32_t bt_int_pgfree; /* Bytes free in internal pages. */ + u_int32_t bt_leaf_pgfree; /* Bytes free in leaf pages. */ + u_int32_t bt_dup_pgfree; /* Bytes free in duplicate pages. */ + u_int32_t bt_over_pgfree; /* Bytes free in overflow pages. */ + u_int32_t bt_magic; /* Magic number. */ + u_int32_t bt_version; /* Version number. */ +}; + +/* Queue statistics structure. */ +struct __db_qam_stat { + u_int32_t qs_magic; /* Magic number. */ + u_int32_t qs_version; /* Version number. */ + u_int32_t qs_metaflags; /* Metadata flags. */ + u_int32_t qs_nrecs; /* Number of records. */ + u_int32_t qs_pages; /* Data pages. */ + u_int32_t qs_pagesize; /* Page size. */ + u_int32_t qs_pgfree; /* Bytes free in data pages. */ + u_int32_t qs_re_len; /* Fixed-length record length. */ + u_int32_t qs_re_pad; /* Fixed-length record pad. */ + u_int32_t qs_start; /* Start offset. */ + u_int32_t qs_first_recno; /* First not deleted record. */ + u_int32_t qs_cur_recno; /* Last allocated record number. */ +}; + +/* Hash statistics structure. */ +struct __db_h_stat { + u_int32_t hash_magic; /* Magic number. */ + u_int32_t hash_version; /* Version number. */ + u_int32_t hash_metaflags; /* Metadata flags. */ + u_int32_t hash_pagesize; /* Page size. */ + u_int32_t hash_nelem; /* Original nelem specified. */ + u_int32_t hash_ffactor; /* Fill factor specified at create. */ + u_int32_t hash_nrecs; /* Number of records. */ + u_int32_t hash_buckets; /* Number of hash buckets. */ + u_int32_t hash_free; /* Pages on the free list. */ + u_int32_t hash_bfree; /* Bytes free on bucket pages. */ + u_int32_t hash_bigpages; /* Number of big key/data pages. */ + u_int32_t hash_big_bfree; /* Bytes free on big item pages. */ + u_int32_t hash_overflows; /* Number of overflow pages. */ + u_int32_t hash_ovfl_free; /* Bytes free on ovfl pages. */ + u_int32_t hash_dup; /* Number of dup pages. */ + u_int32_t hash_dup_free; /* Bytes free on duplicate pages. */ +}; + +#if defined(__cplusplus) +extern "C" { +#endif +int CDB_db_create __P((DB **, DB_ENV *, u_int32_t)); +int CDB_db_env_create __P((DB_ENV **, u_int32_t)); +char *CDB_db_strerror __P((int)); +char *CDB_db_version __P((int *, int *, int *)); + +#if defined(__cplusplus) +} +#endif + +/******************************************************* + * Locking + *******************************************************/ +#define DB_LOCKVERSION 1 + +/* Flag values for CDB_lock_vec(), CDB_lock_get(). */ +#define DB_LOCK_NOWAIT 0x01 /* Don't wait on unavailable lock. */ +#define DB_LOCK_RECORD 0x02 /* Internal: record lock. */ +#define DB_LOCK_UPGRADE 0x04 /* Internal: upgrade existing lock. */ + +/* Flag values for CDB_lock_detect(). */ +#define DB_LOCK_CONFLICT 0x01 /* Run on any conflict. */ + +/* + * Request types. + * + * !!! + * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. + */ +typedef enum { + DB_LOCK_DUMP=0, /* Display held locks. */ + DB_LOCK_GET, /* Get the lock. */ + DB_LOCK_INHERIT, /* Pass locks to parent. */ + DB_LOCK_PUT, /* Release the lock. */ + DB_LOCK_PUT_ALL, /* Release locker's locks. */ + DB_LOCK_PUT_OBJ /* Release locker's locks on obj. */ +} db_lockop_t; + +/* + * Simple R/W lock modes and for multi-granularity intention locking. + * + * !!! + * These values are NOT random, as they are used as an index into the lock + * conflicts arrays, i.e., DB_LOCK_IWRITE must be == 3, and DB_LOCK_IREAD + * must be == 4. + * + * !!! + * Changes here must be reflected in java/src/com/sleepycat/db/Db.java. + */ +typedef enum { + DB_LOCK_NG=0, /* Not granted. */ + DB_LOCK_READ, /* Shared/read. */ + DB_LOCK_WRITE, /* Exclusive/write. */ + DB_LOCK_IWRITE, /* Intent exclusive/write. */ + DB_LOCK_IREAD, /* Intent to share/read. */ + 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. */ + db_lockmode_t mode; /* Requested mode. */ + u_int32_t locker; /* Locker identity. */ + DBT *obj; /* Object being locked. */ + DB_LOCK lock; /* Lock returned. */ +}; + +/* + * Commonly used conflict matrices. + * + * Standard Read/Write (or exclusive/shared) locks. + */ +#define DB_LOCK_RW_N 3 +extern const u_int8_t CDB_db_rw_conflicts[]; + +/* Multi-granularity locking. */ +#define DB_LOCK_RIW_N 6 +extern const u_int8_t CDB_db_riw_conflicts[]; + +struct __db_lock_stat { + u_int32_t st_lastid; /* Last allocated locker ID. */ + u_int32_t st_maxlocks; /* Maximum number of locks in table. */ + u_int32_t st_nmodes; /* Number of lock modes. */ + u_int32_t st_nlockers; /* Number of lockers. */ + u_int32_t st_maxnlockers; /* Maximum 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_regsize; /* Region size. */ +}; + +#if defined(__cplusplus) +extern "C" { +#endif +int CDB_lock_detect __P((DB_ENV *, u_int32_t, u_int32_t, int *)); +int CDB_lock_get __P((DB_ENV *, + u_int32_t, u_int32_t, const DBT *, db_lockmode_t, DB_LOCK *)); +int CDB_lock_id __P((DB_ENV *, u_int32_t *)); +int CDB_lock_put __P((DB_ENV *, DB_LOCK *)); +int CDB_lock_stat __P((DB_ENV *, DB_LOCK_STAT **, void *(*)(size_t))); +int CDB_lock_vec __P((DB_ENV *, + u_int32_t, u_int32_t, DB_LOCKREQ *, int, DB_LOCKREQ **)); +#if defined(__cplusplus) +} +#endif + +/******************************************************* + * Logging. + *******************************************************/ +/* Flag values for CDB_log_archive(). */ +#define DB_ARCH_ABS 0x001 /* Absolute pathnames. */ +#define DB_ARCH_DATA 0x002 /* Data files. */ +#define DB_ARCH_LOG 0x004 /* Log files. */ + +/* + * A DB_LSN has two parts, a fileid which identifies a specific file, and an + * offset within that file. The fileid is an unsigned 4-byte quantity that + * uniquely identifies a file within the log directory -- currently a simple + * counter inside the log. The offset is also an unsigned 4-byte value. The + * log manager guarantees the offset is never more than 4 bytes by switching + * to a new log file before the maximum length imposed by an unsigned 4-byte + * offset is reached. + */ +struct __db_lsn { + u_int32_t file; /* File ID. */ + 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_bsize; /* Log buffer size. */ + 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 writes to the log. */ + u_int32_t st_wcount_fill; /* Overflow writes to the log. */ + u_int32_t st_scount; /* Total syncs 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. */ + u_int32_t st_cur_file; /* Current log file number. */ + u_int32_t st_cur_offset; /* Current log file offset. */ + u_int32_t st_regsize; /* Region size. */ +}; + +#if defined(__cplusplus) +extern "C" { +#endif +int CDB_log_archive __P((DB_ENV *, char **[], u_int32_t, void *(*)(size_t))); +int CDB_log_compare __P((const DB_LSN *, const DB_LSN *)); +int CDB_log_file __P((DB_ENV *, const DB_LSN *, char *, size_t)); +int CDB_log_flush __P((DB_ENV *, const DB_LSN *)); +int CDB_log_get __P((DB_ENV *, DB_LSN *, DBT *, u_int32_t)); +int CDB_log_put __P((DB_ENV *, DB_LSN *, const DBT *, u_int32_t)); +int CDB_log_register __P((DB_ENV *, DB *, const char *, int32_t *)); +int CDB_log_stat __P((DB_ENV *, DB_LOG_STAT **, void *(*)(size_t))); +int CDB_log_unregister __P((DB_ENV *, int32_t)); +#if defined(__cplusplus) +} +#endif + +/******************************************************* + * Mpool + *******************************************************/ +/* Flag values for CDB_memp_fget(). */ +#define DB_MPOOL_CREATE 0x001 /* Create a page. */ +#define DB_MPOOL_LAST 0x002 /* Return the last page. */ +#define DB_MPOOL_NEW 0x004 /* Create a new page. */ +#define DB_MPOOL_NEW_GROUP 0x008 /* Create a group of pages. */ + +/* Flag values for CDB_memp_fput(), CDB_memp_fset(). */ +#define DB_MPOOL_CLEAN 0x001 /* Page is not modified. */ +#define DB_MPOOL_DIRTY 0x002 /* Page is modified. */ +#define DB_MPOOL_DISCARD 0x004 /* Don't cache the page. */ + +/* Mpool statistics structure. */ +struct __db_mpool_stat { + 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 CDB_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_regsize; /* Region size. */ + u_int32_t st_gbytes; /* Cache size: GB. */ + u_int32_t st_bytes; /* Cache size: B. */ +}; + +/* 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. */ +struct __db_mpool_fstat { + char *file_name; /* File name. */ + size_t st_pagesize; /* Page size. */ + 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) +extern "C" { +#endif + +#if defined(__cplusplus) +} +#endif + + +#if defined(__cplusplus) +extern "C" { +#endif +int CDB_memp_fclose __P((DB_MPOOLFILE *)); +int CDB_memp_fget __P((DB_MPOOLFILE *, db_pgno_t *, u_int32_t, void *)); +int CDB_memp_fopen __P((DB_ENV *, const char *, + u_int32_t, int, size_t, DB_MPOOL_FINFO *, DB_MPOOLFILE **)); +int CDB_memp_fput __P((DB_MPOOLFILE *, void *, u_int32_t)); +int CDB_memp_fset __P((DB_MPOOLFILE *, void *, u_int32_t)); +int CDB_memp_fsync __P((DB_MPOOLFILE *)); +int CDB_memp_register __P((DB_ENV *, int, + int (*)(db_pgno_t, void *, DBT *), + int (*)(db_pgno_t, void *, DBT *))); +int CDB_memp_stat __P((DB_ENV *, + DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, void *(*)(size_t))); +int CDB_memp_sync __P((DB_ENV *, DB_LSN *)); +int CDB_memp_trickle __P((DB_ENV *, int, int *)); +#if defined(__cplusplus) +} +#endif + +/******************************************************* + * Transactions. + *******************************************************/ +#define DB_TXNVERSION 1 + +/* Operations values to the tx_recover() function. */ +#define DB_TXN_BACKWARD_ROLL 1 /* Read the log backwards. */ +#define DB_TXN_FORWARD_ROLL 2 /* Read the log forwards. */ +#define DB_TXN_OPENFILES 3 /* Read for open files. */ +#define DB_TXN_REDO 4 /* Redo the operation. */ +#define DB_TXN_UNDO 5 /* Undo the operation. */ + +/* Internal transaction status values. */ + +/* Transaction statistics structure. */ +struct __db_txn_active { + u_int32_t txnid; /* Transaction ID */ + u_int32_t parentid; /* Transaction ID of parent */ + DB_LSN lsn; /* Lsn of the begin record */ +}; + +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 txns possible */ + 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 */ + u_int32_t st_maxnactive; /* maximum 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_regsize; /* Region size. */ +}; + +#if defined(__cplusplus) +extern "C" { +#endif +int CDB_txn_abort __P((DB_TXN *)); +int CDB_txn_begin __P((DB_ENV *, DB_TXN *, DB_TXN **, u_int32_t)); +int CDB_txn_checkpoint __P((DB_ENV *, u_int32_t, u_int32_t)); +int CDB_txn_commit __P((DB_TXN *, u_int32_t)); +u_int32_t CDB_txn_id __P((DB_TXN *)); +int CDB_txn_prepare __P((DB_TXN *)); +int CDB_txn_stat __P((DB_ENV *, DB_TXN_STAT **, void *(*)(size_t))); +#if defined(__cplusplus) +} +#endif + +#ifndef DB_DBM_HSEARCH +#define DB_DBM_HSEARCH 0 /* No historic interfaces by default. */ +#endif +#if DB_DBM_HSEARCH != 0 +/******************************************************* + * Dbm/Ndbm historic interfaces. + *******************************************************/ +#define DBM_INSERT 0 /* Flags to dbm_store(). */ +#define DBM_REPLACE 1 + +/* + * The DB support for ndbm(3) always appends this suffix to the + * file name to avoid overwriting the user's original database. + */ +#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 + * application's name space. + * + * The global variables dbrdonly, dirf and pagf were not retained when 4BSD + * replaced the dbm interface with ndbm, and are not supported here. + */ +#define dbminit(a) __db_dbm_init(a) +#define dbmclose __db_dbm_close +#if !defined(__cplusplus) +#define delete(a) __db_dbm_delete(a) +#endif +#define fetch(a) __db_dbm_fetch(a) +#define firstkey __db_dbm_firstkey +#define nextkey(a) __db_dbm_nextkey(a) +#define store(a, b) __db_dbm_store(a, b) + +/* Prototype the DB calls. */ +#if defined(__cplusplus) +extern "C" { +#endif +int __db_dbm_close __P((void)); +int __db_dbm_dbrdonly __P((void)); +int __db_dbm_delete __P((datum)); +int __db_dbm_dirf __P((void)); +datum __db_dbm_fetch __P((datum)); +datum __db_dbm_firstkey __P((void)); +int __db_dbm_init __P((char *)); +datum __db_dbm_nextkey __P((datum)); +int __db_dbm_pagf __P((void)); +int __db_dbm_store __P((datum, datum)); +#if defined(__cplusplus) +} +#endif + +/* + * Translate NDBM calls into DB calls so that DB doesn't step on the + * application's name space. + */ +#define dbm_clearerr(a) __db_ndbm_clearerr(a) +#define dbm_close(a) __db_ndbm_close(a) +#define dbm_delete(a, b) __db_ndbm_delete(a, b) +#define dbm_dirfno(a) __db_ndbm_dirfno(a) +#define dbm_error(a) __db_ndbm_error(a) +#define dbm_fetch(a, b) __db_ndbm_fetch(a, b) +#define dbm_firstkey(a) __db_ndbm_firstkey(a) +#define dbm_nextkey(a) __db_ndbm_nextkey(a) +#define dbm_open(a, b, c) __db_ndbm_open(a, b, c) +#define dbm_pagfno(a) __db_ndbm_pagfno(a) +#define dbm_rdonly(a) __db_ndbm_rdonly(a) +#define dbm_store(a, b, c, d) __db_ndbm_store(a, b, c, d) + +/* Prototype the DB calls. */ +#if defined(__cplusplus) +extern "C" { +#endif +int __db_ndbm_clearerr __P((DBM *)); +void __db_ndbm_close __P((DBM *)); +int __db_ndbm_delete __P((DBM *, datum)); +int __db_ndbm_dirfno __P((DBM *)); +int __db_ndbm_error __P((DBM *)); +datum __db_ndbm_fetch __P((DBM *, datum)); +datum __db_ndbm_firstkey __P((DBM *)); +datum __db_ndbm_nextkey __P((DBM *)); +DBM *__db_ndbm_open __P((const char *, int, int)); +int __db_ndbm_pagfno __P((DBM *)); +int __db_ndbm_rdonly __P((DBM *)); +int __db_ndbm_store __P((DBM *, datum, datum, int)); +#if defined(__cplusplus) +} +#endif + +/******************************************************* + * Hsearch historic interface. + *******************************************************/ +typedef enum { + FIND, ENTER +} ACTION; + +typedef struct entry { + char *key; + char *data; +} ENTRY; + +/* + * Translate HSEARCH calls into DB calls so that DB doesn't step on the + * application's name space. + */ +#define hcreate(a) __db_hcreate(a) +#define hdestroy __db_hdestroy +#define hsearch(a, b) __db_hsearch(a, b) + +/* Prototype the DB calls. */ +#if defined(__cplusplus) +extern "C" { +#endif +int __db_hcreate __P((size_t)); +void __db_hdestroy __P((void)); +ENTRY *__db_hsearch __P((ENTRY, ACTION)); +#if defined(__cplusplus) +} +#endif +#endif /* DB_DBM_HSEARCH */ + +/* + * XXX + * MacOS: Reset Metrowerks C enum sizes. + */ +#ifdef __MWERKS__ +#pragma enumsalwaysint reset +#endif +#endif /* !_DB_H_ */ |