1/* DO NOT EDIT: automatically built by dist/s_windows. */ 2/* 3 * See the file LICENSE for redistribution information. 4 * 5 * Copyright (c) 1996,2008 Oracle. All rights reserved. 6 * 7 * $Id: db.in,v 12.193 2008/05/07 12:33:12 bschmeck Exp $ 8 * 9 * db.h include file layout: 10 * General. 11 * Database Environment. 12 * Locking subsystem. 13 * Logging subsystem. 14 * Shared buffer cache (mpool) subsystem. 15 * Transaction subsystem. 16 * Access methods. 17 * Access method cursors. 18 * Dbm/Ndbm, Hsearch historic interfaces. 19 */ 20 21#ifndef _DB_H_ 22#define _DB_H_ 23 24#ifndef __NO_SYSTEM_INCLUDES 25#include <sys/types.h> 26#include <stddef.h> 27#include <stdio.h> 28#endif 29 30/* 31 * Turn off inappropriate compiler warnings 32 */ 33#ifdef _MSC_VER 34/* 35 * This warning is explicitly disabled in Visual C++ by default. 36 * It is necessary to explicitly enable the /Wall flag to generate this 37 * warning. 38 * Since this is a shared include file it should compile without warnings 39 * at the highest warning level, so third party applications can use 40 * higher warning levels cleanly. 41 * 42 * 4820: 'bytes' bytes padding added after member 'member' 43 * The type and order of elements caused the compiler to 44 * add padding to the end of a struct. 45 */ 46#pragma warning(push) 47#pragma warning(disable: 4820) 48#endif /* _MSC_VER */ 49#if defined(__cplusplus) 50extern "C" { 51#endif 52 53 54#undef __P 55#define __P(protos) protos 56 57/* 58 * Berkeley DB version information. 59 */ 60#define DB_VERSION_MAJOR 4 61#define DB_VERSION_MINOR 7 62#define DB_VERSION_PATCH 25 63#define DB_VERSION_STRING "Berkeley DB 4.7.25: (May 15, 2008)" 64 65/* 66 * !!! 67 * Berkeley DB uses specifically sized types. If they're not provided by 68 * the system, typedef them here. 69 * 70 * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__, 71 * as does BIND and Kerberos, since we don't know for sure what #include 72 * files the user is using. 73 * 74 * !!! 75 * We also provide the standard u_int, u_long etc., if they're not provided 76 * by the system. 77 */ 78#ifndef __BIT_TYPES_DEFINED__ 79#define __BIT_TYPES_DEFINED__ 80typedef unsigned char u_int8_t; 81typedef short int16_t; 82typedef unsigned short u_int16_t; 83typedef int int32_t; 84typedef unsigned int u_int32_t; 85typedef __int64 int64_t; 86typedef unsigned __int64 u_int64_t; 87#endif 88 89#ifndef _WINSOCKAPI_ 90typedef unsigned char u_char; 91typedef unsigned int u_int; 92typedef unsigned long u_long; 93#endif 94typedef unsigned short u_short; 95 96/* 97 * Missing ANSI types. 98 * 99 * uintmax_t -- 100 * Largest unsigned type, used to align structures in memory. We don't store 101 * floating point types in structures, so integral types should be sufficient 102 * (and we don't have to worry about systems that store floats in other than 103 * power-of-2 numbers of bytes). Additionally this fixes compilers that rewrite 104 * structure assignments and ANSI C memcpy calls to be in-line instructions 105 * that happen to require alignment. 106 * 107 * uintptr_t -- 108 * Unsigned type that's the same size as a pointer. There are places where 109 * DB modifies pointers by discarding the bottom bits to guarantee alignment. 110 * We can't use uintmax_t, it may be larger than the pointer, and compilers 111 * get upset about that. So far we haven't run on any machine where there's 112 * no unsigned type the same size as a pointer -- here's hoping. 113 */ 114typedef u_int64_t uintmax_t; 115#ifdef _WIN64 116typedef u_int64_t uintptr_t; 117#else 118typedef u_int32_t uintptr_t; 119#endif 120 121/* 122 * Windows defines off_t to long (i.e., 32 bits). We need to pass 64-bit 123 * file offsets, so we declare our own. 124 */ 125#define off_t __db_off_t 126typedef int64_t off_t; 127typedef int pid_t; 128#ifdef _WIN64 129typedef int64_t ssize_t; 130#else 131typedef int32_t ssize_t; 132#endif 133 134/* 135 * Sequences are only available on machines with 64-bit integral types. 136 */ 137typedef int64_t db_seq_t; 138 139/* Thread and process identification. */ 140typedef u_int32_t db_threadid_t; 141 142/* Basic types that are exported or quasi-exported. */ 143typedef u_int32_t db_pgno_t; /* Page number type. */ 144typedef u_int16_t db_indx_t; /* Page offset type. */ 145#define DB_MAX_PAGES 0xffffffff /* >= # of pages in a file */ 146 147typedef u_int32_t db_recno_t; /* Record number type. */ 148#define DB_MAX_RECORDS 0xffffffff /* >= # of records in a tree */ 149 150typedef u_int32_t db_timeout_t; /* Type of a timeout. */ 151 152/* 153 * Region offsets are the difference between a pointer in a region and the 154 * region's base address. With private environments, both addresses are the 155 * result of calling malloc, and we can't assume anything about what malloc 156 * will return, so region offsets have to be able to hold differences between 157 * arbitrary pointers. 158 */ 159typedef uintptr_t roff_t; 160 161/* 162 * Forward structure declarations, so we can declare pointers and 163 * applications can get type checking. 164 */ 165struct __db; typedef struct __db DB; 166struct __db_bt_stat; typedef struct __db_bt_stat DB_BTREE_STAT; 167struct __db_cipher; typedef struct __db_cipher DB_CIPHER; 168struct __db_compact; typedef struct __db_compact DB_COMPACT; 169struct __db_dbt; typedef struct __db_dbt DBT; 170struct __db_distab; typedef struct __db_distab DB_DISTAB; 171struct __db_env; typedef struct __db_env DB_ENV; 172struct __db_h_stat; typedef struct __db_h_stat DB_HASH_STAT; 173struct __db_ilock; typedef struct __db_ilock DB_LOCK_ILOCK; 174struct __db_lock_hstat; typedef struct __db_lock_hstat DB_LOCK_HSTAT; 175struct __db_lock_pstat; typedef struct __db_lock_pstat DB_LOCK_PSTAT; 176struct __db_lock_stat; typedef struct __db_lock_stat DB_LOCK_STAT; 177struct __db_lock_u; typedef struct __db_lock_u DB_LOCK; 178struct __db_locker; typedef struct __db_locker DB_LOCKER; 179struct __db_lockreq; typedef struct __db_lockreq DB_LOCKREQ; 180struct __db_locktab; typedef struct __db_locktab DB_LOCKTAB; 181struct __db_log; typedef struct __db_log DB_LOG; 182struct __db_log_cursor; typedef struct __db_log_cursor DB_LOGC; 183struct __db_log_stat; typedef struct __db_log_stat DB_LOG_STAT; 184struct __db_lsn; typedef struct __db_lsn DB_LSN; 185struct __db_mpool; typedef struct __db_mpool DB_MPOOL; 186struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT; 187struct __db_mpool_stat; typedef struct __db_mpool_stat DB_MPOOL_STAT; 188struct __db_mpoolfile; typedef struct __db_mpoolfile DB_MPOOLFILE; 189struct __db_mutex_stat; typedef struct __db_mutex_stat DB_MUTEX_STAT; 190struct __db_mutex_t; typedef struct __db_mutex_t DB_MUTEX; 191struct __db_mutexmgr; typedef struct __db_mutexmgr DB_MUTEXMGR; 192struct __db_preplist; typedef struct __db_preplist DB_PREPLIST; 193struct __db_qam_stat; typedef struct __db_qam_stat DB_QUEUE_STAT; 194struct __db_rep; typedef struct __db_rep DB_REP; 195struct __db_rep_stat; typedef struct __db_rep_stat DB_REP_STAT; 196struct __db_repmgr_site;typedef struct __db_repmgr_site DB_REPMGR_SITE; 197struct __db_repmgr_stat;typedef struct __db_repmgr_stat DB_REPMGR_STAT; 198struct __db_seq_record; typedef struct __db_seq_record DB_SEQ_RECORD; 199struct __db_seq_stat; typedef struct __db_seq_stat DB_SEQUENCE_STAT; 200struct __db_sequence; typedef struct __db_sequence DB_SEQUENCE; 201struct __db_thread_info;typedef struct __db_thread_info DB_THREAD_INFO; 202struct __db_txn; typedef struct __db_txn DB_TXN; 203struct __db_txn_active; typedef struct __db_txn_active DB_TXN_ACTIVE; 204struct __db_txn_stat; typedef struct __db_txn_stat DB_TXN_STAT; 205struct __db_txnmgr; typedef struct __db_txnmgr DB_TXNMGR; 206struct __dbc; typedef struct __dbc DBC; 207struct __dbc_internal; typedef struct __dbc_internal DBC_INTERNAL; 208struct __env; typedef struct __env ENV; 209struct __fh_t; typedef struct __fh_t DB_FH; 210struct __fname; typedef struct __fname FNAME; 211struct __key_range; typedef struct __key_range DB_KEY_RANGE; 212struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE; 213 214/* 215 * The Berkeley DB API flags are automatically-generated -- the following flag names are 216 * no longer used, but remain for compatibility reasons. 217 */ 218#define DB_DEGREE_2 DB_READ_COMMITTED 219#define DB_DIRTY_READ DB_READ_UNCOMMITTED 220#define DB_JOINENV 0x0 221 222/* Key/data structure -- a Data-Base Thang. */ 223struct __db_dbt { 224 void *data; /* Key/data */ 225 u_int32_t size; /* key/data length */ 226 227 u_int32_t ulen; /* RO: length of user buffer. */ 228 u_int32_t dlen; /* RO: get/put record length. */ 229 u_int32_t doff; /* RO: get/put record offset. */ 230 231 void *app_data; 232 233#define DB_DBT_APPMALLOC 0x001 /* Callback allocated memory. */ 234#define DB_DBT_DUPOK 0x002 /* Insert if duplicate. */ 235#define DB_DBT_ISSET 0x004 /* Lower level calls set value. */ 236#define DB_DBT_MALLOC 0x008 /* Return in malloc'd memory. */ 237#define DB_DBT_MULTIPLE 0x010 /* References multiple records. */ 238#define DB_DBT_PARTIAL 0x020 /* Partial put/get. */ 239#define DB_DBT_REALLOC 0x040 /* Return in realloc'd memory. */ 240#define DB_DBT_USERCOPY 0x080 /* Use the user-supplied callback. */ 241#define DB_DBT_USERMEM 0x100 /* Return in user's memory. */ 242 u_int32_t flags; 243}; 244 245/******************************************************* 246 * Mutexes. 247 *******************************************************/ 248typedef u_int32_t db_mutex_t; 249 250struct __db_mutex_stat { 251 /* The following fields are maintained in the region's copy. */ 252 u_int32_t st_mutex_align; /* Mutex alignment */ 253 u_int32_t st_mutex_tas_spins; /* Mutex test-and-set spins */ 254 u_int32_t st_mutex_cnt; /* Mutex count */ 255 u_int32_t st_mutex_free; /* Available mutexes */ 256 u_int32_t st_mutex_inuse; /* Mutexes in use */ 257 u_int32_t st_mutex_inuse_max; /* Maximum mutexes ever in use */ 258 259 /* The following fields are filled-in from other places. */ 260#ifndef __TEST_DB_NO_STATISTICS 261 u_int32_t st_region_wait; /* Region lock granted after wait. */ 262 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 263 roff_t st_regsize; /* Region size. */ 264#endif 265}; 266 267/* This is the length of the buffer passed to DB_ENV->thread_id_string() */ 268#define DB_THREADID_STRLEN 128 269 270/******************************************************* 271 * Locking. 272 *******************************************************/ 273#define DB_LOCKVERSION 1 274 275#define DB_FILE_ID_LEN 20 /* Unique file ID length. */ 276 277/* 278 * Deadlock detector modes; used in the DB_ENV structure to configure the 279 * locking subsystem. 280 */ 281#define DB_LOCK_NORUN 0 282#define DB_LOCK_DEFAULT 1 /* Default policy. */ 283#define DB_LOCK_EXPIRE 2 /* Only expire locks, no detection. */ 284#define DB_LOCK_MAXLOCKS 3 /* Select locker with max locks. */ 285#define DB_LOCK_MAXWRITE 4 /* Select locker with max writelocks. */ 286#define DB_LOCK_MINLOCKS 5 /* Select locker with min locks. */ 287#define DB_LOCK_MINWRITE 6 /* Select locker with min writelocks. */ 288#define DB_LOCK_OLDEST 7 /* Select oldest locker. */ 289#define DB_LOCK_RANDOM 8 /* Select random locker. */ 290#define DB_LOCK_YOUNGEST 9 /* Select youngest locker. */ 291 292/* 293 * Simple R/W lock modes and for multi-granularity intention locking. 294 * 295 * !!! 296 * These values are NOT random, as they are used as an index into the lock 297 * conflicts arrays, i.e., DB_LOCK_IWRITE must be == 3, and DB_LOCK_IREAD 298 * must be == 4. 299 */ 300typedef enum { 301 DB_LOCK_NG=0, /* Not granted. */ 302 DB_LOCK_READ=1, /* Shared/read. */ 303 DB_LOCK_WRITE=2, /* Exclusive/write. */ 304 DB_LOCK_WAIT=3, /* Wait for event */ 305 DB_LOCK_IWRITE=4, /* Intent exclusive/write. */ 306 DB_LOCK_IREAD=5, /* Intent to share/read. */ 307 DB_LOCK_IWR=6, /* Intent to read and write. */ 308 DB_LOCK_READ_UNCOMMITTED=7, /* Degree 1 isolation. */ 309 DB_LOCK_WWRITE=8 /* Was Written. */ 310} db_lockmode_t; 311 312/* 313 * Request types. 314 */ 315typedef enum { 316 DB_LOCK_DUMP=0, /* Display held locks. */ 317 DB_LOCK_GET=1, /* Get the lock. */ 318 DB_LOCK_GET_TIMEOUT=2, /* Get lock with a timeout. */ 319 DB_LOCK_INHERIT=3, /* Pass locks to parent. */ 320 DB_LOCK_PUT=4, /* Release the lock. */ 321 DB_LOCK_PUT_ALL=5, /* Release locker's locks. */ 322 DB_LOCK_PUT_OBJ=6, /* Release locker's locks on obj. */ 323 DB_LOCK_PUT_READ=7, /* Release locker's read locks. */ 324 DB_LOCK_TIMEOUT=8, /* Force a txn to timeout. */ 325 DB_LOCK_TRADE=9, /* Trade locker ids on a lock. */ 326 DB_LOCK_UPGRADE_WRITE=10 /* Upgrade writes for dirty reads. */ 327} db_lockop_t; 328 329/* 330 * Status of a lock. 331 */ 332typedef enum { 333 DB_LSTAT_ABORTED=1, /* Lock belongs to an aborted txn. */ 334 DB_LSTAT_EXPIRED=2, /* Lock has expired. */ 335 DB_LSTAT_FREE=3, /* Lock is unallocated. */ 336 DB_LSTAT_HELD=4, /* Lock is currently held. */ 337 DB_LSTAT_PENDING=5, /* Lock was waiting and has been 338 * promoted; waiting for the owner 339 * to run and upgrade it to held. */ 340 DB_LSTAT_WAITING=6 /* Lock is on the wait queue. */ 341}db_status_t; 342 343/* Lock statistics structure. */ 344struct __db_lock_stat { 345 u_int32_t st_id; /* Last allocated locker ID. */ 346 u_int32_t st_cur_maxid; /* Current maximum unused ID. */ 347 u_int32_t st_maxlocks; /* Maximum number of locks in table. */ 348 u_int32_t st_maxlockers; /* Maximum num of lockers in table. */ 349 u_int32_t st_maxobjects; /* Maximum num of objects in table. */ 350 u_int32_t st_partitions; /* number of partitions. */ 351 int st_nmodes; /* Number of lock modes. */ 352 u_int32_t st_nlockers; /* Current number of lockers. */ 353#ifndef __TEST_DB_NO_STATISTICS 354 u_int32_t st_nlocks; /* Current number of locks. */ 355 u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ 356 u_int32_t st_maxhlocks; /* Maximum number of locks in any bucket. */ 357 u_int32_t st_locksteals; /* Number of lock steals so far. */ 358 u_int32_t st_maxlsteals; /* Maximum number steals in any partition. */ 359 u_int32_t st_maxnlockers; /* Maximum number of lockers so far. */ 360 u_int32_t st_nobjects; /* Current number of objects. */ 361 u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ 362 u_int32_t st_maxhobjects; /* Maximum number of objectsin any bucket. */ 363 u_int32_t st_objectsteals; /* Number of objects steals so far. */ 364 u_int32_t st_maxosteals; /* Maximum number of steals in any partition. */ 365 u_int32_t st_nrequests; /* Number of lock gets. */ 366 u_int32_t st_nreleases; /* Number of lock puts. */ 367 u_int32_t st_nupgrade; /* Number of lock upgrades. */ 368 u_int32_t st_ndowngrade; /* Number of lock downgrades. */ 369 u_int32_t st_lock_wait; /* Lock conflicts w/ subsequent wait */ 370 u_int32_t st_lock_nowait; /* Lock conflicts w/o subsequent wait */ 371 u_int32_t st_ndeadlocks; /* Number of lock deadlocks. */ 372 db_timeout_t st_locktimeout; /* Lock timeout. */ 373 u_int32_t st_nlocktimeouts; /* Number of lock timeouts. */ 374 db_timeout_t st_txntimeout; /* Transaction timeout. */ 375 u_int32_t st_ntxntimeouts; /* Number of transaction timeouts. */ 376 u_int32_t st_part_wait; /* Partition lock granted after wait. */ 377 u_int32_t st_part_nowait; /* Partition lock granted without wait. */ 378 u_int32_t st_part_max_wait; /* Max partition lock granted after wait. */ 379 u_int32_t st_part_max_nowait; /* Max partition lock granted without wait. */ 380 u_int32_t st_objs_wait; /* Object lock granted after wait. */ 381 u_int32_t st_objs_nowait; /* Object lock granted without wait. */ 382 u_int32_t st_lockers_wait; /* Locker lock granted after wait. */ 383 u_int32_t st_lockers_nowait; /* Locker lock granted without wait. */ 384 u_int32_t st_region_wait; /* Region lock granted after wait. */ 385 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 386 u_int32_t st_hash_len; /* Max length of bucket. */ 387 roff_t st_regsize; /* Region size. */ 388#endif 389}; 390 391struct __db_lock_hstat { 392 u_int32_t st_nrequests; /* Number of lock gets. */ 393 u_int32_t st_nreleases; /* Number of lock puts. */ 394 u_int32_t st_nupgrade; /* Number of lock upgrades. */ 395 u_int32_t st_ndowngrade; /* Number of lock downgrades. */ 396 u_int32_t st_nlocks; /* Current number of locks. */ 397 u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ 398 u_int32_t st_nobjects; /* Current number of objects. */ 399 u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ 400 u_int32_t st_lock_wait; /* Lock conflicts w/ subsequent wait */ 401 u_int32_t st_lock_nowait; /* Lock conflicts w/o subsequent wait */ 402 u_int32_t st_nlocktimeouts; /* Number of lock timeouts. */ 403 u_int32_t st_ntxntimeouts; /* Number of transaction timeouts. */ 404 u_int32_t st_hash_len; /* Max length of bucket. */ 405}; 406 407struct __db_lock_pstat { 408 u_int32_t st_nlocks; /* Current number of locks. */ 409 u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ 410 u_int32_t st_nobjects; /* Current number of objects. */ 411 u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ 412 u_int32_t st_locksteals; /* Number of lock steals so far. */ 413 u_int32_t st_objectsteals; /* Number of objects steals so far. */ 414}; 415 416/* 417 * DB_LOCK_ILOCK -- 418 * Internal DB access method lock. 419 */ 420struct __db_ilock { 421 db_pgno_t pgno; /* Page being locked. */ 422 u_int8_t fileid[DB_FILE_ID_LEN];/* File id. */ 423#define DB_HANDLE_LOCK 1 424#define DB_RECORD_LOCK 2 425#define DB_PAGE_LOCK 3 426 u_int32_t type; /* Type of lock. */ 427}; 428 429/* 430 * DB_LOCK -- 431 * The structure is allocated by the caller and filled in during a 432 * lock_get request (or a lock_vec/DB_LOCK_GET). 433 */ 434struct __db_lock_u { 435 roff_t off; /* Offset of the lock in the region */ 436 u_int32_t ndx; /* Index of the object referenced by 437 * this lock; used for locking. */ 438 u_int32_t gen; /* Generation number of this lock. */ 439 db_lockmode_t mode; /* mode of this lock. */ 440}; 441 442/* Lock request structure. */ 443struct __db_lockreq { 444 db_lockop_t op; /* Operation. */ 445 db_lockmode_t mode; /* Requested mode. */ 446 db_timeout_t timeout; /* Time to expire lock. */ 447 DBT *obj; /* Object being locked. */ 448 DB_LOCK lock; /* Lock returned. */ 449}; 450 451/******************************************************* 452 * Logging. 453 *******************************************************/ 454#define DB_LOGVERSION 14 /* Current log version. */ 455#define DB_LOGOLDVER 8 /* Oldest log version supported. */ 456#define DB_LOGMAGIC 0x040988 457 458/* 459 * A DB_LSN has two parts, a fileid which identifies a specific file, and an 460 * offset within that file. The fileid is an unsigned 4-byte quantity that 461 * uniquely identifies a file within the log directory -- currently a simple 462 * counter inside the log. The offset is also an unsigned 4-byte value. The 463 * log manager guarantees the offset is never more than 4 bytes by switching 464 * to a new log file before the maximum length imposed by an unsigned 4-byte 465 * offset is reached. 466 */ 467struct __db_lsn { 468 u_int32_t file; /* File ID. */ 469 u_int32_t offset; /* File offset. */ 470}; 471 472/* 473 * Application-specified log record types start at DB_user_BEGIN, and must not 474 * equal or exceed DB_debug_FLAG. 475 * 476 * DB_debug_FLAG is the high-bit of the u_int32_t that specifies a log record 477 * type. If the flag is set, it's a log record that was logged for debugging 478 * purposes only, even if it reflects a database change -- the change was part 479 * of a non-durable transaction. 480 */ 481#define DB_user_BEGIN 10000 482#define DB_debug_FLAG 0x80000000 483 484/* 485 * DB_LOGC -- 486 * Log cursor. 487 */ 488struct __db_log_cursor { 489 ENV *env; /* Environment */ 490 491 DB_FH *fhp; /* File handle. */ 492 DB_LSN lsn; /* Cursor: LSN */ 493 u_int32_t len; /* Cursor: record length */ 494 u_int32_t prev; /* Cursor: previous record's offset */ 495 496 DBT dbt; /* Return DBT. */ 497 DB_LSN p_lsn; /* Persist LSN. */ 498 u_int32_t p_version; /* Persist version. */ 499 500 u_int8_t *bp; /* Allocated read buffer. */ 501 u_int32_t bp_size; /* Read buffer length in bytes. */ 502 u_int32_t bp_rlen; /* Read buffer valid data length. */ 503 DB_LSN bp_lsn; /* Read buffer first byte LSN. */ 504 505 u_int32_t bp_maxrec; /* Max record length in the log file. */ 506 507 /* DB_LOGC PUBLIC HANDLE LIST BEGIN */ 508 int (*close) __P((DB_LOGC *, u_int32_t)); 509 int (*get) __P((DB_LOGC *, DB_LSN *, DBT *, u_int32_t)); 510 int (*version) __P((DB_LOGC *, u_int32_t *, u_int32_t)); 511 /* DB_LOGC PUBLIC HANDLE LIST END */ 512 513#define DB_LOG_DISK 0x01 /* Log record came from disk. */ 514#define DB_LOG_LOCKED 0x02 /* Log region already locked */ 515#define DB_LOG_SILENT_ERR 0x04 /* Turn-off error messages. */ 516 u_int32_t flags; 517}; 518 519/* Log statistics structure. */ 520struct __db_log_stat { 521 u_int32_t st_magic; /* Log file magic number. */ 522 u_int32_t st_version; /* Log file version number. */ 523 int st_mode; /* Log file permissions mode. */ 524 u_int32_t st_lg_bsize; /* Log buffer size. */ 525 u_int32_t st_lg_size; /* Log file size. */ 526 u_int32_t st_wc_bytes; /* Bytes to log since checkpoint. */ 527 u_int32_t st_wc_mbytes; /* Megabytes to log since checkpoint. */ 528#ifndef __TEST_DB_NO_STATISTICS 529 u_int32_t st_record; /* Records entered into the log. */ 530 u_int32_t st_w_bytes; /* Bytes to log. */ 531 u_int32_t st_w_mbytes; /* Megabytes to log. */ 532 u_int32_t st_wcount; /* Total I/O writes to the log. */ 533 u_int32_t st_wcount_fill; /* Overflow writes to the log. */ 534 u_int32_t st_rcount; /* Total I/O reads from the log. */ 535 u_int32_t st_scount; /* Total syncs to the log. */ 536 u_int32_t st_region_wait; /* Region lock granted after wait. */ 537 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 538 u_int32_t st_cur_file; /* Current log file number. */ 539 u_int32_t st_cur_offset; /* Current log file offset. */ 540 u_int32_t st_disk_file; /* Known on disk log file number. */ 541 u_int32_t st_disk_offset; /* Known on disk log file offset. */ 542 u_int32_t st_maxcommitperflush; /* Max number of commits in a flush. */ 543 u_int32_t st_mincommitperflush; /* Min number of commits in a flush. */ 544 roff_t st_regsize; /* Region size. */ 545#endif 546}; 547 548/* 549 * We need to record the first log record of a transaction. For user 550 * defined logging this macro returns the place to put that information, 551 * if it is need in rlsnp, otherwise it leaves it unchanged. We also 552 * need to track the last record of the transaction, this returns the 553 * place to put that info. 554 */ 555#define DB_SET_TXN_LSNP(txn, blsnp, llsnp) \ 556 ((txn)->set_txn_lsnp(txn, blsnp, llsnp)) 557 558/******************************************************* 559 * Shared buffer cache (mpool). 560 *******************************************************/ 561/* Priority values for DB_MPOOLFILE->{put,set_priority}. */ 562typedef enum { 563 DB_PRIORITY_UNCHANGED=0, 564 DB_PRIORITY_VERY_LOW=1, 565 DB_PRIORITY_LOW=2, 566 DB_PRIORITY_DEFAULT=3, 567 DB_PRIORITY_HIGH=4, 568 DB_PRIORITY_VERY_HIGH=5 569} DB_CACHE_PRIORITY; 570 571/* Per-process DB_MPOOLFILE information. */ 572struct __db_mpoolfile { 573 DB_FH *fhp; /* Underlying file handle. */ 574 575 /* 576 * !!! 577 * The ref, pinref and q fields are protected by the region lock. 578 */ 579 u_int32_t ref; /* Reference count. */ 580 581 u_int32_t pinref; /* Pinned block reference count. */ 582 583 /* 584 * !!! 585 * Explicit representations of structures from queue.h. 586 * TAILQ_ENTRY(__db_mpoolfile) q; 587 */ 588 struct { 589 struct __db_mpoolfile *tqe_next; 590 struct __db_mpoolfile **tqe_prev; 591 } q; /* Linked list of DB_MPOOLFILE's. */ 592 593 /* 594 * !!! 595 * The rest of the fields (with the exception of the MP_FLUSH flag) 596 * are not thread-protected, even when they may be modified at any 597 * time by the application. The reason is the DB_MPOOLFILE handle 598 * is single-threaded from the viewpoint of the application, and so 599 * the only fields needing to be thread-protected are those accessed 600 * by checkpoint or sync threads when using DB_MPOOLFILE structures 601 * to flush buffers from the cache. 602 */ 603 ENV *env; /* Environment */ 604 MPOOLFILE *mfp; /* Underlying MPOOLFILE. */ 605 606 u_int32_t clear_len; /* Cleared length on created pages. */ 607 u_int8_t /* Unique file ID. */ 608 fileid[DB_FILE_ID_LEN]; 609 int ftype; /* File type. */ 610 int32_t lsn_offset; /* LSN offset in page. */ 611 u_int32_t gbytes, bytes; /* Maximum file size. */ 612 DBT *pgcookie; /* Byte-string passed to pgin/pgout. */ 613 int32_t priority; /* Cache priority. */ 614 615 void *addr; /* Address of mmap'd region. */ 616 size_t len; /* Length of mmap'd region. */ 617 618 u_int32_t config_flags; /* Flags to DB_MPOOLFILE->set_flags. */ 619 620 /* DB_MPOOLFILE PUBLIC HANDLE LIST BEGIN */ 621 int (*close) __P((DB_MPOOLFILE *, u_int32_t)); 622 int (*get) 623 __P((DB_MPOOLFILE *, db_pgno_t *, DB_TXN *, u_int32_t, void *)); 624 int (*get_clear_len) __P((DB_MPOOLFILE *, u_int32_t *)); 625 int (*get_fileid) __P((DB_MPOOLFILE *, u_int8_t *)); 626 int (*get_flags) __P((DB_MPOOLFILE *, u_int32_t *)); 627 int (*get_ftype) __P((DB_MPOOLFILE *, int *)); 628 int (*get_last_pgno) __P((DB_MPOOLFILE *, db_pgno_t *)); 629 int (*get_lsn_offset) __P((DB_MPOOLFILE *, int32_t *)); 630 int (*get_maxsize) __P((DB_MPOOLFILE *, u_int32_t *, u_int32_t *)); 631 int (*get_pgcookie) __P((DB_MPOOLFILE *, DBT *)); 632 int (*get_priority) __P((DB_MPOOLFILE *, DB_CACHE_PRIORITY *)); 633 int (*open) __P((DB_MPOOLFILE *, const char *, u_int32_t, int, size_t)); 634 int (*put) __P((DB_MPOOLFILE *, void *, DB_CACHE_PRIORITY, u_int32_t)); 635 int (*set_clear_len) __P((DB_MPOOLFILE *, u_int32_t)); 636 int (*set_fileid) __P((DB_MPOOLFILE *, u_int8_t *)); 637 int (*set_flags) __P((DB_MPOOLFILE *, u_int32_t, int)); 638 int (*set_ftype) __P((DB_MPOOLFILE *, int)); 639 int (*set_lsn_offset) __P((DB_MPOOLFILE *, int32_t)); 640 int (*set_maxsize) __P((DB_MPOOLFILE *, u_int32_t, u_int32_t)); 641 int (*set_pgcookie) __P((DB_MPOOLFILE *, DBT *)); 642 int (*set_priority) __P((DB_MPOOLFILE *, DB_CACHE_PRIORITY)); 643 int (*sync) __P((DB_MPOOLFILE *)); 644 /* DB_MPOOLFILE PUBLIC HANDLE LIST END */ 645 646 /* 647 * MP_FILEID_SET, MP_OPEN_CALLED and MP_READONLY do not need to be 648 * thread protected because they are initialized before the file is 649 * linked onto the per-process lists, and never modified. 650 * 651 * MP_FLUSH is thread protected because it is potentially read/set by 652 * multiple threads of control. 653 */ 654#define MP_FILEID_SET 0x001 /* Application supplied a file ID. */ 655#define MP_FLUSH 0x002 /* Was opened to flush a buffer. */ 656#define MP_MULTIVERSION 0x004 /* Opened for multiversion access. */ 657#define MP_OPEN_CALLED 0x008 /* File opened. */ 658#define MP_READONLY 0x010 /* File is readonly. */ 659#define MP_DUMMY 0x020 /* File is dummy for __memp_fput. */ 660 u_int32_t flags; 661}; 662 663/* Mpool statistics structure. */ 664struct __db_mpool_stat { 665 u_int32_t st_gbytes; /* Total cache size: GB. */ 666 u_int32_t st_bytes; /* Total cache size: B. */ 667 u_int32_t st_ncache; /* Number of cache regions. */ 668 u_int32_t st_max_ncache; /* Maximum number of regions. */ 669 size_t st_mmapsize; /* Maximum file size for mmap. */ 670 int st_maxopenfd; /* Maximum number of open fd's. */ 671 int st_maxwrite; /* Maximum buffers to write. */ 672 db_timeout_t st_maxwrite_sleep; /* Sleep after writing max buffers. */ 673 u_int32_t st_pages; /* Total number of pages. */ 674#ifndef __TEST_DB_NO_STATISTICS 675 u_int32_t st_map; /* Pages from mapped files. */ 676 u_int32_t st_cache_hit; /* Pages found in the cache. */ 677 u_int32_t st_cache_miss; /* Pages not found in the cache. */ 678 u_int32_t st_page_create; /* Pages created in the cache. */ 679 u_int32_t st_page_in; /* Pages read in. */ 680 u_int32_t st_page_out; /* Pages written out. */ 681 u_int32_t st_ro_evict; /* Clean pages forced from the cache. */ 682 u_int32_t st_rw_evict; /* Dirty pages forced from the cache. */ 683 u_int32_t st_page_trickle; /* Pages written by memp_trickle. */ 684 u_int32_t st_page_clean; /* Clean pages. */ 685 u_int32_t st_page_dirty; /* Dirty pages. */ 686 u_int32_t st_hash_buckets; /* Number of hash buckets. */ 687 u_int32_t st_hash_searches; /* Total hash chain searches. */ 688 u_int32_t st_hash_longest; /* Longest hash chain searched. */ 689 u_int32_t st_hash_examined; /* Total hash entries searched. */ 690 u_int32_t st_hash_nowait; /* Hash lock granted with nowait. */ 691 u_int32_t st_hash_wait; /* Hash lock granted after wait. */ 692 u_int32_t st_hash_max_nowait; /* Max hash lock granted with nowait. */ 693 u_int32_t st_hash_max_wait; /* Max hash lock granted after wait. */ 694 u_int32_t st_region_nowait; /* Region lock granted with nowait. */ 695 u_int32_t st_region_wait; /* Region lock granted after wait. */ 696 u_int32_t st_mvcc_frozen; /* Buffers frozen. */ 697 u_int32_t st_mvcc_thawed; /* Buffers thawed. */ 698 u_int32_t st_mvcc_freed; /* Frozen buffers freed. */ 699 u_int32_t st_alloc; /* Number of page allocations. */ 700 u_int32_t st_alloc_buckets; /* Buckets checked during allocation. */ 701 u_int32_t st_alloc_max_buckets; /* Max checked during allocation. */ 702 u_int32_t st_alloc_pages; /* Pages checked during allocation. */ 703 u_int32_t st_alloc_max_pages; /* Max checked during allocation. */ 704 u_int32_t st_io_wait; /* Thread waited on buffer I/O. */ 705 roff_t st_regsize; /* Region size. */ 706#endif 707}; 708 709/* Mpool file statistics structure. */ 710struct __db_mpool_fstat { 711 char *file_name; /* File name. */ 712 u_int32_t st_pagesize; /* Page size. */ 713#ifndef __TEST_DB_NO_STATISTICS 714 u_int32_t st_map; /* Pages from mapped files. */ 715 u_int32_t st_cache_hit; /* Pages found in the cache. */ 716 u_int32_t st_cache_miss; /* Pages not found in the cache. */ 717 u_int32_t st_page_create; /* Pages created in the cache. */ 718 u_int32_t st_page_in; /* Pages read in. */ 719 u_int32_t st_page_out; /* Pages written out. */ 720#endif 721}; 722 723/******************************************************* 724 * Transactions and recovery. 725 *******************************************************/ 726#define DB_TXNVERSION 1 727 728typedef enum { 729 DB_TXN_ABORT=0, /* Public. */ 730 DB_TXN_APPLY=1, /* Public. */ 731 DB_TXN_BACKWARD_ROLL=3, /* Public. */ 732 DB_TXN_FORWARD_ROLL=4, /* Public. */ 733 DB_TXN_OPENFILES=5, /* Internal. */ 734 DB_TXN_POPENFILES=6, /* Internal. */ 735 DB_TXN_PRINT=7 /* Public. */ 736} db_recops; 737 738/* 739 * BACKWARD_ALLOC is used during the forward pass to pick up any aborted 740 * allocations for files that were created during the forward pass. 741 * The main difference between _ALLOC and _ROLL is that the entry for 742 * the file not exist during the rollforward pass. 743 */ 744#define DB_UNDO(op) ((op) == DB_TXN_ABORT || (op) == DB_TXN_BACKWARD_ROLL) 745#define DB_REDO(op) ((op) == DB_TXN_FORWARD_ROLL || (op) == DB_TXN_APPLY) 746 747struct __db_txn { 748 DB_TXNMGR *mgrp; /* Pointer to transaction manager. */ 749 DB_TXN *parent; /* Pointer to transaction's parent. */ 750 DB_THREAD_INFO *thread_info; /* Pointer to thread information. */ 751 752 u_int32_t txnid; /* Unique transaction id. */ 753 char *name; /* Transaction name. */ 754 DB_LOCKER *locker; /* Locker for this txn. */ 755 756 db_threadid_t tid; /* Thread id for use in MT XA. */ 757 void *td; /* Detail structure within region. */ 758 db_timeout_t lock_timeout; /* Timeout for locks for this txn. */ 759 db_timeout_t expire; /* Time transaction expires. */ 760 void *txn_list; /* Undo information for parent. */ 761 762 /* 763 * !!! 764 * Explicit representations of structures from queue.h. 765 * TAILQ_ENTRY(__db_txn) links; 766 * TAILQ_ENTRY(__db_txn) xalinks; 767 */ 768 struct { 769 struct __db_txn *tqe_next; 770 struct __db_txn **tqe_prev; 771 } links; /* Links transactions off manager. */ 772 struct { 773 struct __db_txn *tqe_next; 774 struct __db_txn **tqe_prev; 775 } xalinks; /* Links active XA transactions. */ 776 777 /* 778 * !!! 779 * Explicit representations of structures from queue.h. 780 * TAILQ_HEAD(__kids, __db_txn) kids; 781 */ 782 struct __kids { 783 struct __db_txn *tqh_first; 784 struct __db_txn **tqh_last; 785 } kids; 786 787 /* 788 * !!! 789 * Explicit representations of structures from queue.h. 790 * TAILQ_HEAD(__events, __txn_event) events; 791 */ 792 struct { 793 struct __txn_event *tqh_first; 794 struct __txn_event **tqh_last; 795 } events; /* Links deferred events. */ 796 797 /* 798 * !!! 799 * Explicit representations of structures from queue.h. 800 * STAILQ_HEAD(__logrec, __txn_logrec) logs; 801 */ 802 struct { 803 struct __txn_logrec *stqh_first; 804 struct __txn_logrec **stqh_last; 805 } logs; /* Links in memory log records. */ 806 807 /* 808 * !!! 809 * Explicit representations of structures from queue.h. 810 * TAILQ_ENTRY(__db_txn) klinks; 811 */ 812 struct { 813 struct __db_txn *tqe_next; 814 struct __db_txn **tqe_prev; 815 } klinks; 816 817 void *api_internal; /* C++ API private. */ 818 void *xml_internal; /* XML API private. */ 819 820 u_int32_t cursors; /* Number of cursors open for txn */ 821 822 /* DB_TXN PUBLIC HANDLE LIST BEGIN */ 823 int (*abort) __P((DB_TXN *)); 824 int (*commit) __P((DB_TXN *, u_int32_t)); 825 int (*discard) __P((DB_TXN *, u_int32_t)); 826 int (*get_name) __P((DB_TXN *, const char **)); 827 u_int32_t (*id) __P((DB_TXN *)); 828 int (*prepare) __P((DB_TXN *, u_int8_t *)); 829 int (*set_name) __P((DB_TXN *, const char *)); 830 int (*set_timeout) __P((DB_TXN *, db_timeout_t, u_int32_t)); 831 /* DB_TXN PUBLIC HANDLE LIST END */ 832 833 /* DB_TXN PRIVATE HANDLE LIST BEGIN */ 834 void (*set_txn_lsnp) __P((DB_TXN *txn, DB_LSN **, DB_LSN **)); 835 /* DB_TXN PRIVATE HANDLE LIST END */ 836 837#define TXN_CHILDCOMMIT 0x0001 /* Txn has committed. */ 838#define TXN_CDSGROUP 0x0002 /* CDS group handle. */ 839#define TXN_COMPENSATE 0x0004 /* Compensating transaction. */ 840#define TXN_DEADLOCK 0x0008 /* Txn has deadlocked. */ 841#define TXN_LOCKTIMEOUT 0x0010 /* Txn has a lock timeout. */ 842#define TXN_MALLOC 0x0020 /* Structure allocated by TXN system. */ 843#define TXN_NOSYNC 0x0040 /* Do not sync on prepare and commit. */ 844#define TXN_NOWAIT 0x0080 /* Do not wait on locks. */ 845#define TXN_PRIVATE 0x0100 /* Txn owned by cursor.. */ 846#define TXN_READ_COMMITTED 0x0200 /* Txn has degree 2 isolation. */ 847#define TXN_READ_UNCOMMITTED 0x0400 /* Txn has degree 1 isolation. */ 848#define TXN_RESTORED 0x0800 /* Txn has been restored. */ 849#define TXN_SNAPSHOT 0x1000 /* Snapshot Isolation. */ 850#define TXN_SYNC 0x2000 /* Write and sync on prepare/commit. */ 851#define TXN_WRITE_NOSYNC 0x4000 /* Write only on prepare/commit. */ 852 u_int32_t flags; 853}; 854 855#define TXN_SYNC_FLAGS (TXN_SYNC | TXN_NOSYNC | TXN_WRITE_NOSYNC) 856 857/* 858 * Structure used for two phase commit interface. Berkeley DB support for two 859 * phase commit is compatible with the X/Open XA interface. 860 * 861 * The XA #define XIDDATASIZE defines the size of a global transaction ID. We 862 * have our own version here (for name space reasons) which must have the same 863 * value. 864 */ 865#define DB_XIDDATASIZE 128 866struct __db_preplist { 867 DB_TXN *txn; 868 u_int8_t gid[DB_XIDDATASIZE]; 869}; 870 871/* Transaction statistics structure. */ 872struct __db_txn_active { 873 u_int32_t txnid; /* Transaction ID */ 874 u_int32_t parentid; /* Transaction ID of parent */ 875 pid_t pid; /* Process owning txn ID */ 876 db_threadid_t tid; /* Thread owning txn ID */ 877 878 DB_LSN lsn; /* LSN when transaction began */ 879 880 DB_LSN read_lsn; /* Read LSN for MVCC */ 881 u_int32_t mvcc_ref; /* MVCC reference count */ 882 883#define TXN_ABORTED 1 884#define TXN_COMMITTED 2 885#define TXN_PREPARED 3 886#define TXN_RUNNING 4 887 u_int32_t status; /* Status of the transaction */ 888 889#define TXN_XA_ABORTED 1 890#define TXN_XA_DEADLOCKED 2 891#define TXN_XA_ENDED 3 892#define TXN_XA_PREPARED 4 893#define TXN_XA_STARTED 5 894#define TXN_XA_SUSPENDED 6 895 u_int32_t xa_status; /* XA status */ 896 897 u_int8_t xid[DB_XIDDATASIZE]; /* Global transaction ID */ 898 char name[51]; /* 50 bytes of name, nul termination */ 899}; 900 901struct __db_txn_stat { 902 u_int32_t st_nrestores; /* number of restored transactions 903 after recovery. */ 904#ifndef __TEST_DB_NO_STATISTICS 905 DB_LSN st_last_ckp; /* lsn of the last checkpoint */ 906 time_t st_time_ckp; /* time of last checkpoint */ 907 u_int32_t st_last_txnid; /* last transaction id given out */ 908 u_int32_t st_maxtxns; /* maximum txns possible */ 909 u_int32_t st_naborts; /* number of aborted transactions */ 910 u_int32_t st_nbegins; /* number of begun transactions */ 911 u_int32_t st_ncommits; /* number of committed transactions */ 912 u_int32_t st_nactive; /* number of active transactions */ 913 u_int32_t st_nsnapshot; /* number of snapshot transactions */ 914 u_int32_t st_maxnactive; /* maximum active transactions */ 915 u_int32_t st_maxnsnapshot; /* maximum snapshot transactions */ 916 DB_TXN_ACTIVE *st_txnarray; /* array of active transactions */ 917 u_int32_t st_region_wait; /* Region lock granted after wait. */ 918 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 919 roff_t st_regsize; /* Region size. */ 920#endif 921}; 922 923/******************************************************* 924 * Replication. 925 *******************************************************/ 926/* Special, out-of-band environment IDs. */ 927#define DB_EID_BROADCAST -1 928#define DB_EID_INVALID -2 929 930#define DB_REP_DEFAULT_PRIORITY 100 931 932/* Acknowledgement policies. */ 933#define DB_REPMGR_ACKS_ALL 1 934#define DB_REPMGR_ACKS_ALL_PEERS 2 935#define DB_REPMGR_ACKS_NONE 3 936#define DB_REPMGR_ACKS_ONE 4 937#define DB_REPMGR_ACKS_ONE_PEER 5 938#define DB_REPMGR_ACKS_QUORUM 6 939 940/* Replication timeout configuration values. */ 941#define DB_REP_ACK_TIMEOUT 1 /* RepMgr acknowledgements. */ 942#define DB_REP_CHECKPOINT_DELAY 2 /* Master checkpoint delay. */ 943#define DB_REP_CONNECTION_RETRY 3 /* RepMgr connections. */ 944#define DB_REP_ELECTION_RETRY 4 /* RepMgr elect retries. */ 945#define DB_REP_ELECTION_TIMEOUT 5 /* Rep normal elections. */ 946#define DB_REP_FULL_ELECTION_TIMEOUT 6 /* Rep full elections. */ 947#define DB_REP_HEARTBEAT_MONITOR 7 /* RepMgr client HB monitor. */ 948#define DB_REP_HEARTBEAT_SEND 8 /* RepMgr master send freq. */ 949#define DB_REP_LEASE_TIMEOUT 9 /* Master leases. */ 950 951/* Event notification types. */ 952#define DB_EVENT_NO_SUCH_EVENT 0 /* out-of-band sentinel value */ 953#define DB_EVENT_PANIC 1 954#define DB_EVENT_REP_CLIENT 2 955#define DB_EVENT_REP_ELECTED 3 956#define DB_EVENT_REP_MASTER 4 957#define DB_EVENT_REP_NEWMASTER 5 958#define DB_EVENT_REP_PERM_FAILED 6 959#define DB_EVENT_REP_STARTUPDONE 7 960#define DB_EVENT_WRITE_FAILED 8 961 962/* Replication Manager site status. */ 963struct __db_repmgr_site { 964 int eid; 965 char *host; 966 u_int port; 967 968#define DB_REPMGR_CONNECTED 0x01 969#define DB_REPMGR_DISCONNECTED 0x02 970 u_int32_t status; 971}; 972 973/* Replication statistics. */ 974struct __db_rep_stat { 975 /* !!! 976 * Many replication statistics fields cannot be protected by a mutex 977 * without an unacceptable performance penalty, since most message 978 * processing is done without the need to hold a region-wide lock. 979 * Fields whose comments end with a '+' may be updated without holding 980 * the replication or log mutexes (as appropriate), and thus may be 981 * off somewhat (or, on unreasonable architectures under unlucky 982 * circumstances, garbaged). 983 */ 984 u_int32_t st_log_queued; /* Log records currently queued.+ */ 985 u_int32_t st_startup_complete; /* Site completed client sync-up. */ 986#ifndef __TEST_DB_NO_STATISTICS 987 u_int32_t st_status; /* Current replication status. */ 988 DB_LSN st_next_lsn; /* Next LSN to use or expect. */ 989 DB_LSN st_waiting_lsn; /* LSN we're awaiting, if any. */ 990 DB_LSN st_max_perm_lsn; /* Maximum permanent LSN. */ 991 db_pgno_t st_next_pg; /* Next pg we expect. */ 992 db_pgno_t st_waiting_pg; /* pg we're awaiting, if any. */ 993 994 u_int32_t st_dupmasters; /* # of times a duplicate master 995 condition was detected.+ */ 996 int st_env_id; /* Current environment ID. */ 997 u_int32_t st_env_priority; /* Current environment priority. */ 998 u_int32_t st_bulk_fills; /* Bulk buffer fills. */ 999 u_int32_t st_bulk_overflows; /* Bulk buffer overflows. */ 1000 u_int32_t st_bulk_records; /* Bulk records stored. */ 1001 u_int32_t st_bulk_transfers; /* Transfers of bulk buffers. */ 1002 u_int32_t st_client_rerequests; /* Number of forced rerequests. */ 1003 u_int32_t st_client_svc_req; /* Number of client service requests 1004 received by this client. */ 1005 u_int32_t st_client_svc_miss; /* Number of client service requests 1006 missing on this client. */ 1007 u_int32_t st_gen; /* Current generation number. */ 1008 u_int32_t st_egen; /* Current election gen number. */ 1009 u_int32_t st_log_duplicated; /* Log records received multiply.+ */ 1010 u_int32_t st_log_queued_max; /* Max. log records queued at once.+ */ 1011 u_int32_t st_log_queued_total; /* Total # of log recs. ever queued.+ */ 1012 u_int32_t st_log_records; /* Log records received and put.+ */ 1013 u_int32_t st_log_requested; /* Log recs. missed and requested.+ */ 1014 int st_master; /* Env. ID of the current master. */ 1015 u_int32_t st_master_changes; /* # of times we've switched masters. */ 1016 u_int32_t st_msgs_badgen; /* Messages with a bad generation #.+ */ 1017 u_int32_t st_msgs_processed; /* Messages received and processed.+ */ 1018 u_int32_t st_msgs_recover; /* Messages ignored because this site 1019 was a client in recovery.+ */ 1020 u_int32_t st_msgs_send_failures;/* # of failed message sends.+ */ 1021 u_int32_t st_msgs_sent; /* # of successful message sends.+ */ 1022 u_int32_t st_newsites; /* # of NEWSITE msgs. received.+ */ 1023 u_int32_t st_nsites; /* Current number of sites we will 1024 assume during elections. */ 1025 u_int32_t st_nthrottles; /* # of times we were throttled. */ 1026 u_int32_t st_outdated; /* # of times we detected and returned 1027 an OUTDATED condition.+ */ 1028 u_int32_t st_pg_duplicated; /* Pages received multiply.+ */ 1029 u_int32_t st_pg_records; /* Pages received and stored.+ */ 1030 u_int32_t st_pg_requested; /* Pages missed and requested.+ */ 1031 u_int32_t st_txns_applied; /* # of transactions applied.+ */ 1032 u_int32_t st_startsync_delayed; /* # of STARTSYNC msgs delayed.+ */ 1033 1034 /* Elections generally. */ 1035 u_int32_t st_elections; /* # of elections held.+ */ 1036 u_int32_t st_elections_won; /* # of elections won by this site.+ */ 1037 1038 /* Statistics about an in-progress election. */ 1039 int st_election_cur_winner; /* Current front-runner. */ 1040 u_int32_t st_election_gen; /* Election generation number. */ 1041 DB_LSN st_election_lsn; /* Max. LSN of current winner. */ 1042 u_int32_t st_election_nsites; /* # of "registered voters". */ 1043 u_int32_t st_election_nvotes; /* # of "registered voters" needed. */ 1044 u_int32_t st_election_priority; /* Current election priority. */ 1045 int st_election_status; /* Current election status. */ 1046 u_int32_t st_election_tiebreaker;/* Election tiebreaker value. */ 1047 u_int32_t st_election_votes; /* Votes received in this round. */ 1048 u_int32_t st_election_sec; /* Last election time seconds. */ 1049 u_int32_t st_election_usec; /* Last election time useconds. */ 1050 u_int32_t st_max_lease_sec; /* Maximum lease timestamp seconds. */ 1051 u_int32_t st_max_lease_usec; /* Maximum lease timestamp useconds. */ 1052#endif 1053}; 1054 1055/* Replication Manager statistics. */ 1056struct __db_repmgr_stat { 1057 u_int32_t st_perm_failed; /* # of insufficiently ack'ed msgs. */ 1058 u_int32_t st_msgs_queued; /* # msgs queued for network delay. */ 1059 u_int32_t st_msgs_dropped; /* # msgs discarded due to excessive 1060 queue length. */ 1061 u_int32_t st_connection_drop; /* Existing connections dropped. */ 1062 u_int32_t st_connect_fail; /* Failed new connection attempts. */ 1063}; 1064 1065/******************************************************* 1066 * Sequences. 1067 *******************************************************/ 1068/* 1069 * The storage record for a sequence. 1070 */ 1071struct __db_seq_record { 1072 u_int32_t seq_version; /* Version size/number. */ 1073 u_int32_t flags; /* DB_SEQ_XXX Flags. */ 1074 db_seq_t seq_value; /* Current value. */ 1075 db_seq_t seq_max; /* Max permitted. */ 1076 db_seq_t seq_min; /* Min permitted. */ 1077}; 1078 1079/* 1080 * Handle for a sequence object. 1081 */ 1082struct __db_sequence { 1083 DB *seq_dbp; /* DB handle for this sequence. */ 1084 db_mutex_t mtx_seq; /* Mutex if sequence is threaded. */ 1085 DB_SEQ_RECORD *seq_rp; /* Pointer to current data. */ 1086 DB_SEQ_RECORD seq_record; /* Data from DB_SEQUENCE. */ 1087 int32_t seq_cache_size; /* Number of values cached. */ 1088 db_seq_t seq_last_value; /* Last value cached. */ 1089 DBT seq_key; /* DBT pointing to sequence key. */ 1090 DBT seq_data; /* DBT pointing to seq_record. */ 1091 1092 /* API-private structure: used by C++ and Java. */ 1093 void *api_internal; 1094 1095 /* DB_SEQUENCE PUBLIC HANDLE LIST BEGIN */ 1096 int (*close) __P((DB_SEQUENCE *, u_int32_t)); 1097 int (*get) __P((DB_SEQUENCE *, 1098 DB_TXN *, int32_t, db_seq_t *, u_int32_t)); 1099 int (*get_cachesize) __P((DB_SEQUENCE *, int32_t *)); 1100 int (*get_db) __P((DB_SEQUENCE *, DB **)); 1101 int (*get_flags) __P((DB_SEQUENCE *, u_int32_t *)); 1102 int (*get_key) __P((DB_SEQUENCE *, DBT *)); 1103 int (*get_range) __P((DB_SEQUENCE *, 1104 db_seq_t *, db_seq_t *)); 1105 int (*initial_value) __P((DB_SEQUENCE *, db_seq_t)); 1106 int (*open) __P((DB_SEQUENCE *, 1107 DB_TXN *, DBT *, u_int32_t)); 1108 int (*remove) __P((DB_SEQUENCE *, DB_TXN *, u_int32_t)); 1109 int (*set_cachesize) __P((DB_SEQUENCE *, int32_t)); 1110 int (*set_flags) __P((DB_SEQUENCE *, u_int32_t)); 1111 int (*set_range) __P((DB_SEQUENCE *, db_seq_t, db_seq_t)); 1112 int (*stat) __P((DB_SEQUENCE *, 1113 DB_SEQUENCE_STAT **, u_int32_t)); 1114 int (*stat_print) __P((DB_SEQUENCE *, u_int32_t)); 1115 /* DB_SEQUENCE PUBLIC HANDLE LIST END */ 1116}; 1117 1118struct __db_seq_stat { 1119 u_int32_t st_wait; /* Sequence lock granted w/o wait. */ 1120 u_int32_t st_nowait; /* Sequence lock granted after wait. */ 1121 db_seq_t st_current; /* Current value in db. */ 1122 db_seq_t st_value; /* Current cached value. */ 1123 db_seq_t st_last_value; /* Last cached value. */ 1124 db_seq_t st_min; /* Minimum value. */ 1125 db_seq_t st_max; /* Maximum value. */ 1126 int32_t st_cache_size; /* Cache size. */ 1127 u_int32_t st_flags; /* Flag value. */ 1128}; 1129 1130/******************************************************* 1131 * Access methods. 1132 *******************************************************/ 1133typedef enum { 1134 DB_BTREE=1, 1135 DB_HASH=2, 1136 DB_RECNO=3, 1137 DB_QUEUE=4, 1138 DB_UNKNOWN=5 /* Figure it out on open. */ 1139} DBTYPE; 1140 1141#define DB_RENAMEMAGIC 0x030800 /* File has been renamed. */ 1142 1143#define DB_BTREEVERSION 9 /* Current btree version. */ 1144#define DB_BTREEOLDVER 8 /* Oldest btree version supported. */ 1145#define DB_BTREEMAGIC 0x053162 1146 1147#define DB_HASHVERSION 9 /* Current hash version. */ 1148#define DB_HASHOLDVER 7 /* Oldest hash version supported. */ 1149#define DB_HASHMAGIC 0x061561 1150 1151#define DB_QAMVERSION 4 /* Current queue version. */ 1152#define DB_QAMOLDVER 3 /* Oldest queue version supported. */ 1153#define DB_QAMMAGIC 0x042253 1154 1155#define DB_SEQUENCE_VERSION 2 /* Current sequence version. */ 1156#define DB_SEQUENCE_OLDVER 1 /* Oldest sequence version supported. */ 1157 1158/* 1159 * DB access method and cursor operation values. Each value is an operation 1160 * code to which additional bit flags are added. 1161 */ 1162#define DB_AFTER 1 /* Dbc.put */ 1163#define DB_APPEND 2 /* Db.put */ 1164#define DB_BEFORE 3 /* Dbc.put */ 1165#define DB_CONSUME 4 /* Db.get */ 1166#define DB_CONSUME_WAIT 5 /* Db.get */ 1167#define DB_CURRENT 6 /* Dbc.get, Dbc.put, DbLogc.get */ 1168#define DB_FIRST 7 /* Dbc.get, DbLogc->get */ 1169#define DB_GET_BOTH 8 /* Db.get, Dbc.get */ 1170#define DB_GET_BOTHC 9 /* Dbc.get (internal) */ 1171#define DB_GET_BOTH_RANGE 10 /* Db.get, Dbc.get */ 1172#define DB_GET_RECNO 11 /* Dbc.get */ 1173#define DB_JOIN_ITEM 12 /* Dbc.get; don't do primary lookup */ 1174#define DB_KEYFIRST 13 /* Dbc.put */ 1175#define DB_KEYLAST 14 /* Dbc.put */ 1176#define DB_LAST 15 /* Dbc.get, DbLogc->get */ 1177#define DB_NEXT 16 /* Dbc.get, DbLogc->get */ 1178#define DB_NEXT_DUP 17 /* Dbc.get */ 1179#define DB_NEXT_NODUP 18 /* Dbc.get */ 1180#define DB_NODUPDATA 19 /* Db.put, Dbc.put */ 1181#define DB_NOOVERWRITE 20 /* Db.put */ 1182#define DB_NOSYNC 21 /* Db.close */ 1183#define DB_POSITION 22 /* Dbc.dup */ 1184#define DB_PREV 23 /* Dbc.get, DbLogc->get */ 1185#define DB_PREV_DUP 24 /* Dbc.get */ 1186#define DB_PREV_NODUP 25 /* Dbc.get */ 1187#define DB_SET 26 /* Dbc.get, DbLogc->get */ 1188#define DB_SET_RANGE 27 /* Dbc.get */ 1189#define DB_SET_RECNO 28 /* Db.get, Dbc.get */ 1190#define DB_UPDATE_SECONDARY 29 /* Dbc.get, Dbc.del (internal) */ 1191#define DB_WRITECURSOR 30 /* Db.cursor */ 1192#define DB_WRITELOCK 31 /* Db.cursor (internal) */ 1193 1194/* This has to change when the max opcode hits 255. */ 1195#define DB_OPFLAGS_MASK 0x000000ff /* Mask for operations flags. */ 1196 1197/* 1198 * DB (user visible) error return codes. 1199 * 1200 * !!! 1201 * We don't want our error returns to conflict with other packages where 1202 * possible, so pick a base error value that's hopefully not common. We 1203 * document that we own the error name space from -30,800 to -30,999. 1204 */ 1205/* DB (public) error return codes. */ 1206#define DB_BUFFER_SMALL (-30999)/* User memory too small for return. */ 1207#define DB_DONOTINDEX (-30998)/* "Null" return from 2ndary callbk. */ 1208#define DB_FOREIGN_CONFLICT (-30997)/* A foreign db constraint triggered. */ 1209#define DB_KEYEMPTY (-30996)/* Key/data deleted or never created. */ 1210#define DB_KEYEXIST (-30995)/* The key/data pair already exists. */ 1211#define DB_LOCK_DEADLOCK (-30994)/* Deadlock. */ 1212#define DB_LOCK_NOTGRANTED (-30993)/* Lock unavailable. */ 1213#define DB_LOG_BUFFER_FULL (-30992)/* In-memory log buffer full. */ 1214#define DB_NOSERVER (-30991)/* Server panic return. */ 1215#define DB_NOSERVER_HOME (-30990)/* Bad home sent to server. */ 1216#define DB_NOSERVER_ID (-30989)/* Bad ID sent to server. */ 1217#define DB_NOTFOUND (-30988)/* Key/data pair not found (EOF). */ 1218#define DB_OLD_VERSION (-30987)/* Out-of-date version. */ 1219#define DB_PAGE_NOTFOUND (-30986)/* Requested page not found. */ 1220#define DB_REP_DUPMASTER (-30985)/* There are two masters. */ 1221#define DB_REP_HANDLE_DEAD (-30984)/* Rolled back a commit. */ 1222#define DB_REP_HOLDELECTION (-30983)/* Time to hold an election. */ 1223#define DB_REP_IGNORE (-30982)/* This msg should be ignored.*/ 1224#define DB_REP_ISPERM (-30981)/* Cached not written perm written.*/ 1225#define DB_REP_JOIN_FAILURE (-30980)/* Unable to join replication group. */ 1226#define DB_REP_LEASE_EXPIRED (-30979)/* Master lease has expired. */ 1227#define DB_REP_LOCKOUT (-30978)/* API/Replication lockout now. */ 1228#define DB_REP_NEWSITE (-30977)/* New site entered system. */ 1229#define DB_REP_NOTPERM (-30976)/* Permanent log record not written. */ 1230#define DB_REP_UNAVAIL (-30975)/* Site cannot currently be reached. */ 1231#define DB_RUNRECOVERY (-30974)/* Panic return. */ 1232#define DB_SECONDARY_BAD (-30973)/* Secondary index corrupt. */ 1233#define DB_VERIFY_BAD (-30972)/* Verify failed; bad format. */ 1234#define DB_VERSION_MISMATCH (-30971)/* Environment version mismatch. */ 1235 1236 1237/* DB (private) error return codes. */ 1238#define DB_ALREADY_ABORTED (-30899) 1239#define DB_DELETED (-30898)/* Recovery file marked deleted. */ 1240#define DB_EVENT_NOT_HANDLED (-30897)/* Forward event to application. */ 1241#define DB_NEEDSPLIT (-30896)/* Page needs to be split. */ 1242#define DB_REP_BULKOVF (-30895)/* Rep bulk buffer overflow. */ 1243#define DB_REP_EGENCHG (-30894)/* Egen changed while in election. */ 1244#define DB_REP_LOGREADY (-30893)/* Rep log ready for recovery. */ 1245#define DB_REP_NEWMASTER (-30892)/* We have learned of a new master. */ 1246#define DB_REP_PAGEDONE (-30891)/* This page was already done. */ 1247#define DB_SURPRISE_KID (-30890)/* Child commit where parent 1248 didn't know it was a parent. */ 1249#define DB_SWAPBYTES (-30889)/* Database needs byte swapping. */ 1250#define DB_TIMEOUT (-30888)/* Timed out waiting for election. */ 1251#define DB_TXN_CKP (-30887)/* Encountered ckp record in log. */ 1252#define DB_VERIFY_FATAL (-30886)/* DB->verify cannot proceed. */ 1253 1254/* Database handle. */ 1255struct __db { 1256 /******************************************************* 1257 * Public: owned by the application. 1258 *******************************************************/ 1259 u_int32_t pgsize; /* Database logical page size. */ 1260 DB_CACHE_PRIORITY priority; /* Database priority in cache. */ 1261 1262 /* Callbacks. */ 1263 int (*db_append_recno) __P((DB *, DBT *, db_recno_t)); 1264 void (*db_feedback) __P((DB *, int, int)); 1265 int (*dup_compare) __P((DB *, const DBT *, const DBT *)); 1266 1267 void *app_private; /* Application-private handle. */ 1268 1269 /******************************************************* 1270 * Private: owned by DB. 1271 *******************************************************/ 1272 DB_ENV *dbenv; /* Backing public environment. */ 1273 ENV *env; /* Backing private environment. */ 1274 1275 DBTYPE type; /* DB access method type. */ 1276 1277 DB_MPOOLFILE *mpf; /* Backing buffer pool. */ 1278 1279 db_mutex_t mutex; /* Synchronization for free threading */ 1280 1281 char *fname, *dname; /* File/database passed to DB->open. */ 1282 u_int32_t open_flags; /* Flags passed to DB->open. */ 1283 1284 u_int8_t fileid[DB_FILE_ID_LEN];/* File's unique ID for locking. */ 1285 1286 u_int32_t adj_fileid; /* File's unique ID for curs. adj. */ 1287 1288#define DB_LOGFILEID_INVALID -1 1289 FNAME *log_filename; /* File's naming info for logging. */ 1290 1291 db_pgno_t meta_pgno; /* Meta page number */ 1292 DB_LOCKER *locker; /* Locker for handle locking. */ 1293 DB_LOCKER *cur_locker; /* Current handle lock holder. */ 1294 DB_TXN *cur_txn; /* Opening transaction. */ 1295 DB_LOCKER *associate_locker; /* Locker for DB->associate call. */ 1296 DB_LOCK handle_lock; /* Lock held on this handle. */ 1297 1298 u_int cl_id; /* RPC: remote client id. */ 1299 1300 time_t timestamp; /* Handle timestamp for replication. */ 1301 u_int32_t fid_gen; /* Rep generation number for fids. */ 1302 1303 /* 1304 * Returned data memory for DB->get() and friends. 1305 */ 1306 DBT my_rskey; /* Secondary key. */ 1307 DBT my_rkey; /* [Primary] key. */ 1308 DBT my_rdata; /* Data. */ 1309 1310 /* 1311 * !!! 1312 * Some applications use DB but implement their own locking outside of 1313 * DB. If they're using fcntl(2) locking on the underlying database 1314 * file, and we open and close a file descriptor for that file, we will 1315 * discard their locks. The DB_FCNTL_LOCKING flag to DB->open is an 1316 * undocumented interface to support this usage which leaves any file 1317 * descriptors we open until DB->close. This will only work with the 1318 * DB->open interface and simple caches, e.g., creating a transaction 1319 * thread may open/close file descriptors this flag doesn't protect. 1320 * Locking with fcntl(2) on a file that you don't own is a very, very 1321 * unsafe thing to do. 'Nuff said. 1322 */ 1323 DB_FH *saved_open_fhp; /* Saved file handle. */ 1324 1325 /* 1326 * Linked list of DBP's, linked from the ENV, used to keep track 1327 * of all open db handles for cursor adjustment. 1328 * 1329 * !!! 1330 * Explicit representations of structures from queue.h. 1331 * TAILQ_ENTRY(__db) dblistlinks; 1332 */ 1333 struct { 1334 struct __db *tqe_next; 1335 struct __db **tqe_prev; 1336 } dblistlinks; 1337 1338 /* 1339 * Cursor queues. 1340 * 1341 * !!! 1342 * Explicit representations of structures from queue.h. 1343 * TAILQ_HEAD(__cq_fq, __dbc) free_queue; 1344 * TAILQ_HEAD(__cq_aq, __dbc) active_queue; 1345 * TAILQ_HEAD(__cq_jq, __dbc) join_queue; 1346 */ 1347 struct __cq_fq { 1348 struct __dbc *tqh_first; 1349 struct __dbc **tqh_last; 1350 } free_queue; 1351 struct __cq_aq { 1352 struct __dbc *tqh_first; 1353 struct __dbc **tqh_last; 1354 } active_queue; 1355 struct __cq_jq { 1356 struct __dbc *tqh_first; 1357 struct __dbc **tqh_last; 1358 } join_queue; 1359 1360 /* 1361 * Secondary index support. 1362 * 1363 * Linked list of secondary indices -- set in the primary. 1364 * 1365 * !!! 1366 * Explicit representations of structures from queue.h. 1367 * LIST_HEAD(s_secondaries, __db); 1368 */ 1369 struct { 1370 struct __db *lh_first; 1371 } s_secondaries; 1372 1373 /* 1374 * List entries for secondaries, and reference count of how many 1375 * threads are updating this secondary (see Dbc.put). 1376 * 1377 * !!! 1378 * Note that these are synchronized by the primary's mutex, but 1379 * filled in in the secondaries. 1380 * 1381 * !!! 1382 * Explicit representations of structures from queue.h. 1383 * LIST_ENTRY(__db) s_links; 1384 */ 1385 struct { 1386 struct __db *le_next; 1387 struct __db **le_prev; 1388 } s_links; 1389 u_int32_t s_refcnt; 1390 1391 /* Secondary callback and free functions -- set in the secondary. */ 1392 int (*s_callback) __P((DB *, const DBT *, const DBT *, DBT *)); 1393 1394 /* Reference to primary -- set in the secondary. */ 1395 DB *s_primary; 1396 1397#define DB_ASSOC_IMMUTABLE_KEY 0x00000001 /* Secondary key is immutable. */ 1398 1399 /* Flags passed to associate -- set in the secondary. */ 1400 u_int32_t s_assoc_flags; 1401 1402 /* 1403 * Foreign key support. 1404 * 1405 * Linked list of primary dbs -- set in the foreign db 1406 * 1407 * !!! 1408 * Explicit representations of structures from queue.h. 1409 * LIST_HEAD(f_primaries, __db); 1410 */ 1411 struct { 1412 struct __db_foreign_info *lh_first; 1413 } f_primaries; 1414 1415 /* Reference to foreign -- set in the secondary. */ 1416 DB *s_foreign; 1417 1418 /* API-private structure: used by DB 1.85, C++, Java, Perl and Tcl */ 1419 void *api_internal; 1420 1421 /* Subsystem-private structure. */ 1422 void *bt_internal; /* Btree/Recno access method. */ 1423 void *h_internal; /* Hash access method. */ 1424 void *q_internal; /* Queue access method. */ 1425 void *xa_internal; /* XA. */ 1426 1427 /* DB PUBLIC HANDLE LIST BEGIN */ 1428 int (*associate) __P((DB *, DB_TXN *, DB *, 1429 int (*)(DB *, const DBT *, const DBT *, DBT *), u_int32_t)); 1430 int (*associate_foreign) __P((DB *, DB *, 1431 int (*)(DB *, const DBT *, DBT *, const DBT *, int *), 1432 u_int32_t)); 1433 int (*close) __P((DB *, u_int32_t)); 1434 int (*compact) __P((DB *, 1435 DB_TXN *, DBT *, DBT *, DB_COMPACT *, u_int32_t, DBT *)); 1436 int (*cursor) __P((DB *, DB_TXN *, DBC **, u_int32_t)); 1437 int (*del) __P((DB *, DB_TXN *, DBT *, u_int32_t)); 1438 void (*err) __P((DB *, int, const char *, ...)); 1439 void (*errx) __P((DB *, const char *, ...)); 1440 int (*exists) __P((DB *, DB_TXN *, DBT *, u_int32_t)); 1441 int (*fd) __P((DB *, int *)); 1442 int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); 1443 int (*get_bt_minkey) __P((DB *, u_int32_t *)); 1444 int (*get_byteswapped) __P((DB *, int *)); 1445 int (*get_cachesize) __P((DB *, u_int32_t *, u_int32_t *, int *)); 1446 int (*get_dbname) __P((DB *, const char **, const char **)); 1447 int (*get_encrypt_flags) __P((DB *, u_int32_t *)); 1448 DB_ENV *(*get_env) __P((DB *)); 1449 void (*get_errcall) __P((DB *, 1450 void (**)(const DB_ENV *, const char *, const char *))); 1451 void (*get_errfile) __P((DB *, FILE **)); 1452 void (*get_errpfx) __P((DB *, const char **)); 1453 int (*get_flags) __P((DB *, u_int32_t *)); 1454 int (*get_h_ffactor) __P((DB *, u_int32_t *)); 1455 int (*get_h_nelem) __P((DB *, u_int32_t *)); 1456 int (*get_lorder) __P((DB *, int *)); 1457 DB_MPOOLFILE *(*get_mpf) __P((DB *)); 1458 void (*get_msgfile) __P((DB *, FILE **)); 1459 int (*get_multiple) __P((DB *)); 1460 int (*get_open_flags) __P((DB *, u_int32_t *)); 1461 int (*get_pagesize) __P((DB *, u_int32_t *)); 1462 int (*get_priority) __P((DB *, DB_CACHE_PRIORITY *)); 1463 int (*get_q_extentsize) __P((DB *, u_int32_t *)); 1464 int (*get_re_delim) __P((DB *, int *)); 1465 int (*get_re_len) __P((DB *, u_int32_t *)); 1466 int (*get_re_pad) __P((DB *, int *)); 1467 int (*get_re_source) __P((DB *, const char **)); 1468 int (*get_transactional) __P((DB *)); 1469 int (*get_type) __P((DB *, DBTYPE *)); 1470 int (*join) __P((DB *, DBC **, DBC **, u_int32_t)); 1471 int (*key_range) 1472 __P((DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)); 1473 int (*open) __P((DB *, 1474 DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)); 1475 int (*pget) __P((DB *, DB_TXN *, DBT *, DBT *, DBT *, u_int32_t)); 1476 int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); 1477 int (*remove) __P((DB *, const char *, const char *, u_int32_t)); 1478 int (*rename) __P((DB *, 1479 const char *, const char *, const char *, u_int32_t)); 1480 int (*set_alloc) __P((DB *, void *(*)(size_t), 1481 void *(*)(void *, size_t), void (*)(void *))); 1482 int (*set_append_recno) __P((DB *, int (*)(DB *, DBT *, db_recno_t))); 1483 int (*set_bt_compare) 1484 __P((DB *, int (*)(DB *, const DBT *, const DBT *))); 1485 int (*set_bt_minkey) __P((DB *, u_int32_t)); 1486 int (*set_bt_prefix) 1487 __P((DB *, size_t (*)(DB *, const DBT *, const DBT *))); 1488 int (*set_cachesize) __P((DB *, u_int32_t, u_int32_t, int)); 1489 int (*set_dup_compare) 1490 __P((DB *, int (*)(DB *, const DBT *, const DBT *))); 1491 int (*set_encrypt) __P((DB *, const char *, u_int32_t)); 1492 void (*set_errcall) __P((DB *, 1493 void (*)(const DB_ENV *, const char *, const char *))); 1494 void (*set_errfile) __P((DB *, FILE *)); 1495 void (*set_errpfx) __P((DB *, const char *)); 1496 int (*set_feedback) __P((DB *, void (*)(DB *, int, int))); 1497 int (*set_flags) __P((DB *, u_int32_t)); 1498 int (*set_h_compare) 1499 __P((DB *, int (*)(DB *, const DBT *, const DBT *))); 1500 int (*set_h_ffactor) __P((DB *, u_int32_t)); 1501 int (*set_h_hash) 1502 __P((DB *, u_int32_t (*)(DB *, const void *, u_int32_t))); 1503 int (*set_h_nelem) __P((DB *, u_int32_t)); 1504 int (*set_lorder) __P((DB *, int)); 1505 void (*set_msgcall) __P((DB *, void (*)(const DB_ENV *, const char *))); 1506 void (*set_msgfile) __P((DB *, FILE *)); 1507 int (*set_pagesize) __P((DB *, u_int32_t)); 1508 int (*set_paniccall) __P((DB *, void (*)(DB_ENV *, int))); 1509 int (*set_priority) __P((DB *, DB_CACHE_PRIORITY)); 1510 int (*set_q_extentsize) __P((DB *, u_int32_t)); 1511 int (*set_re_delim) __P((DB *, int)); 1512 int (*set_re_len) __P((DB *, u_int32_t)); 1513 int (*set_re_pad) __P((DB *, int)); 1514 int (*set_re_source) __P((DB *, const char *)); 1515 int (*stat) __P((DB *, DB_TXN *, void *, u_int32_t)); 1516 int (*stat_print) __P((DB *, u_int32_t)); 1517 int (*sync) __P((DB *, u_int32_t)); 1518 int (*truncate) __P((DB *, DB_TXN *, u_int32_t *, u_int32_t)); 1519 int (*upgrade) __P((DB *, const char *, u_int32_t)); 1520 int (*verify) 1521 __P((DB *, const char *, const char *, FILE *, u_int32_t)); 1522 /* DB PUBLIC HANDLE LIST END */ 1523 1524 /* DB PRIVATE HANDLE LIST BEGIN */ 1525 int (*dump) __P((DB *, const char *, 1526 int (*)(void *, const void *), void *, int, int)); 1527 int (*db_am_remove) __P((DB *, DB_TXN *, const char *, const char *)); 1528 int (*db_am_rename) __P((DB *, DB_TXN *, 1529 const char *, const char *, const char *)); 1530 /* DB PRIVATE HANDLE LIST END */ 1531 1532 /* 1533 * Never called; these are a place to save function pointers 1534 * so that we can undo an associate. 1535 */ 1536 int (*stored_get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); 1537 int (*stored_close) __P((DB *, u_int32_t)); 1538 1539#define DB_OK_BTREE 0x01 1540#define DB_OK_HASH 0x02 1541#define DB_OK_QUEUE 0x04 1542#define DB_OK_RECNO 0x08 1543 u_int32_t am_ok; /* Legal AM choices. */ 1544 1545 /* 1546 * This field really ought to be an AM_FLAG, but we have 1547 * have run out of bits. If/when we decide to split up 1548 * the flags, we can incorporate it. 1549 */ 1550 int preserve_fid; /* Do not free fileid on close. */ 1551 1552#define DB_AM_CHKSUM 0x00000001 /* Checksumming */ 1553#define DB_AM_COMPENSATE 0x00000002 /* Created by compensating txn */ 1554#define DB_AM_CREATED 0x00000004 /* Database was created upon open */ 1555#define DB_AM_CREATED_MSTR 0x00000008 /* Encompassing file was created */ 1556#define DB_AM_DBM_ERROR 0x00000010 /* Error in DBM/NDBM database */ 1557#define DB_AM_DELIMITER 0x00000020 /* Variable length delimiter set */ 1558#define DB_AM_DISCARD 0x00000040 /* Discard any cached pages */ 1559#define DB_AM_DUP 0x00000080 /* DB_DUP */ 1560#define DB_AM_DUPSORT 0x00000100 /* DB_DUPSORT */ 1561#define DB_AM_ENCRYPT 0x00000200 /* Encryption */ 1562#define DB_AM_FIXEDLEN 0x00000400 /* Fixed-length records */ 1563#define DB_AM_INMEM 0x00000800 /* In-memory; no sync on close */ 1564#define DB_AM_INORDER 0x00001000 /* DB_INORDER */ 1565#define DB_AM_IN_RENAME 0x00002000 /* File is being renamed */ 1566#define DB_AM_NOT_DURABLE 0x00004000 /* Do not log changes */ 1567#define DB_AM_OPEN_CALLED 0x00008000 /* DB->open called */ 1568#define DB_AM_PAD 0x00010000 /* Fixed-length record pad */ 1569#define DB_AM_PGDEF 0x00020000 /* Page size was defaulted */ 1570#define DB_AM_RDONLY 0x00040000 /* Database is readonly */ 1571#define DB_AM_READ_UNCOMMITTED 0x00080000 /* Support degree 1 isolation */ 1572#define DB_AM_RECNUM 0x00100000 /* DB_RECNUM */ 1573#define DB_AM_RECOVER 0x00200000 /* DB opened by recovery routine */ 1574#define DB_AM_RENUMBER 0x00400000 /* DB_RENUMBER */ 1575#define DB_AM_REVSPLITOFF 0x00800000 /* DB_REVSPLITOFF */ 1576#define DB_AM_SECONDARY 0x01000000 /* Database is a secondary index */ 1577#define DB_AM_SNAPSHOT 0x02000000 /* DB_SNAPSHOT */ 1578#define DB_AM_SUBDB 0x04000000 /* Subdatabases supported */ 1579#define DB_AM_SWAP 0x08000000 /* Pages need to be byte-swapped */ 1580#define DB_AM_TXN 0x10000000 /* Opened in a transaction */ 1581#define DB_AM_VERIFYING 0x20000000 /* DB handle is in the verifier */ 1582 u_int32_t orig_flags; /* Flags at open, for refresh */ 1583 u_int32_t flags; 1584}; 1585 1586/* 1587 * Macros for bulk get. These are only intended for the C API. 1588 * For C++, use DbMultiple*Iterator. 1589 */ 1590#define DB_MULTIPLE_INIT(pointer, dbt) \ 1591 (pointer = (u_int8_t *)(dbt)->data + \ 1592 (dbt)->ulen - sizeof(u_int32_t)) 1593#define DB_MULTIPLE_NEXT(pointer, dbt, retdata, retdlen) \ 1594 do { \ 1595 if (*((u_int32_t *)(pointer)) == (u_int32_t)-1) { \ 1596 retdata = NULL; \ 1597 pointer = NULL; \ 1598 break; \ 1599 } \ 1600 retdata = (u_int8_t *) \ 1601 (dbt)->data + *(u_int32_t *)(pointer); \ 1602 (pointer) = (u_int32_t *)(pointer) - 1; \ 1603 retdlen = *(u_int32_t *)(pointer); \ 1604 (pointer) = (u_int32_t *)(pointer) - 1; \ 1605 if (retdlen == 0 && \ 1606 retdata == (u_int8_t *)(dbt)->data) \ 1607 retdata = NULL; \ 1608 } while (0) 1609#define DB_MULTIPLE_KEY_NEXT(pointer, dbt, retkey, retklen, retdata, retdlen) \ 1610 do { \ 1611 if (*((u_int32_t *)(pointer)) == (u_int32_t)-1) { \ 1612 retdata = NULL; \ 1613 retkey = NULL; \ 1614 pointer = NULL; \ 1615 break; \ 1616 } \ 1617 retkey = (u_int8_t *) \ 1618 (dbt)->data + *(u_int32_t *)(pointer); \ 1619 (pointer) = (u_int32_t *)(pointer) - 1; \ 1620 retklen = *(u_int32_t *)(pointer); \ 1621 (pointer) = (u_int32_t *)(pointer) - 1; \ 1622 retdata = (u_int8_t *) \ 1623 (dbt)->data + *(u_int32_t *)(pointer); \ 1624 (pointer) = (u_int32_t *)(pointer) - 1; \ 1625 retdlen = *(u_int32_t *)(pointer); \ 1626 (pointer) = (u_int32_t *)(pointer) - 1; \ 1627 } while (0) 1628 1629#define DB_MULTIPLE_RECNO_NEXT(pointer, dbt, recno, retdata, retdlen) \ 1630 do { \ 1631 if (*((u_int32_t *)(pointer)) == (u_int32_t)0) { \ 1632 recno = 0; \ 1633 retdata = NULL; \ 1634 pointer = NULL; \ 1635 break; \ 1636 } \ 1637 recno = *(u_int32_t *)(pointer); \ 1638 (pointer) = (u_int32_t *)(pointer) - 1; \ 1639 retdata = (u_int8_t *) \ 1640 (dbt)->data + *(u_int32_t *)(pointer); \ 1641 (pointer) = (u_int32_t *)(pointer) - 1; \ 1642 retdlen = *(u_int32_t *)(pointer); \ 1643 (pointer) = (u_int32_t *)(pointer) - 1; \ 1644 } while (0) 1645 1646/******************************************************* 1647 * Access method cursors. 1648 *******************************************************/ 1649struct __dbc { 1650 DB *dbp; /* Backing database */ 1651 DB_ENV *dbenv; /* Backing environment */ 1652 ENV *env; /* Backing environment */ 1653 1654 DB_THREAD_INFO *thread_info; /* Thread that owns this cursor. */ 1655 DB_TXN *txn; /* Associated transaction. */ 1656 DB_CACHE_PRIORITY priority; /* Priority in cache. */ 1657 1658 /* 1659 * Active/free cursor queues. 1660 * 1661 * !!! 1662 * Explicit representations of structures from queue.h. 1663 * TAILQ_ENTRY(__dbc) links; 1664 */ 1665 struct { 1666 DBC *tqe_next; 1667 DBC **tqe_prev; 1668 } links; 1669 1670 /* 1671 * The DBT *'s below are used by the cursor routines to return 1672 * data to the user when DBT flags indicate that DB should manage 1673 * the returned memory. They point at a DBT containing the buffer 1674 * and length that will be used, and "belonging" to the handle that 1675 * should "own" this memory. This may be a "my_*" field of this 1676 * cursor--the default--or it may be the corresponding field of 1677 * another cursor, a DB handle, a join cursor, etc. In general, it 1678 * will be whatever handle the user originally used for the current 1679 * DB interface call. 1680 */ 1681 DBT *rskey; /* Returned secondary key. */ 1682 DBT *rkey; /* Returned [primary] key. */ 1683 DBT *rdata; /* Returned data. */ 1684 1685 DBT my_rskey; /* Space for returned secondary key. */ 1686 DBT my_rkey; /* Space for returned [primary] key. */ 1687 DBT my_rdata; /* Space for returned data. */ 1688 1689 DB_LOCKER *lref; /* Reference to default locker. */ 1690 DB_LOCKER *locker; /* Locker for this operation. */ 1691 DBT lock_dbt; /* DBT referencing lock. */ 1692 DB_LOCK_ILOCK lock; /* Object to be locked. */ 1693 DB_LOCK mylock; /* CDB lock held on this cursor. */ 1694 1695 u_int cl_id; /* Remote client id. */ 1696 1697 DBTYPE dbtype; /* Cursor type. */ 1698 1699 DBC_INTERNAL *internal; /* Access method private. */ 1700 1701 /* DBC PUBLIC HANDLE LIST BEGIN */ 1702 int (*close) __P((DBC *)); 1703 int (*count) __P((DBC *, db_recno_t *, u_int32_t)); 1704 int (*del) __P((DBC *, u_int32_t)); 1705 int (*dup) __P((DBC *, DBC **, u_int32_t)); 1706 int (*get) __P((DBC *, DBT *, DBT *, u_int32_t)); 1707 int (*get_priority) __P((DBC *, DB_CACHE_PRIORITY *)); 1708 int (*pget) __P((DBC *, DBT *, DBT *, DBT *, u_int32_t)); 1709 int (*put) __P((DBC *, DBT *, DBT *, u_int32_t)); 1710 int (*set_priority) __P((DBC *, DB_CACHE_PRIORITY)); 1711 /* DBC PUBLIC HANDLE LIST END */ 1712 1713 /* The following are the method names deprecated in the 4.6 release. */ 1714 int (*c_close) __P((DBC *)); 1715 int (*c_count) __P((DBC *, db_recno_t *, u_int32_t)); 1716 int (*c_del) __P((DBC *, u_int32_t)); 1717 int (*c_dup) __P((DBC *, DBC **, u_int32_t)); 1718 int (*c_get) __P((DBC *, DBT *, DBT *, u_int32_t)); 1719 int (*c_pget) __P((DBC *, DBT *, DBT *, DBT *, u_int32_t)); 1720 int (*c_put) __P((DBC *, DBT *, DBT *, u_int32_t)); 1721 1722 /* DBC PRIVATE HANDLE LIST BEGIN */ 1723 int (*am_bulk) __P((DBC *, DBT *, u_int32_t)); 1724 int (*am_close) __P((DBC *, db_pgno_t, int *)); 1725 int (*am_del) __P((DBC *)); 1726 int (*am_destroy) __P((DBC *)); 1727 int (*am_get) __P((DBC *, DBT *, DBT *, u_int32_t, db_pgno_t *)); 1728 int (*am_put) __P((DBC *, DBT *, DBT *, u_int32_t, db_pgno_t *)); 1729 int (*am_writelock) __P((DBC *)); 1730 /* DBC PRIVATE HANDLE LIST END */ 1731 1732/* 1733 * DBC_DONTLOCK and DBC_RECOVER are used during recovery and transaction 1734 * abort. If a transaction is being aborted or recovered then DBC_RECOVER 1735 * will be set and locking and logging will be disabled on this cursor. If 1736 * we are performing a compensating transaction (e.g. free page processing) 1737 * then DB_DONTLOCK will be set to inhibit locking, but logging will still 1738 * be required. DB_DONTLOCK is also used if the whole database is locked. 1739 */ 1740#define DBC_ACTIVE 0x0001 /* Cursor in use. */ 1741#define DBC_DONTLOCK 0x0002 /* Don't lock on this cursor. */ 1742#define DBC_DUPLICATE 0x0004 /* Create a duplicate cursor. */ 1743#define DBC_MULTIPLE 0x0008 /* Return Multiple data. */ 1744#define DBC_MULTIPLE_KEY 0x0010 /* Return Multiple keys and data. */ 1745#define DBC_OPD 0x0020 /* Cursor references off-page dups. */ 1746#define DBC_OWN_LID 0x0040 /* Free lock id on destroy. */ 1747#define DBC_READ_COMMITTED 0x0080 /* Cursor has degree 2 isolation. */ 1748#define DBC_READ_UNCOMMITTED 0x0100 /* Cursor has degree 1 isolation. */ 1749#define DBC_RECOVER 0x0200 /* Recovery cursor; don't log/lock. */ 1750#define DBC_RMW 0x0400 /* Acquire write flag in read op. */ 1751#define DBC_TRANSIENT 0x0800 /* Cursor is transient. */ 1752#define DBC_WRITECURSOR 0x1000 /* Cursor may be used to write (CDB). */ 1753#define DBC_WRITER 0x2000 /* Cursor immediately writing (CDB). */ 1754 u_int32_t flags; 1755}; 1756 1757/* Key range statistics structure */ 1758struct __key_range { 1759 double less; 1760 double equal; 1761 double greater; 1762}; 1763 1764/* Btree/Recno statistics structure. */ 1765struct __db_bt_stat { 1766 u_int32_t bt_magic; /* Magic number. */ 1767 u_int32_t bt_version; /* Version number. */ 1768 u_int32_t bt_metaflags; /* Metadata flags. */ 1769 u_int32_t bt_nkeys; /* Number of unique keys. */ 1770 u_int32_t bt_ndata; /* Number of data items. */ 1771 u_int32_t bt_pagecnt; /* Page count. */ 1772 u_int32_t bt_pagesize; /* Page size. */ 1773 u_int32_t bt_minkey; /* Minkey value. */ 1774 u_int32_t bt_re_len; /* Fixed-length record length. */ 1775 u_int32_t bt_re_pad; /* Fixed-length record pad. */ 1776 u_int32_t bt_levels; /* Tree levels. */ 1777 u_int32_t bt_int_pg; /* Internal pages. */ 1778 u_int32_t bt_leaf_pg; /* Leaf pages. */ 1779 u_int32_t bt_dup_pg; /* Duplicate pages. */ 1780 u_int32_t bt_over_pg; /* Overflow pages. */ 1781 u_int32_t bt_empty_pg; /* Empty pages. */ 1782 u_int32_t bt_free; /* Pages on the free list. */ 1783 u_int32_t bt_int_pgfree; /* Bytes free in internal pages. */ 1784 u_int32_t bt_leaf_pgfree; /* Bytes free in leaf pages. */ 1785 u_int32_t bt_dup_pgfree; /* Bytes free in duplicate pages. */ 1786 u_int32_t bt_over_pgfree; /* Bytes free in overflow pages. */ 1787}; 1788 1789struct __db_compact { 1790 /* Input Parameters. */ 1791 u_int32_t compact_fillpercent; /* Desired fillfactor: 1-100 */ 1792 db_timeout_t compact_timeout; /* Lock timeout. */ 1793 u_int32_t compact_pages; /* Max pages to process. */ 1794 /* Output Stats. */ 1795 u_int32_t compact_pages_free; /* Number of pages freed. */ 1796 u_int32_t compact_pages_examine; /* Number of pages examine. */ 1797 u_int32_t compact_levels; /* Number of levels removed. */ 1798 u_int32_t compact_deadlock; /* Number of deadlocks. */ 1799 db_pgno_t compact_pages_truncated; /* Pages truncated to OS. */ 1800 /* Internal. */ 1801 db_pgno_t compact_truncate; /* Page number for truncation */ 1802}; 1803 1804/* Hash statistics structure. */ 1805struct __db_h_stat { 1806 u_int32_t hash_magic; /* Magic number. */ 1807 u_int32_t hash_version; /* Version number. */ 1808 u_int32_t hash_metaflags; /* Metadata flags. */ 1809 u_int32_t hash_nkeys; /* Number of unique keys. */ 1810 u_int32_t hash_ndata; /* Number of data items. */ 1811 u_int32_t hash_pagecnt; /* Page count. */ 1812 u_int32_t hash_pagesize; /* Page size. */ 1813 u_int32_t hash_ffactor; /* Fill factor specified at create. */ 1814 u_int32_t hash_buckets; /* Number of hash buckets. */ 1815 u_int32_t hash_free; /* Pages on the free list. */ 1816 u_int32_t hash_bfree; /* Bytes free on bucket pages. */ 1817 u_int32_t hash_bigpages; /* Number of big key/data pages. */ 1818 u_int32_t hash_big_bfree; /* Bytes free on big item pages. */ 1819 u_int32_t hash_overflows; /* Number of overflow pages. */ 1820 u_int32_t hash_ovfl_free; /* Bytes free on ovfl pages. */ 1821 u_int32_t hash_dup; /* Number of dup pages. */ 1822 u_int32_t hash_dup_free; /* Bytes free on duplicate pages. */ 1823}; 1824 1825/* Queue statistics structure. */ 1826struct __db_qam_stat { 1827 u_int32_t qs_magic; /* Magic number. */ 1828 u_int32_t qs_version; /* Version number. */ 1829 u_int32_t qs_metaflags; /* Metadata flags. */ 1830 u_int32_t qs_nkeys; /* Number of unique keys. */ 1831 u_int32_t qs_ndata; /* Number of data items. */ 1832 u_int32_t qs_pagesize; /* Page size. */ 1833 u_int32_t qs_extentsize; /* Pages per extent. */ 1834 u_int32_t qs_pages; /* Data pages. */ 1835 u_int32_t qs_re_len; /* Fixed-length record length. */ 1836 u_int32_t qs_re_pad; /* Fixed-length record pad. */ 1837 u_int32_t qs_pgfree; /* Bytes free in data pages. */ 1838 u_int32_t qs_first_recno; /* First not deleted record. */ 1839 u_int32_t qs_cur_recno; /* Next available record number. */ 1840}; 1841 1842/******************************************************* 1843 * Environment. 1844 *******************************************************/ 1845#define DB_REGION_MAGIC 0x120897 /* Environment magic number. */ 1846 1847/* 1848 * Database environment structure. 1849 * 1850 * This is the public database environment handle. The private environment 1851 * handle is the ENV structure. The user owns this structure, the library 1852 * owns the ENV structure. The reason there are two structures is because 1853 * the user's configuration outlives any particular DB_ENV->open call, and 1854 * separate structures allows us to easily discard internal information without 1855 * discarding the user's configuration. 1856 * 1857 * Fields in the DB_ENV structure should normally be set only by application 1858 * DB_ENV handle methods. 1859 */ 1860struct __db_env { 1861 ENV *env; /* Linked ENV structure */ 1862 1863 /* 1864 * The DB_ENV structure can be used concurrently, so field access is 1865 * protected. 1866 */ 1867 db_mutex_t mtx_db_env; /* DB_ENV structure mutex */ 1868 1869 /* Error message callback */ 1870 void (*db_errcall) __P((const DB_ENV *, const char *, const char *)); 1871 FILE *db_errfile; /* Error message file stream */ 1872 const char *db_errpfx; /* Error message prefix */ 1873 1874 /* Other message callback */ 1875 void (*db_msgcall) __P((const DB_ENV *, const char *)); 1876 FILE *db_msgfile; /* Other message file stream */ 1877 1878 /* Other application callback functions */ 1879 int (*app_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops)); 1880 void (*db_event_func) __P((DB_ENV *, u_int32_t, void *)); 1881 void (*db_feedback) __P((DB_ENV *, int, int)); 1882 void (*db_free) __P((void *)); 1883 void (*db_paniccall) __P((DB_ENV *, int)); 1884 void *(*db_malloc) __P((size_t)); 1885 void *(*db_realloc) __P((void *, size_t)); 1886 int (*is_alive) __P((DB_ENV *, pid_t, db_threadid_t, u_int32_t)); 1887 void (*thread_id) __P((DB_ENV *, pid_t *, db_threadid_t *)); 1888 char *(*thread_id_string) __P((DB_ENV *, pid_t, db_threadid_t, char *)); 1889 1890 /* Application specified paths */ 1891 char *db_log_dir; /* Database log file directory */ 1892 char *db_tmp_dir; /* Database tmp file directory */ 1893 1894 char **db_data_dir; /* Database data file directories */ 1895 int data_cnt; /* Database data file slots */ 1896 int data_next; /* Next database data file slot */ 1897 1898 char *intermediate_dir_mode; /* Intermediate directory perms */ 1899 1900 long shm_key; /* shmget key */ 1901 1902 char *passwd; /* Cryptography support */ 1903 size_t passwd_len; 1904 1905 void *cl_handle; /* RPC: remote client handle */ 1906 u_int cl_id; /* RPC: remote client env id */ 1907 1908 /* Private handle references */ 1909 void *app_private; /* Application-private handle */ 1910 void *api1_internal; /* C++, Perl API private */ 1911 void *api2_internal; /* Java API private */ 1912 1913 u_int32_t verbose; /* DB_VERB_XXX flags */ 1914 1915 /* Mutex configuration */ 1916 u_int32_t mutex_align; /* Mutex alignment */ 1917 u_int32_t mutex_cnt; /* Number of mutexes to configure */ 1918 u_int32_t mutex_inc; /* Number of mutexes to add */ 1919 u_int32_t mutex_tas_spins;/* Test-and-set spin count */ 1920 1921 /* Locking configuration */ 1922 u_int8_t *lk_conflicts; /* Two dimensional conflict matrix */ 1923 int lk_modes; /* Number of lock modes in table */ 1924 u_int32_t lk_detect; /* Deadlock detect on all conflicts */ 1925 u_int32_t lk_max; /* Maximum number of locks */ 1926 u_int32_t lk_max_lockers;/* Maximum number of lockers */ 1927 u_int32_t lk_max_objects;/* Maximum number of locked objects */ 1928 u_int32_t lk_partitions ;/* Number of object partitions */ 1929 db_timeout_t lk_timeout; /* Lock timeout period */ 1930 1931 /* Logging configuration */ 1932 u_int32_t lg_bsize; /* Buffer size */ 1933 int lg_filemode; /* Log file permission mode */ 1934 u_int32_t lg_regionmax; /* Region size */ 1935 u_int32_t lg_size; /* Log file size */ 1936 u_int32_t lg_flags; /* Log configuration */ 1937 1938 /* Memory pool configuration */ 1939 u_int32_t mp_gbytes; /* Cache size: GB */ 1940 u_int32_t mp_bytes; /* Cache size: bytes */ 1941 u_int32_t mp_max_gbytes; /* Maximum cache size: GB */ 1942 u_int32_t mp_max_bytes; /* Maximum cache size: bytes */ 1943 size_t mp_mmapsize; /* Maximum file size for mmap */ 1944 int mp_maxopenfd; /* Maximum open file descriptors */ 1945 int mp_maxwrite; /* Maximum buffers to write */ 1946 u_int mp_ncache; /* Initial number of cache regions */ 1947 /* Sleep after writing max buffers */ 1948 db_timeout_t mp_maxwrite_sleep; 1949 1950 /* Transaction configuration */ 1951 u_int32_t tx_max; /* Maximum number of transactions */ 1952 time_t tx_timestamp; /* Recover to specific timestamp */ 1953 db_timeout_t tx_timeout; /* Timeout for transactions */ 1954 1955 /* Thread tracking configuration */ 1956 u_int32_t thr_max; /* Thread count */ 1957 1958 /* 1959 * The following fields are not strictly user-owned, but they outlive 1960 * the ENV structure, and so are stored here. 1961 */ 1962 DB_FH *registry; /* DB_REGISTER file handle */ 1963 u_int32_t registry_off; /* 1964 * Offset of our slot. We can't use 1965 * off_t because its size depends on 1966 * build settings. 1967 */ 1968 1969#define DB_ENV_AUTO_COMMIT 0x00000001 /* DB_AUTO_COMMIT */ 1970#define DB_ENV_CDB_ALLDB 0x00000002 /* CDB environment wide locking */ 1971#define DB_ENV_DIRECT_DB 0x00000004 /* DB_DIRECT_DB set */ 1972#define DB_ENV_DSYNC_DB 0x00000008 /* DB_DSYNC_DB set */ 1973#define DB_ENV_MULTIVERSION 0x00000010 /* DB_MULTIVERSION set */ 1974#define DB_ENV_NOLOCKING 0x00000020 /* DB_NOLOCKING set */ 1975#define DB_ENV_NOMMAP 0x00000040 /* DB_NOMMAP set */ 1976#define DB_ENV_NOPANIC 0x00000080 /* Okay if panic set */ 1977#define DB_ENV_OVERWRITE 0x00000100 /* DB_OVERWRITE set */ 1978#define DB_ENV_REGION_INIT 0x00000200 /* DB_REGION_INIT set */ 1979#define DB_ENV_RPCCLIENT 0x00000400 /* DB_RPCCLIENT set */ 1980#define DB_ENV_RPCCLIENT_GIVEN 0x00000800 /* User-supplied RPC client struct */ 1981#define DB_ENV_TIME_NOTGRANTED 0x00001000 /* DB_TIME_NOTGRANTED set */ 1982#define DB_ENV_TXN_NOSYNC 0x00002000 /* DB_TXN_NOSYNC set */ 1983#define DB_ENV_TXN_NOWAIT 0x00004000 /* DB_TXN_NOWAIT set */ 1984#define DB_ENV_TXN_SNAPSHOT 0x00008000 /* DB_TXN_SNAPSHOT set */ 1985#define DB_ENV_TXN_WRITE_NOSYNC 0x00010000 /* DB_TXN_WRITE_NOSYNC set */ 1986#define DB_ENV_YIELDCPU 0x00020000 /* DB_YIELDCPU set */ 1987 u_int32_t flags; 1988 1989 /* DB_ENV PUBLIC HANDLE LIST BEGIN */ 1990 int (*cdsgroup_begin) __P((DB_ENV *, DB_TXN **)); 1991 int (*close) __P((DB_ENV *, u_int32_t)); 1992 int (*dbremove) __P((DB_ENV *, 1993 DB_TXN *, const char *, const char *, u_int32_t)); 1994 int (*dbrename) __P((DB_ENV *, 1995 DB_TXN *, const char *, const char *, const char *, u_int32_t)); 1996 void (*err) __P((const DB_ENV *, int, const char *, ...)); 1997 void (*errx) __P((const DB_ENV *, const char *, ...)); 1998 int (*failchk) __P((DB_ENV *, u_int32_t)); 1999 int (*fileid_reset) __P((DB_ENV *, const char *, u_int32_t)); 2000 int (*get_cache_max) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2001 int (*get_cachesize) __P((DB_ENV *, u_int32_t *, u_int32_t *, int *)); 2002 int (*get_data_dirs) __P((DB_ENV *, const char ***)); 2003 int (*get_encrypt_flags) __P((DB_ENV *, u_int32_t *)); 2004 void (*get_errcall) __P((DB_ENV *, 2005 void (**)(const DB_ENV *, const char *, const char *))); 2006 void (*get_errfile) __P((DB_ENV *, FILE **)); 2007 void (*get_errpfx) __P((DB_ENV *, const char **)); 2008 int (*get_flags) __P((DB_ENV *, u_int32_t *)); 2009 int (*get_home) __P((DB_ENV *, const char **)); 2010 int (*get_intermediate_dir_mode) __P((DB_ENV *, const char **)); 2011 int (*get_lg_bsize) __P((DB_ENV *, u_int32_t *)); 2012 int (*get_lg_dir) __P((DB_ENV *, const char **)); 2013 int (*get_lg_filemode) __P((DB_ENV *, int *)); 2014 int (*get_lg_max) __P((DB_ENV *, u_int32_t *)); 2015 int (*get_lg_regionmax) __P((DB_ENV *, u_int32_t *)); 2016 int (*get_lk_conflicts) __P((DB_ENV *, const u_int8_t **, int *)); 2017 int (*get_lk_detect) __P((DB_ENV *, u_int32_t *)); 2018 int (*get_lk_max_lockers) __P((DB_ENV *, u_int32_t *)); 2019 int (*get_lk_max_locks) __P((DB_ENV *, u_int32_t *)); 2020 int (*get_lk_max_objects) __P((DB_ENV *, u_int32_t *)); 2021 int (*get_lk_partitions) __P((DB_ENV *, u_int32_t *)); 2022 int (*get_mp_max_openfd) __P((DB_ENV *, int *)); 2023 int (*get_mp_max_write) __P((DB_ENV *, int *, db_timeout_t *)); 2024 int (*get_mp_mmapsize) __P((DB_ENV *, size_t *)); 2025 void (*get_msgfile) __P((DB_ENV *, FILE **)); 2026 int (*get_open_flags) __P((DB_ENV *, u_int32_t *)); 2027 int (*get_shm_key) __P((DB_ENV *, long *)); 2028 int (*get_thread_count) __P((DB_ENV *, u_int32_t *)); 2029 int (*get_timeout) __P((DB_ENV *, db_timeout_t *, u_int32_t)); 2030 int (*get_tmp_dir) __P((DB_ENV *, const char **)); 2031 int (*get_tx_max) __P((DB_ENV *, u_int32_t *)); 2032 int (*get_tx_timestamp) __P((DB_ENV *, time_t *)); 2033 int (*get_verbose) __P((DB_ENV *, u_int32_t, int *)); 2034 int (*is_bigendian) __P((void)); 2035 int (*lock_detect) __P((DB_ENV *, u_int32_t, u_int32_t, int *)); 2036 int (*lock_get) __P((DB_ENV *, 2037 u_int32_t, u_int32_t, const DBT *, db_lockmode_t, DB_LOCK *)); 2038 int (*lock_id) __P((DB_ENV *, u_int32_t *)); 2039 int (*lock_id_free) __P((DB_ENV *, u_int32_t)); 2040 int (*lock_put) __P((DB_ENV *, DB_LOCK *)); 2041 int (*lock_stat) __P((DB_ENV *, DB_LOCK_STAT **, u_int32_t)); 2042 int (*lock_stat_print) __P((DB_ENV *, u_int32_t)); 2043 int (*lock_vec) __P((DB_ENV *, 2044 u_int32_t, u_int32_t, DB_LOCKREQ *, int, DB_LOCKREQ **)); 2045 int (*log_archive) __P((DB_ENV *, char **[], u_int32_t)); 2046 int (*log_cursor) __P((DB_ENV *, DB_LOGC **, u_int32_t)); 2047 int (*log_file) __P((DB_ENV *, const DB_LSN *, char *, size_t)); 2048 int (*log_flush) __P((DB_ENV *, const DB_LSN *)); 2049 int (*log_get_config) __P((DB_ENV *, u_int32_t, int *)); 2050 int (*log_printf) __P((DB_ENV *, DB_TXN *, const char *, ...)); 2051 int (*log_put) __P((DB_ENV *, DB_LSN *, const DBT *, u_int32_t)); 2052 int (*log_set_config) __P((DB_ENV *, u_int32_t, int)); 2053 int (*log_stat) __P((DB_ENV *, DB_LOG_STAT **, u_int32_t)); 2054 int (*log_stat_print) __P((DB_ENV *, u_int32_t)); 2055 int (*lsn_reset) __P((DB_ENV *, const char *, u_int32_t)); 2056 int (*memp_fcreate) __P((DB_ENV *, DB_MPOOLFILE **, u_int32_t)); 2057 int (*memp_register) __P((DB_ENV *, int, int (*)(DB_ENV *, db_pgno_t, 2058 void *, DBT *), int (*)(DB_ENV *, db_pgno_t, void *, DBT *))); 2059 int (*memp_stat) __P((DB_ENV *, 2060 DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, u_int32_t)); 2061 int (*memp_stat_print) __P((DB_ENV *, u_int32_t)); 2062 int (*memp_sync) __P((DB_ENV *, DB_LSN *)); 2063 int (*memp_trickle) __P((DB_ENV *, int, int *)); 2064 int (*mutex_alloc) __P((DB_ENV *, u_int32_t, db_mutex_t *)); 2065 int (*mutex_free) __P((DB_ENV *, db_mutex_t)); 2066 int (*mutex_get_align) __P((DB_ENV *, u_int32_t *)); 2067 int (*mutex_get_increment) __P((DB_ENV *, u_int32_t *)); 2068 int (*mutex_get_max) __P((DB_ENV *, u_int32_t *)); 2069 int (*mutex_get_tas_spins) __P((DB_ENV *, u_int32_t *)); 2070 int (*mutex_lock) __P((DB_ENV *, db_mutex_t)); 2071 int (*mutex_set_align) __P((DB_ENV *, u_int32_t)); 2072 int (*mutex_set_increment) __P((DB_ENV *, u_int32_t)); 2073 int (*mutex_set_max) __P((DB_ENV *, u_int32_t)); 2074 int (*mutex_set_tas_spins) __P((DB_ENV *, u_int32_t)); 2075 int (*mutex_stat) __P((DB_ENV *, DB_MUTEX_STAT **, u_int32_t)); 2076 int (*mutex_stat_print) __P((DB_ENV *, u_int32_t)); 2077 int (*mutex_unlock) __P((DB_ENV *, db_mutex_t)); 2078 int (*open) __P((DB_ENV *, const char *, u_int32_t, int)); 2079 int (*remove) __P((DB_ENV *, const char *, u_int32_t)); 2080 int (*rep_elect) __P((DB_ENV *, u_int32_t, u_int32_t, u_int32_t)); 2081 int (*rep_flush) __P((DB_ENV *)); 2082 int (*rep_get_clockskew) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2083 int (*rep_get_config) __P((DB_ENV *, u_int32_t, int *)); 2084 int (*rep_get_limit) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2085 int (*rep_get_nsites) __P((DB_ENV *, u_int32_t *)); 2086 int (*rep_get_priority) __P((DB_ENV *, u_int32_t *)); 2087 int (*rep_get_request) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2088 int (*rep_get_timeout) __P((DB_ENV *, int, u_int32_t *)); 2089 int (*rep_process_message) 2090 __P((DB_ENV *, DBT *, DBT *, int, DB_LSN *)); 2091 int (*rep_set_clockskew) __P((DB_ENV *, u_int32_t, u_int32_t)); 2092 int (*rep_set_config) __P((DB_ENV *, u_int32_t, int)); 2093 int (*rep_set_limit) __P((DB_ENV *, u_int32_t, u_int32_t)); 2094 int (*rep_set_nsites) __P((DB_ENV *, u_int32_t)); 2095 int (*rep_set_priority) __P((DB_ENV *, u_int32_t)); 2096 int (*rep_set_request) __P((DB_ENV *, u_int32_t, u_int32_t)); 2097 int (*rep_set_timeout) __P((DB_ENV *, int, db_timeout_t)); 2098 int (*rep_set_transport) __P((DB_ENV *, int, int (*)(DB_ENV *, 2099 const DBT *, const DBT *, const DB_LSN *, int, u_int32_t))); 2100 int (*rep_start) __P((DB_ENV *, DBT *, u_int32_t)); 2101 int (*rep_stat) __P((DB_ENV *, DB_REP_STAT **, u_int32_t)); 2102 int (*rep_stat_print) __P((DB_ENV *, u_int32_t)); 2103 int (*rep_sync) __P((DB_ENV *, u_int32_t)); 2104 int (*repmgr_add_remote_site) 2105 __P((DB_ENV *, const char *, u_int, int *, u_int32_t)); 2106 int (*repmgr_get_ack_policy) __P((DB_ENV *, int *)); 2107 int (*repmgr_set_ack_policy) __P((DB_ENV *, int)); 2108 int (*repmgr_set_local_site) 2109 __P((DB_ENV *, const char *, u_int, u_int32_t)); 2110 int (*repmgr_site_list) 2111 __P((DB_ENV *, u_int *, DB_REPMGR_SITE **)); 2112 int (*repmgr_start) __P((DB_ENV *, int, u_int32_t)); 2113 int (*repmgr_stat) __P((DB_ENV *, DB_REPMGR_STAT **, u_int32_t)); 2114 int (*repmgr_stat_print) __P((DB_ENV *, u_int32_t)); 2115 int (*set_alloc) __P((DB_ENV *, void *(*)(size_t), 2116 void *(*)(void *, size_t), void (*)(void *))); 2117 int (*set_app_dispatch) 2118 __P((DB_ENV *, int (*)(DB_ENV *, DBT *, DB_LSN *, db_recops))); 2119 int (*set_cache_max) __P((DB_ENV *, u_int32_t, u_int32_t)); 2120 int (*set_cachesize) __P((DB_ENV *, u_int32_t, u_int32_t, int)); 2121 int (*set_data_dir) __P((DB_ENV *, const char *)); 2122 int (*set_encrypt) __P((DB_ENV *, const char *, u_int32_t)); 2123 void (*set_errcall) __P((DB_ENV *, 2124 void (*)(const DB_ENV *, const char *, const char *))); 2125 void (*set_errfile) __P((DB_ENV *, FILE *)); 2126 void (*set_errpfx) __P((DB_ENV *, const char *)); 2127 int (*set_event_notify) 2128 __P((DB_ENV *, void (*)(DB_ENV *, u_int32_t, void *))); 2129 int (*set_feedback) __P((DB_ENV *, void (*)(DB_ENV *, int, int))); 2130 int (*set_flags) __P((DB_ENV *, u_int32_t, int)); 2131 int (*set_intermediate_dir_mode) __P((DB_ENV *, const char *)); 2132 int (*set_isalive) __P((DB_ENV *, 2133 int (*)(DB_ENV *, pid_t, db_threadid_t, u_int32_t))); 2134 int (*set_lg_bsize) __P((DB_ENV *, u_int32_t)); 2135 int (*set_lg_dir) __P((DB_ENV *, const char *)); 2136 int (*set_lg_filemode) __P((DB_ENV *, int)); 2137 int (*set_lg_max) __P((DB_ENV *, u_int32_t)); 2138 int (*set_lg_regionmax) __P((DB_ENV *, u_int32_t)); 2139 int (*set_lk_conflicts) __P((DB_ENV *, u_int8_t *, int)); 2140 int (*set_lk_detect) __P((DB_ENV *, u_int32_t)); 2141 int (*set_lk_max_lockers) __P((DB_ENV *, u_int32_t)); 2142 int (*set_lk_max_locks) __P((DB_ENV *, u_int32_t)); 2143 int (*set_lk_max_objects) __P((DB_ENV *, u_int32_t)); 2144 int (*set_lk_partitions) __P((DB_ENV *, u_int32_t)); 2145 int (*set_mp_max_openfd) __P((DB_ENV *, int)); 2146 int (*set_mp_max_write) __P((DB_ENV *, int, db_timeout_t)); 2147 int (*set_mp_mmapsize) __P((DB_ENV *, size_t)); 2148 void (*set_msgcall) 2149 __P((DB_ENV *, void (*)(const DB_ENV *, const char *))); 2150 void (*set_msgfile) __P((DB_ENV *, FILE *)); 2151 int (*set_paniccall) __P((DB_ENV *, void (*)(DB_ENV *, int))); 2152 int (*set_rpc_server) 2153 __P((DB_ENV *, void *, const char *, long, long, u_int32_t)); 2154 int (*set_shm_key) __P((DB_ENV *, long)); 2155 int (*set_thread_count) __P((DB_ENV *, u_int32_t)); 2156 int (*set_thread_id) 2157 __P((DB_ENV *, void (*)(DB_ENV *, pid_t *, db_threadid_t *))); 2158 int (*set_thread_id_string) __P((DB_ENV *, 2159 char *(*)(DB_ENV *, pid_t, db_threadid_t, char *))); 2160 int (*set_timeout) __P((DB_ENV *, db_timeout_t, u_int32_t)); 2161 int (*set_tmp_dir) __P((DB_ENV *, const char *)); 2162 int (*set_tx_max) __P((DB_ENV *, u_int32_t)); 2163 int (*set_tx_timestamp) __P((DB_ENV *, time_t *)); 2164 int (*set_verbose) __P((DB_ENV *, u_int32_t, int)); 2165 int (*stat_print) __P((DB_ENV *, u_int32_t)); 2166 int (*txn_begin) __P((DB_ENV *, DB_TXN *, DB_TXN **, u_int32_t)); 2167 int (*txn_checkpoint) __P((DB_ENV *, u_int32_t, u_int32_t, u_int32_t)); 2168 int (*txn_recover) 2169 __P((DB_ENV *, DB_PREPLIST *, long, long *, u_int32_t)); 2170 int (*txn_stat) __P((DB_ENV *, DB_TXN_STAT **, u_int32_t)); 2171 int (*txn_stat_print) __P((DB_ENV *, u_int32_t)); 2172 /* DB_ENV PUBLIC HANDLE LIST END */ 2173 2174 /* DB_ENV PRIVATE HANDLE LIST BEGIN */ 2175 int (*prdbt) __P((DBT *, 2176 int, const char *, void *, int (*)(void *, const void *), int)); 2177 /* DB_ENV PRIVATE HANDLE LIST END */ 2178}; 2179 2180/* 2181 * Dispatch structure for recovery and print routines. Since internal and 2182 * external routines take different arguments (ENV versus DB_ENV), we need 2183 * something more elaborate than a single pointer and size. 2184 */ 2185struct __db_distab { 2186 int (**int_dispatch) __P((ENV *, DBT *, DB_LSN *, db_recops, void *)); 2187 size_t int_size; 2188 int (**ext_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops)); 2189 size_t ext_size; 2190}; 2191 2192#ifndef DB_DBM_HSEARCH 2193#define DB_DBM_HSEARCH 0 /* No historic interfaces by default. */ 2194#endif 2195#if DB_DBM_HSEARCH != 0 2196/******************************************************* 2197 * Dbm/Ndbm historic interfaces. 2198 *******************************************************/ 2199typedef struct __db DBM; 2200 2201#define DBM_INSERT 0 /* Flags to dbm_store(). */ 2202#define DBM_REPLACE 1 2203 2204/* 2205 * The DB support for ndbm(3) always appends this suffix to the 2206 * file name to avoid overwriting the user's original database. 2207 */ 2208#define DBM_SUFFIX ".db" 2209 2210#if defined(_XPG4_2) 2211typedef struct { 2212 char *dptr; 2213 size_t dsize; 2214} datum; 2215#else 2216typedef struct { 2217 char *dptr; 2218 int dsize; 2219} datum; 2220#endif 2221 2222/* 2223 * Translate NDBM calls into DB calls so that DB doesn't step on the 2224 * application's name space. 2225 */ 2226#define dbm_clearerr(a) __db_ndbm_clearerr(a) 2227#define dbm_close(a) __db_ndbm_close(a) 2228#define dbm_delete(a, b) __db_ndbm_delete(a, b) 2229#define dbm_dirfno(a) __db_ndbm_dirfno(a) 2230#define dbm_error(a) __db_ndbm_error(a) 2231#define dbm_fetch(a, b) __db_ndbm_fetch(a, b) 2232#define dbm_firstkey(a) __db_ndbm_firstkey(a) 2233#define dbm_nextkey(a) __db_ndbm_nextkey(a) 2234#define dbm_open(a, b, c) __db_ndbm_open(a, b, c) 2235#define dbm_pagfno(a) __db_ndbm_pagfno(a) 2236#define dbm_rdonly(a) __db_ndbm_rdonly(a) 2237#define dbm_store(a, b, c, d) \ 2238 __db_ndbm_store(a, b, c, d) 2239 2240/* 2241 * Translate DBM calls into DB calls so that DB doesn't step on the 2242 * application's name space. 2243 * 2244 * The global variables dbrdonly, dirf and pagf were not retained when 4BSD 2245 * replaced the dbm interface with ndbm, and are not supported here. 2246 */ 2247#define dbminit(a) __db_dbm_init(a) 2248#define dbmclose __db_dbm_close 2249#if !defined(__cplusplus) 2250#define delete(a) __db_dbm_delete(a) 2251#endif 2252#define fetch(a) __db_dbm_fetch(a) 2253#define firstkey __db_dbm_firstkey 2254#define nextkey(a) __db_dbm_nextkey(a) 2255#define store(a, b) __db_dbm_store(a, b) 2256 2257/******************************************************* 2258 * Hsearch historic interface. 2259 *******************************************************/ 2260typedef enum { 2261 FIND, ENTER 2262} ACTION; 2263 2264typedef struct entry { 2265 char *key; 2266 char *data; 2267} ENTRY; 2268 2269#define hcreate(a) __db_hcreate(a) 2270#define hdestroy __db_hdestroy 2271#define hsearch(a, b) __db_hsearch(a, b) 2272 2273#endif /* DB_DBM_HSEARCH */ 2274 2275#if defined(__cplusplus) 2276} 2277#endif 2278 2279/* Restore default compiler warnings */ 2280#ifdef _MSC_VER 2281#pragma warning(pop) 2282#endif 2283#endif /* !_DB_H_ */ 2284/* DO NOT EDIT: automatically built by dist/s_apiflags. */ 2285#define DB_AGGRESSIVE 0x00000001 2286#define DB_ARCH_ABS 0x00000001 2287#define DB_ARCH_DATA 0x00000002 2288#define DB_ARCH_LOG 0x00000004 2289#define DB_ARCH_REMOVE 0x00000008 2290#define DB_AUTO_COMMIT 0x00000100 2291#define DB_CDB_ALLDB 0x00000004 2292#define DB_CHKSUM 0x00000004 2293#define DB_CKP_INTERNAL 0x00000002 2294#define DB_CREATE 0x00000001 2295#define DB_CXX_NO_EXCEPTIONS 0x00000002 2296#define DB_DIRECT 0x00000002 2297#define DB_DIRECT_DB 0x00000040 2298#define DB_DSYNC_DB 0x00000080 2299#define DB_DUP 0x00000008 2300#define DB_DUPSORT 0x00000002 2301#define DB_DURABLE_UNKNOWN 0x00000020 2302#define DB_ENCRYPT 0x00000001 2303#define DB_ENCRYPT_AES 0x00000001 2304#define DB_EXCL 0x00000400 2305#define DB_EXTENT 0x00000004 2306#define DB_FAST_STAT 0x00000001 2307#define DB_FCNTL_LOCKING 0x00001000 2308#define DB_FLUSH 0x00000001 2309#define DB_FORCE 0x00000001 2310#define DB_FOREIGN_ABORT 0x00000001 2311#define DB_FOREIGN_CASCADE 0x00000002 2312#define DB_FOREIGN_NULLIFY 0x00000004 2313#define DB_FREELIST_ONLY 0x00000001 2314#define DB_FREE_SPACE 0x00000002 2315#define DB_IGNORE_LEASE 0x00001000 2316#define DB_IMMUTABLE_KEY 0x00000002 2317#define DB_INIT_CDB 0x00000020 2318#define DB_INIT_LOCK 0x00000040 2319#define DB_INIT_LOG 0x00000080 2320#define DB_INIT_MPOOL 0x00000100 2321#define DB_INIT_REP 0x00000200 2322#define DB_INIT_TXN 0x00000400 2323#define DB_INORDER 0x00000010 2324#define DB_JOIN_NOSORT 0x00000001 2325#define DB_LOCKDOWN 0x00000800 2326#define DB_LOCK_NOWAIT 0x00000001 2327#define DB_LOCK_RECORD 0x00000002 2328#define DB_LOCK_SET_TIMEOUT 0x00000004 2329#define DB_LOCK_SWITCH 0x00000008 2330#define DB_LOCK_UPGRADE 0x00000010 2331#define DB_LOG_AUTO_REMOVE 0x00000004 2332#define DB_LOG_CHKPNT 0x00000002 2333#define DB_LOG_COMMIT 0x00000004 2334#define DB_LOG_DIRECT 0x00000001 2335#define DB_LOG_DSYNC 0x00000002 2336#define DB_LOG_IN_MEMORY 0x00000008 2337#define DB_LOG_NOCOPY 0x00000008 2338#define DB_LOG_NOT_DURABLE 0x00000010 2339#define DB_LOG_WRNOSYNC 0x00000020 2340#define DB_LOG_ZERO 0x00000010 2341#define DB_MPOOL_CREATE 0x00000001 2342#define DB_MPOOL_DIRTY 0x00000002 2343#define DB_MPOOL_DISCARD 0x00000001 2344#define DB_MPOOL_EDIT 0x00000004 2345#define DB_MPOOL_FREE 0x00000008 2346#define DB_MPOOL_LAST 0x00000010 2347#define DB_MPOOL_NEW 0x00000020 2348#define DB_MPOOL_NOFILE 0x00000001 2349#define DB_MPOOL_NOLOCK 0x00000002 2350#define DB_MPOOL_UNLINK 0x00000002 2351#define DB_MULTIPLE 0x00002000 2352#define DB_MULTIPLE_KEY 0x00000100 2353#define DB_MULTIVERSION 0x00000008 2354#define DB_MUTEX_ALLOCATED 0x00000001 2355#define DB_MUTEX_LOCKED 0x00000002 2356#define DB_MUTEX_LOGICAL_LOCK 0x00000004 2357#define DB_MUTEX_PROCESS_ONLY 0x00000008 2358#define DB_MUTEX_SELF_BLOCK 0x00000010 2359#define DB_NOLOCKING 0x00000200 2360#define DB_NOMMAP 0x00000010 2361#define DB_NOORDERCHK 0x00000002 2362#define DB_NOPANIC 0x00000400 2363#define DB_NO_AUTO_COMMIT 0x00002000 2364#define DB_ODDFILESIZE 0x00000040 2365#define DB_ORDERCHKONLY 0x00000004 2366#define DB_OVERWRITE 0x00001000 2367#define DB_PANIC_ENVIRONMENT 0x00002000 2368#define DB_PRINTABLE 0x00000008 2369#define DB_PRIVATE 0x00001000 2370#define DB_PR_PAGE 0x00000010 2371#define DB_PR_RECOVERYTEST 0x00000020 2372#define DB_RDONLY 0x00000080 2373#define DB_RDWRMASTER 0x00004000 2374#define DB_READ_COMMITTED 0x00000400 2375#define DB_READ_UNCOMMITTED 0x00000200 2376#define DB_RECNUM 0x00000020 2377#define DB_RECOVER 0x00000010 2378#define DB_RECOVER_FATAL 0x00002000 2379#define DB_REGION_INIT 0x00004000 2380#define DB_REGISTER 0x00004000 2381#define DB_RENUMBER 0x00000040 2382#define DB_REPMGR_CONF_2SITE_STRICT 0x00000001 2383#define DB_REPMGR_PEER 0x00000001 2384#define DB_REP_ANYWHERE 0x00000001 2385#define DB_REP_CLIENT 0x00000001 2386#define DB_REP_CONF_BULK 0x00000002 2387#define DB_REP_CONF_DELAYCLIENT 0x00000004 2388#define DB_REP_CONF_LEASE 0x00000008 2389#define DB_REP_CONF_NOAUTOINIT 0x00000010 2390#define DB_REP_CONF_NOWAIT 0x00000020 2391#define DB_REP_ELECTION 0x00000004 2392#define DB_REP_MASTER 0x00000002 2393#define DB_REP_NOBUFFER 0x00000002 2394#define DB_REP_PERMANENT 0x00000004 2395#define DB_REP_REREQUEST 0x00000008 2396#define DB_REVSPLITOFF 0x00000080 2397#define DB_RMW 0x00000800 2398#define DB_RPCCLIENT 0x00000001 2399#define DB_SALVAGE 0x00000040 2400#define DB_SA_SKIPFIRSTKEY 0x00010000 2401#define DB_SEQ_DEC 0x00000001 2402#define DB_SEQ_INC 0x00000002 2403#define DB_SEQ_RANGE_SET 0x00000004 2404#define DB_SEQ_WRAP 0x00000008 2405#define DB_SEQ_WRAPPED 0x00000010 2406#define DB_SET_LOCK_TIMEOUT 0x00000002 2407#define DB_SET_TXN_NOW 0x00000004 2408#define DB_SET_TXN_TIMEOUT 0x00000001 2409#define DB_SNAPSHOT 0x00000100 2410#define DB_STAT_ALL 0x00000002 2411#define DB_STAT_CLEAR 0x00000001 2412#define DB_STAT_LOCK_CONF 0x00000004 2413#define DB_STAT_LOCK_LOCKERS 0x00000008 2414#define DB_STAT_LOCK_OBJECTS 0x00000010 2415#define DB_STAT_LOCK_PARAMS 0x00000020 2416#define DB_STAT_MEMP_HASH 0x00000004 2417#define DB_STAT_MEMP_NOERROR 0x00000008 2418#define DB_STAT_SUBSYSTEM 0x00000004 2419#define DB_ST_DUPOK 0x00000100 2420#define DB_ST_DUPSET 0x00000200 2421#define DB_ST_DUPSORT 0x00000400 2422#define DB_ST_IS_RECNO 0x00000800 2423#define DB_ST_OVFL_LEAF 0x00001000 2424#define DB_ST_RECNUM 0x00002000 2425#define DB_ST_RELEN 0x00004000 2426#define DB_ST_TOPLEVEL 0x00008000 2427#define DB_SYSTEM_MEM 0x00008000 2428#define DB_THREAD 0x00000004 2429#define DB_TIME_NOTGRANTED 0x00008000 2430#define DB_TRUNCATE 0x00008000 2431#define DB_TXN_NOSYNC 0x00000001 2432#define DB_TXN_NOT_DURABLE 0x00000200 2433#define DB_TXN_NOWAIT 0x00000002 2434#define DB_TXN_SNAPSHOT 0x00000800 2435#define DB_TXN_SYNC 0x00000004 2436#define DB_TXN_WAIT 0x00000008 2437#define DB_TXN_WRITE_NOSYNC 0x00000020 2438#define DB_UNREF 0x00000080 2439#define DB_UPGRADE 0x00000001 2440#define DB_USE_ENVIRON 0x00000002 2441#define DB_USE_ENVIRON_ROOT 0x00000008 2442#define DB_VERB_DEADLOCK 0x00000001 2443#define DB_VERB_FILEOPS 0x00000002 2444#define DB_VERB_FILEOPS_ALL 0x00000004 2445#define DB_VERB_RECOVERY 0x00000008 2446#define DB_VERB_REGISTER 0x00000010 2447#define DB_VERB_REPLICATION 0x00000020 2448#define DB_VERB_REPMGR_CONNFAIL 0x00000040 2449#define DB_VERB_REPMGR_MISC 0x00000080 2450#define DB_VERB_REP_ELECT 0x00000100 2451#define DB_VERB_REP_LEASE 0x00000200 2452#define DB_VERB_REP_MISC 0x00000400 2453#define DB_VERB_REP_MSGS 0x00000800 2454#define DB_VERB_REP_SYNC 0x00001000 2455#define DB_VERB_WAITSFOR 0x00002000 2456#define DB_VERIFY 0x00000002 2457#define DB_WRITEOPEN 0x00010000 2458#define DB_XA_CREATE 0x00000800 2459#define DB_YIELDCPU 0x00010000 2460 2461/* DO NOT EDIT: automatically built by dist/s_include. */ 2462#ifndef _DB_EXT_PROT_IN_ 2463#define _DB_EXT_PROT_IN_ 2464 2465#if defined(__cplusplus) 2466extern "C" { 2467#endif 2468 2469int db_create __P((DB **, DB_ENV *, u_int32_t)); 2470char *db_strerror __P((int)); 2471int db_env_set_func_close __P((int (*)(int))); 2472int db_env_set_func_dirfree __P((void (*)(char **, int))); 2473int db_env_set_func_dirlist __P((int (*)(const char *, char ***, int *))); 2474int db_env_set_func_exists __P((int (*)(const char *, int *))); 2475int db_env_set_func_free __P((void (*)(void *))); 2476int db_env_set_func_fsync __P((int (*)(int))); 2477int db_env_set_func_ftruncate __P((int (*)(int, off_t))); 2478int db_env_set_func_ioinfo __P((int (*)(const char *, int, u_int32_t *, u_int32_t *, u_int32_t *))); 2479int db_env_set_func_malloc __P((void *(*)(size_t))); 2480int db_env_set_func_file_map __P((int (*)(DB_ENV *, char *, size_t, int, void **), int (*)(DB_ENV *, void *))); 2481int db_env_set_func_region_map __P((int (*)(DB_ENV *, char *, size_t, int *, void **), int (*)(DB_ENV *, void *))); 2482int db_env_set_func_pread __P((ssize_t (*)(int, void *, size_t, off_t))); 2483int db_env_set_func_pwrite __P((ssize_t (*)(int, const void *, size_t, off_t))); 2484int db_env_set_func_open __P((int (*)(const char *, int, ...))); 2485int db_env_set_func_read __P((ssize_t (*)(int, void *, size_t))); 2486int db_env_set_func_realloc __P((void *(*)(void *, size_t))); 2487int db_env_set_func_rename __P((int (*)(const char *, const char *))); 2488int db_env_set_func_seek __P((int (*)(int, off_t, int))); 2489int db_env_set_func_unlink __P((int (*)(const char *))); 2490int db_env_set_func_write __P((ssize_t (*)(int, const void *, size_t))); 2491int db_env_set_func_yield __P((int (*)(u_long, u_long))); 2492int db_env_create __P((DB_ENV **, u_int32_t)); 2493char *db_version __P((int *, int *, int *)); 2494int log_compare __P((const DB_LSN *, const DB_LSN *)); 2495int db_sequence_create __P((DB_SEQUENCE **, DB *, u_int32_t)); 2496#if DB_DBM_HSEARCH != 0 2497int __db_ndbm_clearerr __P((DBM *)); 2498void __db_ndbm_close __P((DBM *)); 2499int __db_ndbm_delete __P((DBM *, datum)); 2500int __db_ndbm_dirfno __P((DBM *)); 2501int __db_ndbm_error __P((DBM *)); 2502datum __db_ndbm_fetch __P((DBM *, datum)); 2503datum __db_ndbm_firstkey __P((DBM *)); 2504datum __db_ndbm_nextkey __P((DBM *)); 2505DBM *__db_ndbm_open __P((const char *, int, int)); 2506int __db_ndbm_pagfno __P((DBM *)); 2507int __db_ndbm_rdonly __P((DBM *)); 2508int __db_ndbm_store __P((DBM *, datum, datum, int)); 2509int __db_dbm_close __P((void)); 2510int __db_dbm_delete __P((datum)); 2511datum __db_dbm_fetch __P((datum)); 2512datum __db_dbm_firstkey __P((void)); 2513int __db_dbm_init __P((char *)); 2514datum __db_dbm_nextkey __P((datum)); 2515int __db_dbm_store __P((datum, datum)); 2516#endif 2517#if DB_DBM_HSEARCH != 0 2518int __db_hcreate __P((size_t)); 2519ENTRY *__db_hsearch __P((ENTRY, ACTION)); 2520void __db_hdestroy __P((void)); 2521#endif 2522 2523#if defined(__cplusplus) 2524} 2525#endif 2526#endif /* !_DB_EXT_PROT_IN_ */ 2527