1/* DO NOT EDIT: automatically built by dist/s_s60. */ 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#include <pthread.h> 29#endif 30 31#if defined(__cplusplus) 32extern "C" { 33#endif 34 35 36#undef __P 37#define __P(protos) protos 38 39/* 40 * Berkeley DB version information. 41 */ 42#define DB_VERSION_MAJOR 4 43#define DB_VERSION_MINOR 7 44#define DB_VERSION_PATCH 25 45#define DB_VERSION_STRING "Berkeley DB 4.7.25: (May 15, 2008)" 46 47/* 48 * !!! 49 * Berkeley DB uses specifically sized types. If they're not provided by 50 * the system, typedef them here. 51 * 52 * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__, 53 * as does BIND and Kerberos, since we don't know for sure what #include 54 * files the user is using. 55 * 56 * !!! 57 * We also provide the standard u_int, u_long etc., if they're not provided 58 * by the system. 59 */ 60#ifndef __BIT_TYPES_DEFINED__ 61#define __BIT_TYPES_DEFINED__ 62#endif 63 64 65/* 66 * Missing ANSI types. 67 * 68 * uintmax_t -- 69 * Largest unsigned type, used to align structures in memory. We don't store 70 * floating point types in structures, so integral types should be sufficient 71 * (and we don't have to worry about systems that store floats in other than 72 * power-of-2 numbers of bytes). Additionally this fixes compilers that rewrite 73 * structure assignments and ANSI C memcpy calls to be in-line instructions 74 * that happen to require alignment. 75 * 76 * uintptr_t -- 77 * Unsigned type that's the same size as a pointer. There are places where 78 * DB modifies pointers by discarding the bottom bits to guarantee alignment. 79 * We can't use uintmax_t, it may be larger than the pointer, and compilers 80 * get upset about that. So far we haven't run on any machine where there's 81 * no unsigned type the same size as a pointer -- here's hoping. 82 */ 83typedef unsigned long uintmax_t; 84 85 86/* 87 * Sequences are only available on machines with 64-bit integral types. 88 */ 89typedef int32_t db_seq_t; 90 91/* Thread and process identification. */ 92typedef pthread_t db_threadid_t; 93 94/* Basic types that are exported or quasi-exported. */ 95typedef u_int32_t db_pgno_t; /* Page number type. */ 96typedef u_int16_t db_indx_t; /* Page offset type. */ 97#define DB_MAX_PAGES 0xffffffff /* >= # of pages in a file */ 98 99typedef u_int32_t db_recno_t; /* Record number type. */ 100#define DB_MAX_RECORDS 0xffffffff /* >= # of records in a tree */ 101 102typedef u_int32_t db_timeout_t; /* Type of a timeout. */ 103 104/* 105 * Region offsets are the difference between a pointer in a region and the 106 * region's base address. With private environments, both addresses are the 107 * result of calling malloc, and we can't assume anything about what malloc 108 * will return, so region offsets have to be able to hold differences between 109 * arbitrary pointers. 110 */ 111typedef uintptr_t roff_t; 112 113/* 114 * Forward structure declarations, so we can declare pointers and 115 * applications can get type checking. 116 */ 117struct __db; typedef struct __db DB; 118struct __db_bt_stat; typedef struct __db_bt_stat DB_BTREE_STAT; 119struct __db_cipher; typedef struct __db_cipher DB_CIPHER; 120struct __db_compact; typedef struct __db_compact DB_COMPACT; 121struct __db_dbt; typedef struct __db_dbt DBT; 122struct __db_distab; typedef struct __db_distab DB_DISTAB; 123struct __db_env; typedef struct __db_env DB_ENV; 124struct __db_h_stat; typedef struct __db_h_stat DB_HASH_STAT; 125struct __db_ilock; typedef struct __db_ilock DB_LOCK_ILOCK; 126struct __db_lock_hstat; typedef struct __db_lock_hstat DB_LOCK_HSTAT; 127struct __db_lock_pstat; typedef struct __db_lock_pstat DB_LOCK_PSTAT; 128struct __db_lock_stat; typedef struct __db_lock_stat DB_LOCK_STAT; 129struct __db_lock_u; typedef struct __db_lock_u DB_LOCK; 130struct __db_locker; typedef struct __db_locker DB_LOCKER; 131struct __db_lockreq; typedef struct __db_lockreq DB_LOCKREQ; 132struct __db_locktab; typedef struct __db_locktab DB_LOCKTAB; 133struct __db_log; typedef struct __db_log DB_LOG; 134struct __db_log_cursor; typedef struct __db_log_cursor DB_LOGC; 135struct __db_log_stat; typedef struct __db_log_stat DB_LOG_STAT; 136struct __db_lsn; typedef struct __db_lsn DB_LSN; 137struct __db_mpool; typedef struct __db_mpool DB_MPOOL; 138struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT; 139struct __db_mpool_stat; typedef struct __db_mpool_stat DB_MPOOL_STAT; 140struct __db_mpoolfile; typedef struct __db_mpoolfile DB_MPOOLFILE; 141struct __db_mutex_stat; typedef struct __db_mutex_stat DB_MUTEX_STAT; 142struct __db_mutex_t; typedef struct __db_mutex_t DB_MUTEX; 143struct __db_mutexmgr; typedef struct __db_mutexmgr DB_MUTEXMGR; 144struct __db_preplist; typedef struct __db_preplist DB_PREPLIST; 145struct __db_qam_stat; typedef struct __db_qam_stat DB_QUEUE_STAT; 146struct __db_rep; typedef struct __db_rep DB_REP; 147struct __db_rep_stat; typedef struct __db_rep_stat DB_REP_STAT; 148struct __db_repmgr_site;typedef struct __db_repmgr_site DB_REPMGR_SITE; 149struct __db_repmgr_stat;typedef struct __db_repmgr_stat DB_REPMGR_STAT; 150struct __db_seq_record; typedef struct __db_seq_record DB_SEQ_RECORD; 151struct __db_seq_stat; typedef struct __db_seq_stat DB_SEQUENCE_STAT; 152struct __db_sequence; typedef struct __db_sequence DB_SEQUENCE; 153struct __db_thread_info;typedef struct __db_thread_info DB_THREAD_INFO; 154struct __db_txn; typedef struct __db_txn DB_TXN; 155struct __db_txn_active; typedef struct __db_txn_active DB_TXN_ACTIVE; 156struct __db_txn_stat; typedef struct __db_txn_stat DB_TXN_STAT; 157struct __db_txnmgr; typedef struct __db_txnmgr DB_TXNMGR; 158struct __dbc; typedef struct __dbc DBC; 159struct __dbc_internal; typedef struct __dbc_internal DBC_INTERNAL; 160struct __env; typedef struct __env ENV; 161struct __fh_t; typedef struct __fh_t DB_FH; 162struct __fname; typedef struct __fname FNAME; 163struct __key_range; typedef struct __key_range DB_KEY_RANGE; 164struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE; 165 166/* 167 * The Berkeley DB API flags are automatically-generated -- the following flag names are 168 * no longer used, but remain for compatibility reasons. 169 */ 170#define DB_DEGREE_2 DB_READ_COMMITTED 171#define DB_DIRTY_READ DB_READ_UNCOMMITTED 172#define DB_JOINENV 0x0 173 174/* Key/data structure -- a Data-Base Thang. */ 175struct __db_dbt { 176 void *data; /* Key/data */ 177 u_int32_t size; /* key/data length */ 178 179 u_int32_t ulen; /* RO: length of user buffer. */ 180 u_int32_t dlen; /* RO: get/put record length. */ 181 u_int32_t doff; /* RO: get/put record offset. */ 182 183 void *app_data; 184 185#define DB_DBT_APPMALLOC 0x001 /* Callback allocated memory. */ 186#define DB_DBT_DUPOK 0x002 /* Insert if duplicate. */ 187#define DB_DBT_ISSET 0x004 /* Lower level calls set value. */ 188#define DB_DBT_MALLOC 0x008 /* Return in malloc'd memory. */ 189#define DB_DBT_MULTIPLE 0x010 /* References multiple records. */ 190#define DB_DBT_PARTIAL 0x020 /* Partial put/get. */ 191#define DB_DBT_REALLOC 0x040 /* Return in realloc'd memory. */ 192#define DB_DBT_USERCOPY 0x080 /* Use the user-supplied callback. */ 193#define DB_DBT_USERMEM 0x100 /* Return in user's memory. */ 194 u_int32_t flags; 195}; 196 197/******************************************************* 198 * Mutexes. 199 *******************************************************/ 200typedef u_int32_t db_mutex_t; 201 202struct __db_mutex_stat { 203 /* The following fields are maintained in the region's copy. */ 204 u_int32_t st_mutex_align; /* Mutex alignment */ 205 u_int32_t st_mutex_tas_spins; /* Mutex test-and-set spins */ 206 u_int32_t st_mutex_cnt; /* Mutex count */ 207 u_int32_t st_mutex_free; /* Available mutexes */ 208 u_int32_t st_mutex_inuse; /* Mutexes in use */ 209 u_int32_t st_mutex_inuse_max; /* Maximum mutexes ever in use */ 210 211 /* The following fields are filled-in from other places. */ 212#ifndef __TEST_DB_NO_STATISTICS 213 u_int32_t st_region_wait; /* Region lock granted after wait. */ 214 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 215 roff_t st_regsize; /* Region size. */ 216#endif 217}; 218 219/* This is the length of the buffer passed to DB_ENV->thread_id_string() */ 220#define DB_THREADID_STRLEN 128 221 222/******************************************************* 223 * Locking. 224 *******************************************************/ 225#define DB_LOCKVERSION 1 226 227#define DB_FILE_ID_LEN 20 /* Unique file ID length. */ 228 229/* 230 * Deadlock detector modes; used in the DB_ENV structure to configure the 231 * locking subsystem. 232 */ 233#define DB_LOCK_NORUN 0 234#define DB_LOCK_DEFAULT 1 /* Default policy. */ 235#define DB_LOCK_EXPIRE 2 /* Only expire locks, no detection. */ 236#define DB_LOCK_MAXLOCKS 3 /* Select locker with max locks. */ 237#define DB_LOCK_MAXWRITE 4 /* Select locker with max writelocks. */ 238#define DB_LOCK_MINLOCKS 5 /* Select locker with min locks. */ 239#define DB_LOCK_MINWRITE 6 /* Select locker with min writelocks. */ 240#define DB_LOCK_OLDEST 7 /* Select oldest locker. */ 241#define DB_LOCK_RANDOM 8 /* Select random locker. */ 242#define DB_LOCK_YOUNGEST 9 /* Select youngest locker. */ 243 244/* 245 * Simple R/W lock modes and for multi-granularity intention locking. 246 * 247 * !!! 248 * These values are NOT random, as they are used as an index into the lock 249 * conflicts arrays, i.e., DB_LOCK_IWRITE must be == 3, and DB_LOCK_IREAD 250 * must be == 4. 251 */ 252typedef enum { 253 DB_LOCK_NG=0, /* Not granted. */ 254 DB_LOCK_READ=1, /* Shared/read. */ 255 DB_LOCK_WRITE=2, /* Exclusive/write. */ 256 DB_LOCK_WAIT=3, /* Wait for event */ 257 DB_LOCK_IWRITE=4, /* Intent exclusive/write. */ 258 DB_LOCK_IREAD=5, /* Intent to share/read. */ 259 DB_LOCK_IWR=6, /* Intent to read and write. */ 260 DB_LOCK_READ_UNCOMMITTED=7, /* Degree 1 isolation. */ 261 DB_LOCK_WWRITE=8 /* Was Written. */ 262} db_lockmode_t; 263 264/* 265 * Request types. 266 */ 267typedef enum { 268 DB_LOCK_DUMP=0, /* Display held locks. */ 269 DB_LOCK_GET=1, /* Get the lock. */ 270 DB_LOCK_GET_TIMEOUT=2, /* Get lock with a timeout. */ 271 DB_LOCK_INHERIT=3, /* Pass locks to parent. */ 272 DB_LOCK_PUT=4, /* Release the lock. */ 273 DB_LOCK_PUT_ALL=5, /* Release locker's locks. */ 274 DB_LOCK_PUT_OBJ=6, /* Release locker's locks on obj. */ 275 DB_LOCK_PUT_READ=7, /* Release locker's read locks. */ 276 DB_LOCK_TIMEOUT=8, /* Force a txn to timeout. */ 277 DB_LOCK_TRADE=9, /* Trade locker ids on a lock. */ 278 DB_LOCK_UPGRADE_WRITE=10 /* Upgrade writes for dirty reads. */ 279} db_lockop_t; 280 281/* 282 * Status of a lock. 283 */ 284typedef enum { 285 DB_LSTAT_ABORTED=1, /* Lock belongs to an aborted txn. */ 286 DB_LSTAT_EXPIRED=2, /* Lock has expired. */ 287 DB_LSTAT_FREE=3, /* Lock is unallocated. */ 288 DB_LSTAT_HELD=4, /* Lock is currently held. */ 289 DB_LSTAT_PENDING=5, /* Lock was waiting and has been 290 * promoted; waiting for the owner 291 * to run and upgrade it to held. */ 292 DB_LSTAT_WAITING=6 /* Lock is on the wait queue. */ 293}db_status_t; 294 295/* Lock statistics structure. */ 296struct __db_lock_stat { 297 u_int32_t st_id; /* Last allocated locker ID. */ 298 u_int32_t st_cur_maxid; /* Current maximum unused ID. */ 299 u_int32_t st_maxlocks; /* Maximum number of locks in table. */ 300 u_int32_t st_maxlockers; /* Maximum num of lockers in table. */ 301 u_int32_t st_maxobjects; /* Maximum num of objects in table. */ 302 u_int32_t st_partitions; /* number of partitions. */ 303 int st_nmodes; /* Number of lock modes. */ 304 u_int32_t st_nlockers; /* Current number of lockers. */ 305#ifndef __TEST_DB_NO_STATISTICS 306 u_int32_t st_nlocks; /* Current number of locks. */ 307 u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ 308 u_int32_t st_maxhlocks; /* Maximum number of locks in any bucket. */ 309 u_int32_t st_locksteals; /* Number of lock steals so far. */ 310 u_int32_t st_maxlsteals; /* Maximum number steals in any partition. */ 311 u_int32_t st_maxnlockers; /* Maximum number of lockers so far. */ 312 u_int32_t st_nobjects; /* Current number of objects. */ 313 u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ 314 u_int32_t st_maxhobjects; /* Maximum number of objectsin any bucket. */ 315 u_int32_t st_objectsteals; /* Number of objects steals so far. */ 316 u_int32_t st_maxosteals; /* Maximum number of steals in any partition. */ 317 u_int32_t st_nrequests; /* Number of lock gets. */ 318 u_int32_t st_nreleases; /* Number of lock puts. */ 319 u_int32_t st_nupgrade; /* Number of lock upgrades. */ 320 u_int32_t st_ndowngrade; /* Number of lock downgrades. */ 321 u_int32_t st_lock_wait; /* Lock conflicts w/ subsequent wait */ 322 u_int32_t st_lock_nowait; /* Lock conflicts w/o subsequent wait */ 323 u_int32_t st_ndeadlocks; /* Number of lock deadlocks. */ 324 db_timeout_t st_locktimeout; /* Lock timeout. */ 325 u_int32_t st_nlocktimeouts; /* Number of lock timeouts. */ 326 db_timeout_t st_txntimeout; /* Transaction timeout. */ 327 u_int32_t st_ntxntimeouts; /* Number of transaction timeouts. */ 328 u_int32_t st_part_wait; /* Partition lock granted after wait. */ 329 u_int32_t st_part_nowait; /* Partition lock granted without wait. */ 330 u_int32_t st_part_max_wait; /* Max partition lock granted after wait. */ 331 u_int32_t st_part_max_nowait; /* Max partition lock granted without wait. */ 332 u_int32_t st_objs_wait; /* Object lock granted after wait. */ 333 u_int32_t st_objs_nowait; /* Object lock granted without wait. */ 334 u_int32_t st_lockers_wait; /* Locker lock granted after wait. */ 335 u_int32_t st_lockers_nowait; /* Locker lock granted without wait. */ 336 u_int32_t st_region_wait; /* Region lock granted after wait. */ 337 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 338 u_int32_t st_hash_len; /* Max length of bucket. */ 339 roff_t st_regsize; /* Region size. */ 340#endif 341}; 342 343struct __db_lock_hstat { 344 u_int32_t st_nrequests; /* Number of lock gets. */ 345 u_int32_t st_nreleases; /* Number of lock puts. */ 346 u_int32_t st_nupgrade; /* Number of lock upgrades. */ 347 u_int32_t st_ndowngrade; /* Number of lock downgrades. */ 348 u_int32_t st_nlocks; /* Current number of locks. */ 349 u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ 350 u_int32_t st_nobjects; /* Current number of objects. */ 351 u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ 352 u_int32_t st_lock_wait; /* Lock conflicts w/ subsequent wait */ 353 u_int32_t st_lock_nowait; /* Lock conflicts w/o subsequent wait */ 354 u_int32_t st_nlocktimeouts; /* Number of lock timeouts. */ 355 u_int32_t st_ntxntimeouts; /* Number of transaction timeouts. */ 356 u_int32_t st_hash_len; /* Max length of bucket. */ 357}; 358 359struct __db_lock_pstat { 360 u_int32_t st_nlocks; /* Current number of locks. */ 361 u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ 362 u_int32_t st_nobjects; /* Current number of objects. */ 363 u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ 364 u_int32_t st_locksteals; /* Number of lock steals so far. */ 365 u_int32_t st_objectsteals; /* Number of objects steals so far. */ 366}; 367 368/* 369 * DB_LOCK_ILOCK -- 370 * Internal DB access method lock. 371 */ 372struct __db_ilock { 373 db_pgno_t pgno; /* Page being locked. */ 374 u_int8_t fileid[DB_FILE_ID_LEN];/* File id. */ 375#define DB_HANDLE_LOCK 1 376#define DB_RECORD_LOCK 2 377#define DB_PAGE_LOCK 3 378 u_int32_t type; /* Type of lock. */ 379}; 380 381/* 382 * DB_LOCK -- 383 * The structure is allocated by the caller and filled in during a 384 * lock_get request (or a lock_vec/DB_LOCK_GET). 385 */ 386struct __db_lock_u { 387 roff_t off; /* Offset of the lock in the region */ 388 u_int32_t ndx; /* Index of the object referenced by 389 * this lock; used for locking. */ 390 u_int32_t gen; /* Generation number of this lock. */ 391 db_lockmode_t mode; /* mode of this lock. */ 392}; 393 394/* Lock request structure. */ 395struct __db_lockreq { 396 db_lockop_t op; /* Operation. */ 397 db_lockmode_t mode; /* Requested mode. */ 398 db_timeout_t timeout; /* Time to expire lock. */ 399 DBT *obj; /* Object being locked. */ 400 DB_LOCK lock; /* Lock returned. */ 401}; 402 403/******************************************************* 404 * Logging. 405 *******************************************************/ 406#define DB_LOGVERSION 14 /* Current log version. */ 407#define DB_LOGOLDVER 8 /* Oldest log version supported. */ 408#define DB_LOGMAGIC 0x040988 409 410/* 411 * A DB_LSN has two parts, a fileid which identifies a specific file, and an 412 * offset within that file. The fileid is an unsigned 4-byte quantity that 413 * uniquely identifies a file within the log directory -- currently a simple 414 * counter inside the log. The offset is also an unsigned 4-byte value. The 415 * log manager guarantees the offset is never more than 4 bytes by switching 416 * to a new log file before the maximum length imposed by an unsigned 4-byte 417 * offset is reached. 418 */ 419struct __db_lsn { 420 u_int32_t file; /* File ID. */ 421 u_int32_t offset; /* File offset. */ 422}; 423 424/* 425 * Application-specified log record types start at DB_user_BEGIN, and must not 426 * equal or exceed DB_debug_FLAG. 427 * 428 * DB_debug_FLAG is the high-bit of the u_int32_t that specifies a log record 429 * type. If the flag is set, it's a log record that was logged for debugging 430 * purposes only, even if it reflects a database change -- the change was part 431 * of a non-durable transaction. 432 */ 433#define DB_user_BEGIN 10000 434#define DB_debug_FLAG 0x80000000 435 436/* 437 * DB_LOGC -- 438 * Log cursor. 439 */ 440struct __db_log_cursor { 441 ENV *env; /* Environment */ 442 443 DB_FH *fhp; /* File handle. */ 444 DB_LSN lsn; /* Cursor: LSN */ 445 u_int32_t len; /* Cursor: record length */ 446 u_int32_t prev; /* Cursor: previous record's offset */ 447 448 DBT dbt; /* Return DBT. */ 449 DB_LSN p_lsn; /* Persist LSN. */ 450 u_int32_t p_version; /* Persist version. */ 451 452 u_int8_t *bp; /* Allocated read buffer. */ 453 u_int32_t bp_size; /* Read buffer length in bytes. */ 454 u_int32_t bp_rlen; /* Read buffer valid data length. */ 455 DB_LSN bp_lsn; /* Read buffer first byte LSN. */ 456 457 u_int32_t bp_maxrec; /* Max record length in the log file. */ 458 459 /* DB_LOGC PUBLIC HANDLE LIST BEGIN */ 460 int (*close) __P((DB_LOGC *, u_int32_t)); 461 int (*get) __P((DB_LOGC *, DB_LSN *, DBT *, u_int32_t)); 462 int (*version) __P((DB_LOGC *, u_int32_t *, u_int32_t)); 463 /* DB_LOGC PUBLIC HANDLE LIST END */ 464 465#define DB_LOG_DISK 0x01 /* Log record came from disk. */ 466#define DB_LOG_LOCKED 0x02 /* Log region already locked */ 467#define DB_LOG_SILENT_ERR 0x04 /* Turn-off error messages. */ 468 u_int32_t flags; 469}; 470 471/* Log statistics structure. */ 472struct __db_log_stat { 473 u_int32_t st_magic; /* Log file magic number. */ 474 u_int32_t st_version; /* Log file version number. */ 475 int st_mode; /* Log file permissions mode. */ 476 u_int32_t st_lg_bsize; /* Log buffer size. */ 477 u_int32_t st_lg_size; /* Log file size. */ 478 u_int32_t st_wc_bytes; /* Bytes to log since checkpoint. */ 479 u_int32_t st_wc_mbytes; /* Megabytes to log since checkpoint. */ 480#ifndef __TEST_DB_NO_STATISTICS 481 u_int32_t st_record; /* Records entered into the log. */ 482 u_int32_t st_w_bytes; /* Bytes to log. */ 483 u_int32_t st_w_mbytes; /* Megabytes to log. */ 484 u_int32_t st_wcount; /* Total I/O writes to the log. */ 485 u_int32_t st_wcount_fill; /* Overflow writes to the log. */ 486 u_int32_t st_rcount; /* Total I/O reads from the log. */ 487 u_int32_t st_scount; /* Total syncs to the log. */ 488 u_int32_t st_region_wait; /* Region lock granted after wait. */ 489 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 490 u_int32_t st_cur_file; /* Current log file number. */ 491 u_int32_t st_cur_offset; /* Current log file offset. */ 492 u_int32_t st_disk_file; /* Known on disk log file number. */ 493 u_int32_t st_disk_offset; /* Known on disk log file offset. */ 494 u_int32_t st_maxcommitperflush; /* Max number of commits in a flush. */ 495 u_int32_t st_mincommitperflush; /* Min number of commits in a flush. */ 496 roff_t st_regsize; /* Region size. */ 497#endif 498}; 499 500/* 501 * We need to record the first log record of a transaction. For user 502 * defined logging this macro returns the place to put that information, 503 * if it is need in rlsnp, otherwise it leaves it unchanged. We also 504 * need to track the last record of the transaction, this returns the 505 * place to put that info. 506 */ 507#define DB_SET_TXN_LSNP(txn, blsnp, llsnp) \ 508 ((txn)->set_txn_lsnp(txn, blsnp, llsnp)) 509 510/******************************************************* 511 * Shared buffer cache (mpool). 512 *******************************************************/ 513/* Priority values for DB_MPOOLFILE->{put,set_priority}. */ 514typedef enum { 515 DB_PRIORITY_UNCHANGED=0, 516 DB_PRIORITY_VERY_LOW=1, 517 DB_PRIORITY_LOW=2, 518 DB_PRIORITY_DEFAULT=3, 519 DB_PRIORITY_HIGH=4, 520 DB_PRIORITY_VERY_HIGH=5 521} DB_CACHE_PRIORITY; 522 523/* Per-process DB_MPOOLFILE information. */ 524struct __db_mpoolfile { 525 DB_FH *fhp; /* Underlying file handle. */ 526 527 /* 528 * !!! 529 * The ref, pinref and q fields are protected by the region lock. 530 */ 531 u_int32_t ref; /* Reference count. */ 532 533 u_int32_t pinref; /* Pinned block reference count. */ 534 535 /* 536 * !!! 537 * Explicit representations of structures from queue.h. 538 * TAILQ_ENTRY(__db_mpoolfile) q; 539 */ 540 struct { 541 struct __db_mpoolfile *tqe_next; 542 struct __db_mpoolfile **tqe_prev; 543 } q; /* Linked list of DB_MPOOLFILE's. */ 544 545 /* 546 * !!! 547 * The rest of the fields (with the exception of the MP_FLUSH flag) 548 * are not thread-protected, even when they may be modified at any 549 * time by the application. The reason is the DB_MPOOLFILE handle 550 * is single-threaded from the viewpoint of the application, and so 551 * the only fields needing to be thread-protected are those accessed 552 * by checkpoint or sync threads when using DB_MPOOLFILE structures 553 * to flush buffers from the cache. 554 */ 555 ENV *env; /* Environment */ 556 MPOOLFILE *mfp; /* Underlying MPOOLFILE. */ 557 558 u_int32_t clear_len; /* Cleared length on created pages. */ 559 u_int8_t /* Unique file ID. */ 560 fileid[DB_FILE_ID_LEN]; 561 int ftype; /* File type. */ 562 int32_t lsn_offset; /* LSN offset in page. */ 563 u_int32_t gbytes, bytes; /* Maximum file size. */ 564 DBT *pgcookie; /* Byte-string passed to pgin/pgout. */ 565 int32_t priority; /* Cache priority. */ 566 567 void *addr; /* Address of mmap'd region. */ 568 size_t len; /* Length of mmap'd region. */ 569 570 u_int32_t config_flags; /* Flags to DB_MPOOLFILE->set_flags. */ 571 572 /* DB_MPOOLFILE PUBLIC HANDLE LIST BEGIN */ 573 int (*close) __P((DB_MPOOLFILE *, u_int32_t)); 574 int (*get) 575 __P((DB_MPOOLFILE *, db_pgno_t *, DB_TXN *, u_int32_t, void *)); 576 int (*get_clear_len) __P((DB_MPOOLFILE *, u_int32_t *)); 577 int (*get_fileid) __P((DB_MPOOLFILE *, u_int8_t *)); 578 int (*get_flags) __P((DB_MPOOLFILE *, u_int32_t *)); 579 int (*get_ftype) __P((DB_MPOOLFILE *, int *)); 580 int (*get_last_pgno) __P((DB_MPOOLFILE *, db_pgno_t *)); 581 int (*get_lsn_offset) __P((DB_MPOOLFILE *, int32_t *)); 582 int (*get_maxsize) __P((DB_MPOOLFILE *, u_int32_t *, u_int32_t *)); 583 int (*get_pgcookie) __P((DB_MPOOLFILE *, DBT *)); 584 int (*get_priority) __P((DB_MPOOLFILE *, DB_CACHE_PRIORITY *)); 585 int (*open) __P((DB_MPOOLFILE *, const char *, u_int32_t, int, size_t)); 586 int (*put) __P((DB_MPOOLFILE *, void *, DB_CACHE_PRIORITY, u_int32_t)); 587 int (*set_clear_len) __P((DB_MPOOLFILE *, u_int32_t)); 588 int (*set_fileid) __P((DB_MPOOLFILE *, u_int8_t *)); 589 int (*set_flags) __P((DB_MPOOLFILE *, u_int32_t, int)); 590 int (*set_ftype) __P((DB_MPOOLFILE *, int)); 591 int (*set_lsn_offset) __P((DB_MPOOLFILE *, int32_t)); 592 int (*set_maxsize) __P((DB_MPOOLFILE *, u_int32_t, u_int32_t)); 593 int (*set_pgcookie) __P((DB_MPOOLFILE *, DBT *)); 594 int (*set_priority) __P((DB_MPOOLFILE *, DB_CACHE_PRIORITY)); 595 int (*sync) __P((DB_MPOOLFILE *)); 596 /* DB_MPOOLFILE PUBLIC HANDLE LIST END */ 597 598 /* 599 * MP_FILEID_SET, MP_OPEN_CALLED and MP_READONLY do not need to be 600 * thread protected because they are initialized before the file is 601 * linked onto the per-process lists, and never modified. 602 * 603 * MP_FLUSH is thread protected because it is potentially read/set by 604 * multiple threads of control. 605 */ 606#define MP_FILEID_SET 0x001 /* Application supplied a file ID. */ 607#define MP_FLUSH 0x002 /* Was opened to flush a buffer. */ 608#define MP_MULTIVERSION 0x004 /* Opened for multiversion access. */ 609#define MP_OPEN_CALLED 0x008 /* File opened. */ 610#define MP_READONLY 0x010 /* File is readonly. */ 611#define MP_DUMMY 0x020 /* File is dummy for __memp_fput. */ 612 u_int32_t flags; 613}; 614 615/* Mpool statistics structure. */ 616struct __db_mpool_stat { 617 u_int32_t st_gbytes; /* Total cache size: GB. */ 618 u_int32_t st_bytes; /* Total cache size: B. */ 619 u_int32_t st_ncache; /* Number of cache regions. */ 620 u_int32_t st_max_ncache; /* Maximum number of regions. */ 621 size_t st_mmapsize; /* Maximum file size for mmap. */ 622 int st_maxopenfd; /* Maximum number of open fd's. */ 623 int st_maxwrite; /* Maximum buffers to write. */ 624 db_timeout_t st_maxwrite_sleep; /* Sleep after writing max buffers. */ 625 u_int32_t st_pages; /* Total number of pages. */ 626#ifndef __TEST_DB_NO_STATISTICS 627 u_int32_t st_map; /* Pages from mapped files. */ 628 u_int32_t st_cache_hit; /* Pages found in the cache. */ 629 u_int32_t st_cache_miss; /* Pages not found in the cache. */ 630 u_int32_t st_page_create; /* Pages created in the cache. */ 631 u_int32_t st_page_in; /* Pages read in. */ 632 u_int32_t st_page_out; /* Pages written out. */ 633 u_int32_t st_ro_evict; /* Clean pages forced from the cache. */ 634 u_int32_t st_rw_evict; /* Dirty pages forced from the cache. */ 635 u_int32_t st_page_trickle; /* Pages written by memp_trickle. */ 636 u_int32_t st_page_clean; /* Clean pages. */ 637 u_int32_t st_page_dirty; /* Dirty pages. */ 638 u_int32_t st_hash_buckets; /* Number of hash buckets. */ 639 u_int32_t st_hash_searches; /* Total hash chain searches. */ 640 u_int32_t st_hash_longest; /* Longest hash chain searched. */ 641 u_int32_t st_hash_examined; /* Total hash entries searched. */ 642 u_int32_t st_hash_nowait; /* Hash lock granted with nowait. */ 643 u_int32_t st_hash_wait; /* Hash lock granted after wait. */ 644 u_int32_t st_hash_max_nowait; /* Max hash lock granted with nowait. */ 645 u_int32_t st_hash_max_wait; /* Max hash lock granted after wait. */ 646 u_int32_t st_region_nowait; /* Region lock granted with nowait. */ 647 u_int32_t st_region_wait; /* Region lock granted after wait. */ 648 u_int32_t st_mvcc_frozen; /* Buffers frozen. */ 649 u_int32_t st_mvcc_thawed; /* Buffers thawed. */ 650 u_int32_t st_mvcc_freed; /* Frozen buffers freed. */ 651 u_int32_t st_alloc; /* Number of page allocations. */ 652 u_int32_t st_alloc_buckets; /* Buckets checked during allocation. */ 653 u_int32_t st_alloc_max_buckets; /* Max checked during allocation. */ 654 u_int32_t st_alloc_pages; /* Pages checked during allocation. */ 655 u_int32_t st_alloc_max_pages; /* Max checked during allocation. */ 656 u_int32_t st_io_wait; /* Thread waited on buffer I/O. */ 657 roff_t st_regsize; /* Region size. */ 658#endif 659}; 660 661/* Mpool file statistics structure. */ 662struct __db_mpool_fstat { 663 char *file_name; /* File name. */ 664 u_int32_t st_pagesize; /* Page size. */ 665#ifndef __TEST_DB_NO_STATISTICS 666 u_int32_t st_map; /* Pages from mapped files. */ 667 u_int32_t st_cache_hit; /* Pages found in the cache. */ 668 u_int32_t st_cache_miss; /* Pages not found in the cache. */ 669 u_int32_t st_page_create; /* Pages created in the cache. */ 670 u_int32_t st_page_in; /* Pages read in. */ 671 u_int32_t st_page_out; /* Pages written out. */ 672#endif 673}; 674 675/******************************************************* 676 * Transactions and recovery. 677 *******************************************************/ 678#define DB_TXNVERSION 1 679 680typedef enum { 681 DB_TXN_ABORT=0, /* Public. */ 682 DB_TXN_APPLY=1, /* Public. */ 683 DB_TXN_BACKWARD_ROLL=3, /* Public. */ 684 DB_TXN_FORWARD_ROLL=4, /* Public. */ 685 DB_TXN_OPENFILES=5, /* Internal. */ 686 DB_TXN_POPENFILES=6, /* Internal. */ 687 DB_TXN_PRINT=7 /* Public. */ 688} db_recops; 689 690/* 691 * BACKWARD_ALLOC is used during the forward pass to pick up any aborted 692 * allocations for files that were created during the forward pass. 693 * The main difference between _ALLOC and _ROLL is that the entry for 694 * the file not exist during the rollforward pass. 695 */ 696#define DB_UNDO(op) ((op) == DB_TXN_ABORT || (op) == DB_TXN_BACKWARD_ROLL) 697#define DB_REDO(op) ((op) == DB_TXN_FORWARD_ROLL || (op) == DB_TXN_APPLY) 698 699struct __db_txn { 700 DB_TXNMGR *mgrp; /* Pointer to transaction manager. */ 701 DB_TXN *parent; /* Pointer to transaction's parent. */ 702 DB_THREAD_INFO *thread_info; /* Pointer to thread information. */ 703 704 u_int32_t txnid; /* Unique transaction id. */ 705 char *name; /* Transaction name. */ 706 DB_LOCKER *locker; /* Locker for this txn. */ 707 708 db_threadid_t tid; /* Thread id for use in MT XA. */ 709 void *td; /* Detail structure within region. */ 710 db_timeout_t lock_timeout; /* Timeout for locks for this txn. */ 711 db_timeout_t expire; /* Time transaction expires. */ 712 void *txn_list; /* Undo information for parent. */ 713 714 /* 715 * !!! 716 * Explicit representations of structures from queue.h. 717 * TAILQ_ENTRY(__db_txn) links; 718 * TAILQ_ENTRY(__db_txn) xalinks; 719 */ 720 struct { 721 struct __db_txn *tqe_next; 722 struct __db_txn **tqe_prev; 723 } links; /* Links transactions off manager. */ 724 struct { 725 struct __db_txn *tqe_next; 726 struct __db_txn **tqe_prev; 727 } xalinks; /* Links active XA transactions. */ 728 729 /* 730 * !!! 731 * Explicit representations of structures from queue.h. 732 * TAILQ_HEAD(__kids, __db_txn) kids; 733 */ 734 struct __kids { 735 struct __db_txn *tqh_first; 736 struct __db_txn **tqh_last; 737 } kids; 738 739 /* 740 * !!! 741 * Explicit representations of structures from queue.h. 742 * TAILQ_HEAD(__events, __txn_event) events; 743 */ 744 struct { 745 struct __txn_event *tqh_first; 746 struct __txn_event **tqh_last; 747 } events; /* Links deferred events. */ 748 749 /* 750 * !!! 751 * Explicit representations of structures from queue.h. 752 * STAILQ_HEAD(__logrec, __txn_logrec) logs; 753 */ 754 struct { 755 struct __txn_logrec *stqh_first; 756 struct __txn_logrec **stqh_last; 757 } logs; /* Links in memory log records. */ 758 759 /* 760 * !!! 761 * Explicit representations of structures from queue.h. 762 * TAILQ_ENTRY(__db_txn) klinks; 763 */ 764 struct { 765 struct __db_txn *tqe_next; 766 struct __db_txn **tqe_prev; 767 } klinks; 768 769 void *api_internal; /* C++ API private. */ 770 void *xml_internal; /* XML API private. */ 771 772 u_int32_t cursors; /* Number of cursors open for txn */ 773 774 /* DB_TXN PUBLIC HANDLE LIST BEGIN */ 775 int (*abort) __P((DB_TXN *)); 776 int (*commit) __P((DB_TXN *, u_int32_t)); 777 int (*discard) __P((DB_TXN *, u_int32_t)); 778 int (*get_name) __P((DB_TXN *, const char **)); 779 u_int32_t (*id) __P((DB_TXN *)); 780 int (*prepare) __P((DB_TXN *, u_int8_t *)); 781 int (*set_name) __P((DB_TXN *, const char *)); 782 int (*set_timeout) __P((DB_TXN *, db_timeout_t, u_int32_t)); 783 /* DB_TXN PUBLIC HANDLE LIST END */ 784 785 /* DB_TXN PRIVATE HANDLE LIST BEGIN */ 786 void (*set_txn_lsnp) __P((DB_TXN *txn, DB_LSN **, DB_LSN **)); 787 /* DB_TXN PRIVATE HANDLE LIST END */ 788 789#define TXN_CHILDCOMMIT 0x0001 /* Txn has committed. */ 790#define TXN_CDSGROUP 0x0002 /* CDS group handle. */ 791#define TXN_COMPENSATE 0x0004 /* Compensating transaction. */ 792#define TXN_DEADLOCK 0x0008 /* Txn has deadlocked. */ 793#define TXN_LOCKTIMEOUT 0x0010 /* Txn has a lock timeout. */ 794#define TXN_MALLOC 0x0020 /* Structure allocated by TXN system. */ 795#define TXN_NOSYNC 0x0040 /* Do not sync on prepare and commit. */ 796#define TXN_NOWAIT 0x0080 /* Do not wait on locks. */ 797#define TXN_PRIVATE 0x0100 /* Txn owned by cursor.. */ 798#define TXN_READ_COMMITTED 0x0200 /* Txn has degree 2 isolation. */ 799#define TXN_READ_UNCOMMITTED 0x0400 /* Txn has degree 1 isolation. */ 800#define TXN_RESTORED 0x0800 /* Txn has been restored. */ 801#define TXN_SNAPSHOT 0x1000 /* Snapshot Isolation. */ 802#define TXN_SYNC 0x2000 /* Write and sync on prepare/commit. */ 803#define TXN_WRITE_NOSYNC 0x4000 /* Write only on prepare/commit. */ 804 u_int32_t flags; 805}; 806 807#define TXN_SYNC_FLAGS (TXN_SYNC | TXN_NOSYNC | TXN_WRITE_NOSYNC) 808 809/* 810 * Structure used for two phase commit interface. Berkeley DB support for two 811 * phase commit is compatible with the X/Open XA interface. 812 * 813 * The XA #define XIDDATASIZE defines the size of a global transaction ID. We 814 * have our own version here (for name space reasons) which must have the same 815 * value. 816 */ 817#define DB_XIDDATASIZE 128 818struct __db_preplist { 819 DB_TXN *txn; 820 u_int8_t gid[DB_XIDDATASIZE]; 821}; 822 823/* Transaction statistics structure. */ 824struct __db_txn_active { 825 u_int32_t txnid; /* Transaction ID */ 826 u_int32_t parentid; /* Transaction ID of parent */ 827 pid_t pid; /* Process owning txn ID */ 828 db_threadid_t tid; /* Thread owning txn ID */ 829 830 DB_LSN lsn; /* LSN when transaction began */ 831 832 DB_LSN read_lsn; /* Read LSN for MVCC */ 833 u_int32_t mvcc_ref; /* MVCC reference count */ 834 835#define TXN_ABORTED 1 836#define TXN_COMMITTED 2 837#define TXN_PREPARED 3 838#define TXN_RUNNING 4 839 u_int32_t status; /* Status of the transaction */ 840 841#define TXN_XA_ABORTED 1 842#define TXN_XA_DEADLOCKED 2 843#define TXN_XA_ENDED 3 844#define TXN_XA_PREPARED 4 845#define TXN_XA_STARTED 5 846#define TXN_XA_SUSPENDED 6 847 u_int32_t xa_status; /* XA status */ 848 849 u_int8_t xid[DB_XIDDATASIZE]; /* Global transaction ID */ 850 char name[51]; /* 50 bytes of name, nul termination */ 851}; 852 853struct __db_txn_stat { 854 u_int32_t st_nrestores; /* number of restored transactions 855 after recovery. */ 856#ifndef __TEST_DB_NO_STATISTICS 857 DB_LSN st_last_ckp; /* lsn of the last checkpoint */ 858 time_t st_time_ckp; /* time of last checkpoint */ 859 u_int32_t st_last_txnid; /* last transaction id given out */ 860 u_int32_t st_maxtxns; /* maximum txns possible */ 861 u_int32_t st_naborts; /* number of aborted transactions */ 862 u_int32_t st_nbegins; /* number of begun transactions */ 863 u_int32_t st_ncommits; /* number of committed transactions */ 864 u_int32_t st_nactive; /* number of active transactions */ 865 u_int32_t st_nsnapshot; /* number of snapshot transactions */ 866 u_int32_t st_maxnactive; /* maximum active transactions */ 867 u_int32_t st_maxnsnapshot; /* maximum snapshot transactions */ 868 DB_TXN_ACTIVE *st_txnarray; /* array of active transactions */ 869 u_int32_t st_region_wait; /* Region lock granted after wait. */ 870 u_int32_t st_region_nowait; /* Region lock granted without wait. */ 871 roff_t st_regsize; /* Region size. */ 872#endif 873}; 874 875/******************************************************* 876 * Replication. 877 *******************************************************/ 878/* Special, out-of-band environment IDs. */ 879#define DB_EID_BROADCAST -1 880#define DB_EID_INVALID -2 881 882#define DB_REP_DEFAULT_PRIORITY 100 883 884/* Acknowledgement policies. */ 885#define DB_REPMGR_ACKS_ALL 1 886#define DB_REPMGR_ACKS_ALL_PEERS 2 887#define DB_REPMGR_ACKS_NONE 3 888#define DB_REPMGR_ACKS_ONE 4 889#define DB_REPMGR_ACKS_ONE_PEER 5 890#define DB_REPMGR_ACKS_QUORUM 6 891 892/* Replication timeout configuration values. */ 893#define DB_REP_ACK_TIMEOUT 1 /* RepMgr acknowledgements. */ 894#define DB_REP_CHECKPOINT_DELAY 2 /* Master checkpoint delay. */ 895#define DB_REP_CONNECTION_RETRY 3 /* RepMgr connections. */ 896#define DB_REP_ELECTION_RETRY 4 /* RepMgr elect retries. */ 897#define DB_REP_ELECTION_TIMEOUT 5 /* Rep normal elections. */ 898#define DB_REP_FULL_ELECTION_TIMEOUT 6 /* Rep full elections. */ 899#define DB_REP_HEARTBEAT_MONITOR 7 /* RepMgr client HB monitor. */ 900#define DB_REP_HEARTBEAT_SEND 8 /* RepMgr master send freq. */ 901#define DB_REP_LEASE_TIMEOUT 9 /* Master leases. */ 902 903/* Event notification types. */ 904#define DB_EVENT_NO_SUCH_EVENT 0 /* out-of-band sentinel value */ 905#define DB_EVENT_PANIC 1 906#define DB_EVENT_REP_CLIENT 2 907#define DB_EVENT_REP_ELECTED 3 908#define DB_EVENT_REP_MASTER 4 909#define DB_EVENT_REP_NEWMASTER 5 910#define DB_EVENT_REP_PERM_FAILED 6 911#define DB_EVENT_REP_STARTUPDONE 7 912#define DB_EVENT_WRITE_FAILED 8 913 914/* Replication Manager site status. */ 915struct __db_repmgr_site { 916 int eid; 917 char *host; 918 u_int port; 919 920#define DB_REPMGR_CONNECTED 0x01 921#define DB_REPMGR_DISCONNECTED 0x02 922 u_int32_t status; 923}; 924 925/* Replication statistics. */ 926struct __db_rep_stat { 927 /* !!! 928 * Many replication statistics fields cannot be protected by a mutex 929 * without an unacceptable performance penalty, since most message 930 * processing is done without the need to hold a region-wide lock. 931 * Fields whose comments end with a '+' may be updated without holding 932 * the replication or log mutexes (as appropriate), and thus may be 933 * off somewhat (or, on unreasonable architectures under unlucky 934 * circumstances, garbaged). 935 */ 936 u_int32_t st_log_queued; /* Log records currently queued.+ */ 937 u_int32_t st_startup_complete; /* Site completed client sync-up. */ 938#ifndef __TEST_DB_NO_STATISTICS 939 u_int32_t st_status; /* Current replication status. */ 940 DB_LSN st_next_lsn; /* Next LSN to use or expect. */ 941 DB_LSN st_waiting_lsn; /* LSN we're awaiting, if any. */ 942 DB_LSN st_max_perm_lsn; /* Maximum permanent LSN. */ 943 db_pgno_t st_next_pg; /* Next pg we expect. */ 944 db_pgno_t st_waiting_pg; /* pg we're awaiting, if any. */ 945 946 u_int32_t st_dupmasters; /* # of times a duplicate master 947 condition was detected.+ */ 948 int st_env_id; /* Current environment ID. */ 949 u_int32_t st_env_priority; /* Current environment priority. */ 950 u_int32_t st_bulk_fills; /* Bulk buffer fills. */ 951 u_int32_t st_bulk_overflows; /* Bulk buffer overflows. */ 952 u_int32_t st_bulk_records; /* Bulk records stored. */ 953 u_int32_t st_bulk_transfers; /* Transfers of bulk buffers. */ 954 u_int32_t st_client_rerequests; /* Number of forced rerequests. */ 955 u_int32_t st_client_svc_req; /* Number of client service requests 956 received by this client. */ 957 u_int32_t st_client_svc_miss; /* Number of client service requests 958 missing on this client. */ 959 u_int32_t st_gen; /* Current generation number. */ 960 u_int32_t st_egen; /* Current election gen number. */ 961 u_int32_t st_log_duplicated; /* Log records received multiply.+ */ 962 u_int32_t st_log_queued_max; /* Max. log records queued at once.+ */ 963 u_int32_t st_log_queued_total; /* Total # of log recs. ever queued.+ */ 964 u_int32_t st_log_records; /* Log records received and put.+ */ 965 u_int32_t st_log_requested; /* Log recs. missed and requested.+ */ 966 int st_master; /* Env. ID of the current master. */ 967 u_int32_t st_master_changes; /* # of times we've switched masters. */ 968 u_int32_t st_msgs_badgen; /* Messages with a bad generation #.+ */ 969 u_int32_t st_msgs_processed; /* Messages received and processed.+ */ 970 u_int32_t st_msgs_recover; /* Messages ignored because this site 971 was a client in recovery.+ */ 972 u_int32_t st_msgs_send_failures;/* # of failed message sends.+ */ 973 u_int32_t st_msgs_sent; /* # of successful message sends.+ */ 974 u_int32_t st_newsites; /* # of NEWSITE msgs. received.+ */ 975 u_int32_t st_nsites; /* Current number of sites we will 976 assume during elections. */ 977 u_int32_t st_nthrottles; /* # of times we were throttled. */ 978 u_int32_t st_outdated; /* # of times we detected and returned 979 an OUTDATED condition.+ */ 980 u_int32_t st_pg_duplicated; /* Pages received multiply.+ */ 981 u_int32_t st_pg_records; /* Pages received and stored.+ */ 982 u_int32_t st_pg_requested; /* Pages missed and requested.+ */ 983 u_int32_t st_txns_applied; /* # of transactions applied.+ */ 984 u_int32_t st_startsync_delayed; /* # of STARTSYNC msgs delayed.+ */ 985 986 /* Elections generally. */ 987 u_int32_t st_elections; /* # of elections held.+ */ 988 u_int32_t st_elections_won; /* # of elections won by this site.+ */ 989 990 /* Statistics about an in-progress election. */ 991 int st_election_cur_winner; /* Current front-runner. */ 992 u_int32_t st_election_gen; /* Election generation number. */ 993 DB_LSN st_election_lsn; /* Max. LSN of current winner. */ 994 u_int32_t st_election_nsites; /* # of "registered voters". */ 995 u_int32_t st_election_nvotes; /* # of "registered voters" needed. */ 996 u_int32_t st_election_priority; /* Current election priority. */ 997 int st_election_status; /* Current election status. */ 998 u_int32_t st_election_tiebreaker;/* Election tiebreaker value. */ 999 u_int32_t st_election_votes; /* Votes received in this round. */ 1000 u_int32_t st_election_sec; /* Last election time seconds. */ 1001 u_int32_t st_election_usec; /* Last election time useconds. */ 1002 u_int32_t st_max_lease_sec; /* Maximum lease timestamp seconds. */ 1003 u_int32_t st_max_lease_usec; /* Maximum lease timestamp useconds. */ 1004#endif 1005}; 1006 1007/* Replication Manager statistics. */ 1008struct __db_repmgr_stat { 1009 u_int32_t st_perm_failed; /* # of insufficiently ack'ed msgs. */ 1010 u_int32_t st_msgs_queued; /* # msgs queued for network delay. */ 1011 u_int32_t st_msgs_dropped; /* # msgs discarded due to excessive 1012 queue length. */ 1013 u_int32_t st_connection_drop; /* Existing connections dropped. */ 1014 u_int32_t st_connect_fail; /* Failed new connection attempts. */ 1015}; 1016 1017/******************************************************* 1018 * Sequences. 1019 *******************************************************/ 1020/* 1021 * The storage record for a sequence. 1022 */ 1023struct __db_seq_record { 1024 u_int32_t seq_version; /* Version size/number. */ 1025 u_int32_t flags; /* DB_SEQ_XXX Flags. */ 1026 db_seq_t seq_value; /* Current value. */ 1027 db_seq_t seq_max; /* Max permitted. */ 1028 db_seq_t seq_min; /* Min permitted. */ 1029}; 1030 1031/* 1032 * Handle for a sequence object. 1033 */ 1034struct __db_sequence { 1035 DB *seq_dbp; /* DB handle for this sequence. */ 1036 db_mutex_t mtx_seq; /* Mutex if sequence is threaded. */ 1037 DB_SEQ_RECORD *seq_rp; /* Pointer to current data. */ 1038 DB_SEQ_RECORD seq_record; /* Data from DB_SEQUENCE. */ 1039 int32_t seq_cache_size; /* Number of values cached. */ 1040 db_seq_t seq_last_value; /* Last value cached. */ 1041 DBT seq_key; /* DBT pointing to sequence key. */ 1042 DBT seq_data; /* DBT pointing to seq_record. */ 1043 1044 /* API-private structure: used by C++ and Java. */ 1045 void *api_internal; 1046 1047 /* DB_SEQUENCE PUBLIC HANDLE LIST BEGIN */ 1048 int (*close) __P((DB_SEQUENCE *, u_int32_t)); 1049 int (*get) __P((DB_SEQUENCE *, 1050 DB_TXN *, int32_t, db_seq_t *, u_int32_t)); 1051 int (*get_cachesize) __P((DB_SEQUENCE *, int32_t *)); 1052 int (*get_db) __P((DB_SEQUENCE *, DB **)); 1053 int (*get_flags) __P((DB_SEQUENCE *, u_int32_t *)); 1054 int (*get_key) __P((DB_SEQUENCE *, DBT *)); 1055 int (*get_range) __P((DB_SEQUENCE *, 1056 db_seq_t *, db_seq_t *)); 1057 int (*initial_value) __P((DB_SEQUENCE *, db_seq_t)); 1058 int (*open) __P((DB_SEQUENCE *, 1059 DB_TXN *, DBT *, u_int32_t)); 1060 int (*remove) __P((DB_SEQUENCE *, DB_TXN *, u_int32_t)); 1061 int (*set_cachesize) __P((DB_SEQUENCE *, int32_t)); 1062 int (*set_flags) __P((DB_SEQUENCE *, u_int32_t)); 1063 int (*set_range) __P((DB_SEQUENCE *, db_seq_t, db_seq_t)); 1064 int (*stat) __P((DB_SEQUENCE *, 1065 DB_SEQUENCE_STAT **, u_int32_t)); 1066 int (*stat_print) __P((DB_SEQUENCE *, u_int32_t)); 1067 /* DB_SEQUENCE PUBLIC HANDLE LIST END */ 1068}; 1069 1070struct __db_seq_stat { 1071 u_int32_t st_wait; /* Sequence lock granted w/o wait. */ 1072 u_int32_t st_nowait; /* Sequence lock granted after wait. */ 1073 db_seq_t st_current; /* Current value in db. */ 1074 db_seq_t st_value; /* Current cached value. */ 1075 db_seq_t st_last_value; /* Last cached value. */ 1076 db_seq_t st_min; /* Minimum value. */ 1077 db_seq_t st_max; /* Maximum value. */ 1078 int32_t st_cache_size; /* Cache size. */ 1079 u_int32_t st_flags; /* Flag value. */ 1080}; 1081 1082/******************************************************* 1083 * Access methods. 1084 *******************************************************/ 1085typedef enum { 1086 DB_BTREE=1, 1087 DB_HASH=2, 1088 DB_RECNO=3, 1089 DB_QUEUE=4, 1090 DB_UNKNOWN=5 /* Figure it out on open. */ 1091} DBTYPE; 1092 1093#define DB_RENAMEMAGIC 0x030800 /* File has been renamed. */ 1094 1095#define DB_BTREEVERSION 9 /* Current btree version. */ 1096#define DB_BTREEOLDVER 8 /* Oldest btree version supported. */ 1097#define DB_BTREEMAGIC 0x053162 1098 1099#define DB_HASHVERSION 9 /* Current hash version. */ 1100#define DB_HASHOLDVER 7 /* Oldest hash version supported. */ 1101#define DB_HASHMAGIC 0x061561 1102 1103#define DB_QAMVERSION 4 /* Current queue version. */ 1104#define DB_QAMOLDVER 3 /* Oldest queue version supported. */ 1105#define DB_QAMMAGIC 0x042253 1106 1107#define DB_SEQUENCE_VERSION 2 /* Current sequence version. */ 1108#define DB_SEQUENCE_OLDVER 1 /* Oldest sequence version supported. */ 1109 1110/* 1111 * DB access method and cursor operation values. Each value is an operation 1112 * code to which additional bit flags are added. 1113 */ 1114#define DB_AFTER 1 /* Dbc.put */ 1115#define DB_APPEND 2 /* Db.put */ 1116#define DB_BEFORE 3 /* Dbc.put */ 1117#define DB_CONSUME 4 /* Db.get */ 1118#define DB_CONSUME_WAIT 5 /* Db.get */ 1119#define DB_CURRENT 6 /* Dbc.get, Dbc.put, DbLogc.get */ 1120#define DB_FIRST 7 /* Dbc.get, DbLogc->get */ 1121#define DB_GET_BOTH 8 /* Db.get, Dbc.get */ 1122#define DB_GET_BOTHC 9 /* Dbc.get (internal) */ 1123#define DB_GET_BOTH_RANGE 10 /* Db.get, Dbc.get */ 1124#define DB_GET_RECNO 11 /* Dbc.get */ 1125#define DB_JOIN_ITEM 12 /* Dbc.get; don't do primary lookup */ 1126#define DB_KEYFIRST 13 /* Dbc.put */ 1127#define DB_KEYLAST 14 /* Dbc.put */ 1128#define DB_LAST 15 /* Dbc.get, DbLogc->get */ 1129#define DB_NEXT 16 /* Dbc.get, DbLogc->get */ 1130#define DB_NEXT_DUP 17 /* Dbc.get */ 1131#define DB_NEXT_NODUP 18 /* Dbc.get */ 1132#define DB_NODUPDATA 19 /* Db.put, Dbc.put */ 1133#define DB_NOOVERWRITE 20 /* Db.put */ 1134#define DB_NOSYNC 21 /* Db.close */ 1135#define DB_POSITION 22 /* Dbc.dup */ 1136#define DB_PREV 23 /* Dbc.get, DbLogc->get */ 1137#define DB_PREV_DUP 24 /* Dbc.get */ 1138#define DB_PREV_NODUP 25 /* Dbc.get */ 1139#define DB_SET 26 /* Dbc.get, DbLogc->get */ 1140#define DB_SET_RANGE 27 /* Dbc.get */ 1141#define DB_SET_RECNO 28 /* Db.get, Dbc.get */ 1142#define DB_UPDATE_SECONDARY 29 /* Dbc.get, Dbc.del (internal) */ 1143#define DB_WRITECURSOR 30 /* Db.cursor */ 1144#define DB_WRITELOCK 31 /* Db.cursor (internal) */ 1145 1146/* This has to change when the max opcode hits 255. */ 1147#define DB_OPFLAGS_MASK 0x000000ff /* Mask for operations flags. */ 1148 1149/* 1150 * DB (user visible) error return codes. 1151 * 1152 * !!! 1153 * We don't want our error returns to conflict with other packages where 1154 * possible, so pick a base error value that's hopefully not common. We 1155 * document that we own the error name space from -30,800 to -30,999. 1156 */ 1157/* DB (public) error return codes. */ 1158#define DB_BUFFER_SMALL (-30999)/* User memory too small for return. */ 1159#define DB_DONOTINDEX (-30998)/* "Null" return from 2ndary callbk. */ 1160#define DB_FOREIGN_CONFLICT (-30997)/* A foreign db constraint triggered. */ 1161#define DB_KEYEMPTY (-30996)/* Key/data deleted or never created. */ 1162#define DB_KEYEXIST (-30995)/* The key/data pair already exists. */ 1163#define DB_LOCK_DEADLOCK (-30994)/* Deadlock. */ 1164#define DB_LOCK_NOTGRANTED (-30993)/* Lock unavailable. */ 1165#define DB_LOG_BUFFER_FULL (-30992)/* In-memory log buffer full. */ 1166#define DB_NOSERVER (-30991)/* Server panic return. */ 1167#define DB_NOSERVER_HOME (-30990)/* Bad home sent to server. */ 1168#define DB_NOSERVER_ID (-30989)/* Bad ID sent to server. */ 1169#define DB_NOTFOUND (-30988)/* Key/data pair not found (EOF). */ 1170#define DB_OLD_VERSION (-30987)/* Out-of-date version. */ 1171#define DB_PAGE_NOTFOUND (-30986)/* Requested page not found. */ 1172#define DB_REP_DUPMASTER (-30985)/* There are two masters. */ 1173#define DB_REP_HANDLE_DEAD (-30984)/* Rolled back a commit. */ 1174#define DB_REP_HOLDELECTION (-30983)/* Time to hold an election. */ 1175#define DB_REP_IGNORE (-30982)/* This msg should be ignored.*/ 1176#define DB_REP_ISPERM (-30981)/* Cached not written perm written.*/ 1177#define DB_REP_JOIN_FAILURE (-30980)/* Unable to join replication group. */ 1178#define DB_REP_LEASE_EXPIRED (-30979)/* Master lease has expired. */ 1179#define DB_REP_LOCKOUT (-30978)/* API/Replication lockout now. */ 1180#define DB_REP_NEWSITE (-30977)/* New site entered system. */ 1181#define DB_REP_NOTPERM (-30976)/* Permanent log record not written. */ 1182#define DB_REP_UNAVAIL (-30975)/* Site cannot currently be reached. */ 1183#define DB_RUNRECOVERY (-30974)/* Panic return. */ 1184#define DB_SECONDARY_BAD (-30973)/* Secondary index corrupt. */ 1185#define DB_VERIFY_BAD (-30972)/* Verify failed; bad format. */ 1186#define DB_VERSION_MISMATCH (-30971)/* Environment version mismatch. */ 1187 1188 1189/* DB (private) error return codes. */ 1190#define DB_ALREADY_ABORTED (-30899) 1191#define DB_DELETED (-30898)/* Recovery file marked deleted. */ 1192#define DB_EVENT_NOT_HANDLED (-30897)/* Forward event to application. */ 1193#define DB_NEEDSPLIT (-30896)/* Page needs to be split. */ 1194#define DB_REP_BULKOVF (-30895)/* Rep bulk buffer overflow. */ 1195#define DB_REP_EGENCHG (-30894)/* Egen changed while in election. */ 1196#define DB_REP_LOGREADY (-30893)/* Rep log ready for recovery. */ 1197#define DB_REP_NEWMASTER (-30892)/* We have learned of a new master. */ 1198#define DB_REP_PAGEDONE (-30891)/* This page was already done. */ 1199#define DB_SURPRISE_KID (-30890)/* Child commit where parent 1200 didn't know it was a parent. */ 1201#define DB_SWAPBYTES (-30889)/* Database needs byte swapping. */ 1202#define DB_TIMEOUT (-30888)/* Timed out waiting for election. */ 1203#define DB_TXN_CKP (-30887)/* Encountered ckp record in log. */ 1204#define DB_VERIFY_FATAL (-30886)/* DB->verify cannot proceed. */ 1205 1206/* Database handle. */ 1207struct __db { 1208 /******************************************************* 1209 * Public: owned by the application. 1210 *******************************************************/ 1211 u_int32_t pgsize; /* Database logical page size. */ 1212 DB_CACHE_PRIORITY priority; /* Database priority in cache. */ 1213 1214 /* Callbacks. */ 1215 int (*db_append_recno) __P((DB *, DBT *, db_recno_t)); 1216 void (*db_feedback) __P((DB *, int, int)); 1217 int (*dup_compare) __P((DB *, const DBT *, const DBT *)); 1218 1219 void *app_private; /* Application-private handle. */ 1220 1221 /******************************************************* 1222 * Private: owned by DB. 1223 *******************************************************/ 1224 DB_ENV *dbenv; /* Backing public environment. */ 1225 ENV *env; /* Backing private environment. */ 1226 1227 DBTYPE type; /* DB access method type. */ 1228 1229 DB_MPOOLFILE *mpf; /* Backing buffer pool. */ 1230 1231 db_mutex_t mutex; /* Synchronization for free threading */ 1232 1233 char *fname, *dname; /* File/database passed to DB->open. */ 1234 u_int32_t open_flags; /* Flags passed to DB->open. */ 1235 1236 u_int8_t fileid[DB_FILE_ID_LEN];/* File's unique ID for locking. */ 1237 1238 u_int32_t adj_fileid; /* File's unique ID for curs. adj. */ 1239 1240#define DB_LOGFILEID_INVALID -1 1241 FNAME *log_filename; /* File's naming info for logging. */ 1242 1243 db_pgno_t meta_pgno; /* Meta page number */ 1244 DB_LOCKER *locker; /* Locker for handle locking. */ 1245 DB_LOCKER *cur_locker; /* Current handle lock holder. */ 1246 DB_TXN *cur_txn; /* Opening transaction. */ 1247 DB_LOCKER *associate_locker; /* Locker for DB->associate call. */ 1248 DB_LOCK handle_lock; /* Lock held on this handle. */ 1249 1250 u_int cl_id; /* RPC: remote client id. */ 1251 1252 time_t timestamp; /* Handle timestamp for replication. */ 1253 u_int32_t fid_gen; /* Rep generation number for fids. */ 1254 1255 /* 1256 * Returned data memory for DB->get() and friends. 1257 */ 1258 DBT my_rskey; /* Secondary key. */ 1259 DBT my_rkey; /* [Primary] key. */ 1260 DBT my_rdata; /* Data. */ 1261 1262 /* 1263 * !!! 1264 * Some applications use DB but implement their own locking outside of 1265 * DB. If they're using fcntl(2) locking on the underlying database 1266 * file, and we open and close a file descriptor for that file, we will 1267 * discard their locks. The DB_FCNTL_LOCKING flag to DB->open is an 1268 * undocumented interface to support this usage which leaves any file 1269 * descriptors we open until DB->close. This will only work with the 1270 * DB->open interface and simple caches, e.g., creating a transaction 1271 * thread may open/close file descriptors this flag doesn't protect. 1272 * Locking with fcntl(2) on a file that you don't own is a very, very 1273 * unsafe thing to do. 'Nuff said. 1274 */ 1275 DB_FH *saved_open_fhp; /* Saved file handle. */ 1276 1277 /* 1278 * Linked list of DBP's, linked from the ENV, used to keep track 1279 * of all open db handles for cursor adjustment. 1280 * 1281 * !!! 1282 * Explicit representations of structures from queue.h. 1283 * TAILQ_ENTRY(__db) dblistlinks; 1284 */ 1285 struct { 1286 struct __db *tqe_next; 1287 struct __db **tqe_prev; 1288 } dblistlinks; 1289 1290 /* 1291 * Cursor queues. 1292 * 1293 * !!! 1294 * Explicit representations of structures from queue.h. 1295 * TAILQ_HEAD(__cq_fq, __dbc) free_queue; 1296 * TAILQ_HEAD(__cq_aq, __dbc) active_queue; 1297 * TAILQ_HEAD(__cq_jq, __dbc) join_queue; 1298 */ 1299 struct __cq_fq { 1300 struct __dbc *tqh_first; 1301 struct __dbc **tqh_last; 1302 } free_queue; 1303 struct __cq_aq { 1304 struct __dbc *tqh_first; 1305 struct __dbc **tqh_last; 1306 } active_queue; 1307 struct __cq_jq { 1308 struct __dbc *tqh_first; 1309 struct __dbc **tqh_last; 1310 } join_queue; 1311 1312 /* 1313 * Secondary index support. 1314 * 1315 * Linked list of secondary indices -- set in the primary. 1316 * 1317 * !!! 1318 * Explicit representations of structures from queue.h. 1319 * LIST_HEAD(s_secondaries, __db); 1320 */ 1321 struct { 1322 struct __db *lh_first; 1323 } s_secondaries; 1324 1325 /* 1326 * List entries for secondaries, and reference count of how many 1327 * threads are updating this secondary (see Dbc.put). 1328 * 1329 * !!! 1330 * Note that these are synchronized by the primary's mutex, but 1331 * filled in in the secondaries. 1332 * 1333 * !!! 1334 * Explicit representations of structures from queue.h. 1335 * LIST_ENTRY(__db) s_links; 1336 */ 1337 struct { 1338 struct __db *le_next; 1339 struct __db **le_prev; 1340 } s_links; 1341 u_int32_t s_refcnt; 1342 1343 /* Secondary callback and free functions -- set in the secondary. */ 1344 int (*s_callback) __P((DB *, const DBT *, const DBT *, DBT *)); 1345 1346 /* Reference to primary -- set in the secondary. */ 1347 DB *s_primary; 1348 1349#define DB_ASSOC_IMMUTABLE_KEY 0x00000001 /* Secondary key is immutable. */ 1350 1351 /* Flags passed to associate -- set in the secondary. */ 1352 u_int32_t s_assoc_flags; 1353 1354 /* 1355 * Foreign key support. 1356 * 1357 * Linked list of primary dbs -- set in the foreign db 1358 * 1359 * !!! 1360 * Explicit representations of structures from queue.h. 1361 * LIST_HEAD(f_primaries, __db); 1362 */ 1363 struct { 1364 struct __db_foreign_info *lh_first; 1365 } f_primaries; 1366 1367 /* Reference to foreign -- set in the secondary. */ 1368 DB *s_foreign; 1369 1370 /* API-private structure: used by DB 1.85, C++, Java, Perl and Tcl */ 1371 void *api_internal; 1372 1373 /* Subsystem-private structure. */ 1374 void *bt_internal; /* Btree/Recno access method. */ 1375 void *h_internal; /* Hash access method. */ 1376 void *q_internal; /* Queue access method. */ 1377 void *xa_internal; /* XA. */ 1378 1379 /* DB PUBLIC HANDLE LIST BEGIN */ 1380 int (*associate) __P((DB *, DB_TXN *, DB *, 1381 int (*)(DB *, const DBT *, const DBT *, DBT *), u_int32_t)); 1382 int (*associate_foreign) __P((DB *, DB *, 1383 int (*)(DB *, const DBT *, DBT *, const DBT *, int *), 1384 u_int32_t)); 1385 int (*close) __P((DB *, u_int32_t)); 1386 int (*compact) __P((DB *, 1387 DB_TXN *, DBT *, DBT *, DB_COMPACT *, u_int32_t, DBT *)); 1388 int (*cursor) __P((DB *, DB_TXN *, DBC **, u_int32_t)); 1389 int (*del) __P((DB *, DB_TXN *, DBT *, u_int32_t)); 1390 void (*err) __P((DB *, int, const char *, ...)); 1391 void (*errx) __P((DB *, const char *, ...)); 1392 int (*exists) __P((DB *, DB_TXN *, DBT *, u_int32_t)); 1393 int (*fd) __P((DB *, int *)); 1394 int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); 1395 int (*get_bt_minkey) __P((DB *, u_int32_t *)); 1396 int (*get_byteswapped) __P((DB *, int *)); 1397 int (*get_cachesize) __P((DB *, u_int32_t *, u_int32_t *, int *)); 1398 int (*get_dbname) __P((DB *, const char **, const char **)); 1399 int (*get_encrypt_flags) __P((DB *, u_int32_t *)); 1400 DB_ENV *(*get_env) __P((DB *)); 1401 void (*get_errcall) __P((DB *, 1402 void (**)(const DB_ENV *, const char *, const char *))); 1403 void (*get_errfile) __P((DB *, FILE **)); 1404 void (*get_errpfx) __P((DB *, const char **)); 1405 int (*get_flags) __P((DB *, u_int32_t *)); 1406 int (*get_h_ffactor) __P((DB *, u_int32_t *)); 1407 int (*get_h_nelem) __P((DB *, u_int32_t *)); 1408 int (*get_lorder) __P((DB *, int *)); 1409 DB_MPOOLFILE *(*get_mpf) __P((DB *)); 1410 void (*get_msgfile) __P((DB *, FILE **)); 1411 int (*get_multiple) __P((DB *)); 1412 int (*get_open_flags) __P((DB *, u_int32_t *)); 1413 int (*get_pagesize) __P((DB *, u_int32_t *)); 1414 int (*get_priority) __P((DB *, DB_CACHE_PRIORITY *)); 1415 int (*get_q_extentsize) __P((DB *, u_int32_t *)); 1416 int (*get_re_delim) __P((DB *, int *)); 1417 int (*get_re_len) __P((DB *, u_int32_t *)); 1418 int (*get_re_pad) __P((DB *, int *)); 1419 int (*get_re_source) __P((DB *, const char **)); 1420 int (*get_transactional) __P((DB *)); 1421 int (*get_type) __P((DB *, DBTYPE *)); 1422 int (*join) __P((DB *, DBC **, DBC **, u_int32_t)); 1423 int (*key_range) 1424 __P((DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)); 1425 int (*open) __P((DB *, 1426 DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)); 1427 int (*pget) __P((DB *, DB_TXN *, DBT *, DBT *, DBT *, u_int32_t)); 1428 int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); 1429 int (*remove) __P((DB *, const char *, const char *, u_int32_t)); 1430 int (*rename) __P((DB *, 1431 const char *, const char *, const char *, u_int32_t)); 1432 int (*set_alloc) __P((DB *, void *(*)(size_t), 1433 void *(*)(void *, size_t), void (*)(void *))); 1434 int (*set_append_recno) __P((DB *, int (*)(DB *, DBT *, db_recno_t))); 1435 int (*set_bt_compare) 1436 __P((DB *, int (*)(DB *, const DBT *, const DBT *))); 1437 int (*set_bt_minkey) __P((DB *, u_int32_t)); 1438 int (*set_bt_prefix) 1439 __P((DB *, size_t (*)(DB *, const DBT *, const DBT *))); 1440 int (*set_cachesize) __P((DB *, u_int32_t, u_int32_t, int)); 1441 int (*set_dup_compare) 1442 __P((DB *, int (*)(DB *, const DBT *, const DBT *))); 1443 int (*set_encrypt) __P((DB *, const char *, u_int32_t)); 1444 void (*set_errcall) __P((DB *, 1445 void (*)(const DB_ENV *, const char *, const char *))); 1446 void (*set_errfile) __P((DB *, FILE *)); 1447 void (*set_errpfx) __P((DB *, const char *)); 1448 int (*set_feedback) __P((DB *, void (*)(DB *, int, int))); 1449 int (*set_flags) __P((DB *, u_int32_t)); 1450 int (*set_h_compare) 1451 __P((DB *, int (*)(DB *, const DBT *, const DBT *))); 1452 int (*set_h_ffactor) __P((DB *, u_int32_t)); 1453 int (*set_h_hash) 1454 __P((DB *, u_int32_t (*)(DB *, const void *, u_int32_t))); 1455 int (*set_h_nelem) __P((DB *, u_int32_t)); 1456 int (*set_lorder) __P((DB *, int)); 1457 void (*set_msgcall) __P((DB *, void (*)(const DB_ENV *, const char *))); 1458 void (*set_msgfile) __P((DB *, FILE *)); 1459 int (*set_pagesize) __P((DB *, u_int32_t)); 1460 int (*set_paniccall) __P((DB *, void (*)(DB_ENV *, int))); 1461 int (*set_priority) __P((DB *, DB_CACHE_PRIORITY)); 1462 int (*set_q_extentsize) __P((DB *, u_int32_t)); 1463 int (*set_re_delim) __P((DB *, int)); 1464 int (*set_re_len) __P((DB *, u_int32_t)); 1465 int (*set_re_pad) __P((DB *, int)); 1466 int (*set_re_source) __P((DB *, const char *)); 1467 int (*stat) __P((DB *, DB_TXN *, void *, u_int32_t)); 1468 int (*stat_print) __P((DB *, u_int32_t)); 1469 int (*sync) __P((DB *, u_int32_t)); 1470 int (*truncate) __P((DB *, DB_TXN *, u_int32_t *, u_int32_t)); 1471 int (*upgrade) __P((DB *, const char *, u_int32_t)); 1472 int (*verify) 1473 __P((DB *, const char *, const char *, FILE *, u_int32_t)); 1474 /* DB PUBLIC HANDLE LIST END */ 1475 1476 /* DB PRIVATE HANDLE LIST BEGIN */ 1477 int (*dump) __P((DB *, const char *, 1478 int (*)(void *, const void *), void *, int, int)); 1479 int (*db_am_remove) __P((DB *, DB_TXN *, const char *, const char *)); 1480 int (*db_am_rename) __P((DB *, DB_TXN *, 1481 const char *, const char *, const char *)); 1482 /* DB PRIVATE HANDLE LIST END */ 1483 1484 /* 1485 * Never called; these are a place to save function pointers 1486 * so that we can undo an associate. 1487 */ 1488 int (*stored_get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); 1489 int (*stored_close) __P((DB *, u_int32_t)); 1490 1491#define DB_OK_BTREE 0x01 1492#define DB_OK_HASH 0x02 1493#define DB_OK_QUEUE 0x04 1494#define DB_OK_RECNO 0x08 1495 u_int32_t am_ok; /* Legal AM choices. */ 1496 1497 /* 1498 * This field really ought to be an AM_FLAG, but we have 1499 * have run out of bits. If/when we decide to split up 1500 * the flags, we can incorporate it. 1501 */ 1502 int preserve_fid; /* Do not free fileid on close. */ 1503 1504#define DB_AM_CHKSUM 0x00000001 /* Checksumming */ 1505#define DB_AM_COMPENSATE 0x00000002 /* Created by compensating txn */ 1506#define DB_AM_CREATED 0x00000004 /* Database was created upon open */ 1507#define DB_AM_CREATED_MSTR 0x00000008 /* Encompassing file was created */ 1508#define DB_AM_DBM_ERROR 0x00000010 /* Error in DBM/NDBM database */ 1509#define DB_AM_DELIMITER 0x00000020 /* Variable length delimiter set */ 1510#define DB_AM_DISCARD 0x00000040 /* Discard any cached pages */ 1511#define DB_AM_DUP 0x00000080 /* DB_DUP */ 1512#define DB_AM_DUPSORT 0x00000100 /* DB_DUPSORT */ 1513#define DB_AM_ENCRYPT 0x00000200 /* Encryption */ 1514#define DB_AM_FIXEDLEN 0x00000400 /* Fixed-length records */ 1515#define DB_AM_INMEM 0x00000800 /* In-memory; no sync on close */ 1516#define DB_AM_INORDER 0x00001000 /* DB_INORDER */ 1517#define DB_AM_IN_RENAME 0x00002000 /* File is being renamed */ 1518#define DB_AM_NOT_DURABLE 0x00004000 /* Do not log changes */ 1519#define DB_AM_OPEN_CALLED 0x00008000 /* DB->open called */ 1520#define DB_AM_PAD 0x00010000 /* Fixed-length record pad */ 1521#define DB_AM_PGDEF 0x00020000 /* Page size was defaulted */ 1522#define DB_AM_RDONLY 0x00040000 /* Database is readonly */ 1523#define DB_AM_READ_UNCOMMITTED 0x00080000 /* Support degree 1 isolation */ 1524#define DB_AM_RECNUM 0x00100000 /* DB_RECNUM */ 1525#define DB_AM_RECOVER 0x00200000 /* DB opened by recovery routine */ 1526#define DB_AM_RENUMBER 0x00400000 /* DB_RENUMBER */ 1527#define DB_AM_REVSPLITOFF 0x00800000 /* DB_REVSPLITOFF */ 1528#define DB_AM_SECONDARY 0x01000000 /* Database is a secondary index */ 1529#define DB_AM_SNAPSHOT 0x02000000 /* DB_SNAPSHOT */ 1530#define DB_AM_SUBDB 0x04000000 /* Subdatabases supported */ 1531#define DB_AM_SWAP 0x08000000 /* Pages need to be byte-swapped */ 1532#define DB_AM_TXN 0x10000000 /* Opened in a transaction */ 1533#define DB_AM_VERIFYING 0x20000000 /* DB handle is in the verifier */ 1534 u_int32_t orig_flags; /* Flags at open, for refresh */ 1535 u_int32_t flags; 1536}; 1537 1538/* 1539 * Macros for bulk get. These are only intended for the C API. 1540 * For C++, use DbMultiple*Iterator. 1541 */ 1542#define DB_MULTIPLE_INIT(pointer, dbt) \ 1543 (pointer = (u_int8_t *)(dbt)->data + \ 1544 (dbt)->ulen - sizeof(u_int32_t)) 1545#define DB_MULTIPLE_NEXT(pointer, dbt, retdata, retdlen) \ 1546 do { \ 1547 if (*((u_int32_t *)(pointer)) == (u_int32_t)-1) { \ 1548 retdata = NULL; \ 1549 pointer = NULL; \ 1550 break; \ 1551 } \ 1552 retdata = (u_int8_t *) \ 1553 (dbt)->data + *(u_int32_t *)(pointer); \ 1554 (pointer) = (u_int32_t *)(pointer) - 1; \ 1555 retdlen = *(u_int32_t *)(pointer); \ 1556 (pointer) = (u_int32_t *)(pointer) - 1; \ 1557 if (retdlen == 0 && \ 1558 retdata == (u_int8_t *)(dbt)->data) \ 1559 retdata = NULL; \ 1560 } while (0) 1561#define DB_MULTIPLE_KEY_NEXT(pointer, dbt, retkey, retklen, retdata, retdlen) \ 1562 do { \ 1563 if (*((u_int32_t *)(pointer)) == (u_int32_t)-1) { \ 1564 retdata = NULL; \ 1565 retkey = NULL; \ 1566 pointer = NULL; \ 1567 break; \ 1568 } \ 1569 retkey = (u_int8_t *) \ 1570 (dbt)->data + *(u_int32_t *)(pointer); \ 1571 (pointer) = (u_int32_t *)(pointer) - 1; \ 1572 retklen = *(u_int32_t *)(pointer); \ 1573 (pointer) = (u_int32_t *)(pointer) - 1; \ 1574 retdata = (u_int8_t *) \ 1575 (dbt)->data + *(u_int32_t *)(pointer); \ 1576 (pointer) = (u_int32_t *)(pointer) - 1; \ 1577 retdlen = *(u_int32_t *)(pointer); \ 1578 (pointer) = (u_int32_t *)(pointer) - 1; \ 1579 } while (0) 1580 1581#define DB_MULTIPLE_RECNO_NEXT(pointer, dbt, recno, retdata, retdlen) \ 1582 do { \ 1583 if (*((u_int32_t *)(pointer)) == (u_int32_t)0) { \ 1584 recno = 0; \ 1585 retdata = NULL; \ 1586 pointer = NULL; \ 1587 break; \ 1588 } \ 1589 recno = *(u_int32_t *)(pointer); \ 1590 (pointer) = (u_int32_t *)(pointer) - 1; \ 1591 retdata = (u_int8_t *) \ 1592 (dbt)->data + *(u_int32_t *)(pointer); \ 1593 (pointer) = (u_int32_t *)(pointer) - 1; \ 1594 retdlen = *(u_int32_t *)(pointer); \ 1595 (pointer) = (u_int32_t *)(pointer) - 1; \ 1596 } while (0) 1597 1598/******************************************************* 1599 * Access method cursors. 1600 *******************************************************/ 1601struct __dbc { 1602 DB *dbp; /* Backing database */ 1603 DB_ENV *dbenv; /* Backing environment */ 1604 ENV *env; /* Backing environment */ 1605 1606 DB_THREAD_INFO *thread_info; /* Thread that owns this cursor. */ 1607 DB_TXN *txn; /* Associated transaction. */ 1608 DB_CACHE_PRIORITY priority; /* Priority in cache. */ 1609 1610 /* 1611 * Active/free cursor queues. 1612 * 1613 * !!! 1614 * Explicit representations of structures from queue.h. 1615 * TAILQ_ENTRY(__dbc) links; 1616 */ 1617 struct { 1618 DBC *tqe_next; 1619 DBC **tqe_prev; 1620 } links; 1621 1622 /* 1623 * The DBT *'s below are used by the cursor routines to return 1624 * data to the user when DBT flags indicate that DB should manage 1625 * the returned memory. They point at a DBT containing the buffer 1626 * and length that will be used, and "belonging" to the handle that 1627 * should "own" this memory. This may be a "my_*" field of this 1628 * cursor--the default--or it may be the corresponding field of 1629 * another cursor, a DB handle, a join cursor, etc. In general, it 1630 * will be whatever handle the user originally used for the current 1631 * DB interface call. 1632 */ 1633 DBT *rskey; /* Returned secondary key. */ 1634 DBT *rkey; /* Returned [primary] key. */ 1635 DBT *rdata; /* Returned data. */ 1636 1637 DBT my_rskey; /* Space for returned secondary key. */ 1638 DBT my_rkey; /* Space for returned [primary] key. */ 1639 DBT my_rdata; /* Space for returned data. */ 1640 1641 DB_LOCKER *lref; /* Reference to default locker. */ 1642 DB_LOCKER *locker; /* Locker for this operation. */ 1643 DBT lock_dbt; /* DBT referencing lock. */ 1644 DB_LOCK_ILOCK lock; /* Object to be locked. */ 1645 DB_LOCK mylock; /* CDB lock held on this cursor. */ 1646 1647 u_int cl_id; /* Remote client id. */ 1648 1649 DBTYPE dbtype; /* Cursor type. */ 1650 1651 DBC_INTERNAL *internal; /* Access method private. */ 1652 1653 /* DBC PUBLIC HANDLE LIST BEGIN */ 1654 int (*close) __P((DBC *)); 1655 int (*count) __P((DBC *, db_recno_t *, u_int32_t)); 1656 int (*del) __P((DBC *, u_int32_t)); 1657 int (*dup) __P((DBC *, DBC **, u_int32_t)); 1658 int (*get) __P((DBC *, DBT *, DBT *, u_int32_t)); 1659 int (*get_priority) __P((DBC *, DB_CACHE_PRIORITY *)); 1660 int (*pget) __P((DBC *, DBT *, DBT *, DBT *, u_int32_t)); 1661 int (*put) __P((DBC *, DBT *, DBT *, u_int32_t)); 1662 int (*set_priority) __P((DBC *, DB_CACHE_PRIORITY)); 1663 /* DBC PUBLIC HANDLE LIST END */ 1664 1665 /* The following are the method names deprecated in the 4.6 release. */ 1666 int (*c_close) __P((DBC *)); 1667 int (*c_count) __P((DBC *, db_recno_t *, u_int32_t)); 1668 int (*c_del) __P((DBC *, u_int32_t)); 1669 int (*c_dup) __P((DBC *, DBC **, u_int32_t)); 1670 int (*c_get) __P((DBC *, DBT *, DBT *, u_int32_t)); 1671 int (*c_pget) __P((DBC *, DBT *, DBT *, DBT *, u_int32_t)); 1672 int (*c_put) __P((DBC *, DBT *, DBT *, u_int32_t)); 1673 1674 /* DBC PRIVATE HANDLE LIST BEGIN */ 1675 int (*am_bulk) __P((DBC *, DBT *, u_int32_t)); 1676 int (*am_close) __P((DBC *, db_pgno_t, int *)); 1677 int (*am_del) __P((DBC *)); 1678 int (*am_destroy) __P((DBC *)); 1679 int (*am_get) __P((DBC *, DBT *, DBT *, u_int32_t, db_pgno_t *)); 1680 int (*am_put) __P((DBC *, DBT *, DBT *, u_int32_t, db_pgno_t *)); 1681 int (*am_writelock) __P((DBC *)); 1682 /* DBC PRIVATE HANDLE LIST END */ 1683 1684/* 1685 * DBC_DONTLOCK and DBC_RECOVER are used during recovery and transaction 1686 * abort. If a transaction is being aborted or recovered then DBC_RECOVER 1687 * will be set and locking and logging will be disabled on this cursor. If 1688 * we are performing a compensating transaction (e.g. free page processing) 1689 * then DB_DONTLOCK will be set to inhibit locking, but logging will still 1690 * be required. DB_DONTLOCK is also used if the whole database is locked. 1691 */ 1692#define DBC_ACTIVE 0x0001 /* Cursor in use. */ 1693#define DBC_DONTLOCK 0x0002 /* Don't lock on this cursor. */ 1694#define DBC_DUPLICATE 0x0004 /* Create a duplicate cursor. */ 1695#define DBC_MULTIPLE 0x0008 /* Return Multiple data. */ 1696#define DBC_MULTIPLE_KEY 0x0010 /* Return Multiple keys and data. */ 1697#define DBC_OPD 0x0020 /* Cursor references off-page dups. */ 1698#define DBC_OWN_LID 0x0040 /* Free lock id on destroy. */ 1699#define DBC_READ_COMMITTED 0x0080 /* Cursor has degree 2 isolation. */ 1700#define DBC_READ_UNCOMMITTED 0x0100 /* Cursor has degree 1 isolation. */ 1701#define DBC_RECOVER 0x0200 /* Recovery cursor; don't log/lock. */ 1702#define DBC_RMW 0x0400 /* Acquire write flag in read op. */ 1703#define DBC_TRANSIENT 0x0800 /* Cursor is transient. */ 1704#define DBC_WRITECURSOR 0x1000 /* Cursor may be used to write (CDB). */ 1705#define DBC_WRITER 0x2000 /* Cursor immediately writing (CDB). */ 1706 u_int32_t flags; 1707}; 1708 1709/* Key range statistics structure */ 1710struct __key_range { 1711 double less; 1712 double equal; 1713 double greater; 1714}; 1715 1716/* Btree/Recno statistics structure. */ 1717struct __db_bt_stat { 1718 u_int32_t bt_magic; /* Magic number. */ 1719 u_int32_t bt_version; /* Version number. */ 1720 u_int32_t bt_metaflags; /* Metadata flags. */ 1721 u_int32_t bt_nkeys; /* Number of unique keys. */ 1722 u_int32_t bt_ndata; /* Number of data items. */ 1723 u_int32_t bt_pagecnt; /* Page count. */ 1724 u_int32_t bt_pagesize; /* Page size. */ 1725 u_int32_t bt_minkey; /* Minkey value. */ 1726 u_int32_t bt_re_len; /* Fixed-length record length. */ 1727 u_int32_t bt_re_pad; /* Fixed-length record pad. */ 1728 u_int32_t bt_levels; /* Tree levels. */ 1729 u_int32_t bt_int_pg; /* Internal pages. */ 1730 u_int32_t bt_leaf_pg; /* Leaf pages. */ 1731 u_int32_t bt_dup_pg; /* Duplicate pages. */ 1732 u_int32_t bt_over_pg; /* Overflow pages. */ 1733 u_int32_t bt_empty_pg; /* Empty pages. */ 1734 u_int32_t bt_free; /* Pages on the free list. */ 1735 u_int32_t bt_int_pgfree; /* Bytes free in internal pages. */ 1736 u_int32_t bt_leaf_pgfree; /* Bytes free in leaf pages. */ 1737 u_int32_t bt_dup_pgfree; /* Bytes free in duplicate pages. */ 1738 u_int32_t bt_over_pgfree; /* Bytes free in overflow pages. */ 1739}; 1740 1741struct __db_compact { 1742 /* Input Parameters. */ 1743 u_int32_t compact_fillpercent; /* Desired fillfactor: 1-100 */ 1744 db_timeout_t compact_timeout; /* Lock timeout. */ 1745 u_int32_t compact_pages; /* Max pages to process. */ 1746 /* Output Stats. */ 1747 u_int32_t compact_pages_free; /* Number of pages freed. */ 1748 u_int32_t compact_pages_examine; /* Number of pages examine. */ 1749 u_int32_t compact_levels; /* Number of levels removed. */ 1750 u_int32_t compact_deadlock; /* Number of deadlocks. */ 1751 db_pgno_t compact_pages_truncated; /* Pages truncated to OS. */ 1752 /* Internal. */ 1753 db_pgno_t compact_truncate; /* Page number for truncation */ 1754}; 1755 1756/* Hash statistics structure. */ 1757struct __db_h_stat { 1758 u_int32_t hash_magic; /* Magic number. */ 1759 u_int32_t hash_version; /* Version number. */ 1760 u_int32_t hash_metaflags; /* Metadata flags. */ 1761 u_int32_t hash_nkeys; /* Number of unique keys. */ 1762 u_int32_t hash_ndata; /* Number of data items. */ 1763 u_int32_t hash_pagecnt; /* Page count. */ 1764 u_int32_t hash_pagesize; /* Page size. */ 1765 u_int32_t hash_ffactor; /* Fill factor specified at create. */ 1766 u_int32_t hash_buckets; /* Number of hash buckets. */ 1767 u_int32_t hash_free; /* Pages on the free list. */ 1768 u_int32_t hash_bfree; /* Bytes free on bucket pages. */ 1769 u_int32_t hash_bigpages; /* Number of big key/data pages. */ 1770 u_int32_t hash_big_bfree; /* Bytes free on big item pages. */ 1771 u_int32_t hash_overflows; /* Number of overflow pages. */ 1772 u_int32_t hash_ovfl_free; /* Bytes free on ovfl pages. */ 1773 u_int32_t hash_dup; /* Number of dup pages. */ 1774 u_int32_t hash_dup_free; /* Bytes free on duplicate pages. */ 1775}; 1776 1777/* Queue statistics structure. */ 1778struct __db_qam_stat { 1779 u_int32_t qs_magic; /* Magic number. */ 1780 u_int32_t qs_version; /* Version number. */ 1781 u_int32_t qs_metaflags; /* Metadata flags. */ 1782 u_int32_t qs_nkeys; /* Number of unique keys. */ 1783 u_int32_t qs_ndata; /* Number of data items. */ 1784 u_int32_t qs_pagesize; /* Page size. */ 1785 u_int32_t qs_extentsize; /* Pages per extent. */ 1786 u_int32_t qs_pages; /* Data pages. */ 1787 u_int32_t qs_re_len; /* Fixed-length record length. */ 1788 u_int32_t qs_re_pad; /* Fixed-length record pad. */ 1789 u_int32_t qs_pgfree; /* Bytes free in data pages. */ 1790 u_int32_t qs_first_recno; /* First not deleted record. */ 1791 u_int32_t qs_cur_recno; /* Next available record number. */ 1792}; 1793 1794/******************************************************* 1795 * Environment. 1796 *******************************************************/ 1797#define DB_REGION_MAGIC 0x120897 /* Environment magic number. */ 1798 1799/* 1800 * Database environment structure. 1801 * 1802 * This is the public database environment handle. The private environment 1803 * handle is the ENV structure. The user owns this structure, the library 1804 * owns the ENV structure. The reason there are two structures is because 1805 * the user's configuration outlives any particular DB_ENV->open call, and 1806 * separate structures allows us to easily discard internal information without 1807 * discarding the user's configuration. 1808 * 1809 * Fields in the DB_ENV structure should normally be set only by application 1810 * DB_ENV handle methods. 1811 */ 1812struct __db_env { 1813 ENV *env; /* Linked ENV structure */ 1814 1815 /* 1816 * The DB_ENV structure can be used concurrently, so field access is 1817 * protected. 1818 */ 1819 db_mutex_t mtx_db_env; /* DB_ENV structure mutex */ 1820 1821 /* Error message callback */ 1822 void (*db_errcall) __P((const DB_ENV *, const char *, const char *)); 1823 FILE *db_errfile; /* Error message file stream */ 1824 const char *db_errpfx; /* Error message prefix */ 1825 1826 /* Other message callback */ 1827 void (*db_msgcall) __P((const DB_ENV *, const char *)); 1828 FILE *db_msgfile; /* Other message file stream */ 1829 1830 /* Other application callback functions */ 1831 int (*app_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops)); 1832 void (*db_event_func) __P((DB_ENV *, u_int32_t, void *)); 1833 void (*db_feedback) __P((DB_ENV *, int, int)); 1834 void (*db_free) __P((void *)); 1835 void (*db_paniccall) __P((DB_ENV *, int)); 1836 void *(*db_malloc) __P((size_t)); 1837 void *(*db_realloc) __P((void *, size_t)); 1838 int (*is_alive) __P((DB_ENV *, pid_t, db_threadid_t, u_int32_t)); 1839 void (*thread_id) __P((DB_ENV *, pid_t *, db_threadid_t *)); 1840 char *(*thread_id_string) __P((DB_ENV *, pid_t, db_threadid_t, char *)); 1841 1842 /* Application specified paths */ 1843 char *db_log_dir; /* Database log file directory */ 1844 char *db_tmp_dir; /* Database tmp file directory */ 1845 1846 char **db_data_dir; /* Database data file directories */ 1847 int data_cnt; /* Database data file slots */ 1848 int data_next; /* Next database data file slot */ 1849 1850 char *intermediate_dir_mode; /* Intermediate directory perms */ 1851 1852 long shm_key; /* shmget key */ 1853 1854 char *passwd; /* Cryptography support */ 1855 size_t passwd_len; 1856 1857 void *cl_handle; /* RPC: remote client handle */ 1858 u_int cl_id; /* RPC: remote client env id */ 1859 1860 /* Private handle references */ 1861 void *app_private; /* Application-private handle */ 1862 void *api1_internal; /* C++, Perl API private */ 1863 void *api2_internal; /* Java API private */ 1864 1865 u_int32_t verbose; /* DB_VERB_XXX flags */ 1866 1867 /* Mutex configuration */ 1868 u_int32_t mutex_align; /* Mutex alignment */ 1869 u_int32_t mutex_cnt; /* Number of mutexes to configure */ 1870 u_int32_t mutex_inc; /* Number of mutexes to add */ 1871 u_int32_t mutex_tas_spins;/* Test-and-set spin count */ 1872 1873 /* Locking configuration */ 1874 u_int8_t *lk_conflicts; /* Two dimensional conflict matrix */ 1875 int lk_modes; /* Number of lock modes in table */ 1876 u_int32_t lk_detect; /* Deadlock detect on all conflicts */ 1877 u_int32_t lk_max; /* Maximum number of locks */ 1878 u_int32_t lk_max_lockers;/* Maximum number of lockers */ 1879 u_int32_t lk_max_objects;/* Maximum number of locked objects */ 1880 u_int32_t lk_partitions ;/* Number of object partitions */ 1881 db_timeout_t lk_timeout; /* Lock timeout period */ 1882 1883 /* Logging configuration */ 1884 u_int32_t lg_bsize; /* Buffer size */ 1885 int lg_filemode; /* Log file permission mode */ 1886 u_int32_t lg_regionmax; /* Region size */ 1887 u_int32_t lg_size; /* Log file size */ 1888 u_int32_t lg_flags; /* Log configuration */ 1889 1890 /* Memory pool configuration */ 1891 u_int32_t mp_gbytes; /* Cache size: GB */ 1892 u_int32_t mp_bytes; /* Cache size: bytes */ 1893 u_int32_t mp_max_gbytes; /* Maximum cache size: GB */ 1894 u_int32_t mp_max_bytes; /* Maximum cache size: bytes */ 1895 size_t mp_mmapsize; /* Maximum file size for mmap */ 1896 int mp_maxopenfd; /* Maximum open file descriptors */ 1897 int mp_maxwrite; /* Maximum buffers to write */ 1898 u_int mp_ncache; /* Initial number of cache regions */ 1899 /* Sleep after writing max buffers */ 1900 db_timeout_t mp_maxwrite_sleep; 1901 1902 /* Transaction configuration */ 1903 u_int32_t tx_max; /* Maximum number of transactions */ 1904 time_t tx_timestamp; /* Recover to specific timestamp */ 1905 db_timeout_t tx_timeout; /* Timeout for transactions */ 1906 1907 /* Thread tracking configuration */ 1908 u_int32_t thr_max; /* Thread count */ 1909 1910 /* 1911 * The following fields are not strictly user-owned, but they outlive 1912 * the ENV structure, and so are stored here. 1913 */ 1914 DB_FH *registry; /* DB_REGISTER file handle */ 1915 u_int32_t registry_off; /* 1916 * Offset of our slot. We can't use 1917 * off_t because its size depends on 1918 * build settings. 1919 */ 1920 1921#define DB_ENV_AUTO_COMMIT 0x00000001 /* DB_AUTO_COMMIT */ 1922#define DB_ENV_CDB_ALLDB 0x00000002 /* CDB environment wide locking */ 1923#define DB_ENV_DIRECT_DB 0x00000004 /* DB_DIRECT_DB set */ 1924#define DB_ENV_DSYNC_DB 0x00000008 /* DB_DSYNC_DB set */ 1925#define DB_ENV_MULTIVERSION 0x00000010 /* DB_MULTIVERSION set */ 1926#define DB_ENV_NOLOCKING 0x00000020 /* DB_NOLOCKING set */ 1927#define DB_ENV_NOMMAP 0x00000040 /* DB_NOMMAP set */ 1928#define DB_ENV_NOPANIC 0x00000080 /* Okay if panic set */ 1929#define DB_ENV_OVERWRITE 0x00000100 /* DB_OVERWRITE set */ 1930#define DB_ENV_REGION_INIT 0x00000200 /* DB_REGION_INIT set */ 1931#define DB_ENV_RPCCLIENT 0x00000400 /* DB_RPCCLIENT set */ 1932#define DB_ENV_RPCCLIENT_GIVEN 0x00000800 /* User-supplied RPC client struct */ 1933#define DB_ENV_TIME_NOTGRANTED 0x00001000 /* DB_TIME_NOTGRANTED set */ 1934#define DB_ENV_TXN_NOSYNC 0x00002000 /* DB_TXN_NOSYNC set */ 1935#define DB_ENV_TXN_NOWAIT 0x00004000 /* DB_TXN_NOWAIT set */ 1936#define DB_ENV_TXN_SNAPSHOT 0x00008000 /* DB_TXN_SNAPSHOT set */ 1937#define DB_ENV_TXN_WRITE_NOSYNC 0x00010000 /* DB_TXN_WRITE_NOSYNC set */ 1938#define DB_ENV_YIELDCPU 0x00020000 /* DB_YIELDCPU set */ 1939 u_int32_t flags; 1940 1941 /* DB_ENV PUBLIC HANDLE LIST BEGIN */ 1942 int (*cdsgroup_begin) __P((DB_ENV *, DB_TXN **)); 1943 int (*close) __P((DB_ENV *, u_int32_t)); 1944 int (*dbremove) __P((DB_ENV *, 1945 DB_TXN *, const char *, const char *, u_int32_t)); 1946 int (*dbrename) __P((DB_ENV *, 1947 DB_TXN *, const char *, const char *, const char *, u_int32_t)); 1948 void (*err) __P((const DB_ENV *, int, const char *, ...)); 1949 void (*errx) __P((const DB_ENV *, const char *, ...)); 1950 int (*failchk) __P((DB_ENV *, u_int32_t)); 1951 int (*fileid_reset) __P((DB_ENV *, const char *, u_int32_t)); 1952 int (*get_cache_max) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 1953 int (*get_cachesize) __P((DB_ENV *, u_int32_t *, u_int32_t *, int *)); 1954 int (*get_data_dirs) __P((DB_ENV *, const char ***)); 1955 int (*get_encrypt_flags) __P((DB_ENV *, u_int32_t *)); 1956 void (*get_errcall) __P((DB_ENV *, 1957 void (**)(const DB_ENV *, const char *, const char *))); 1958 void (*get_errfile) __P((DB_ENV *, FILE **)); 1959 void (*get_errpfx) __P((DB_ENV *, const char **)); 1960 int (*get_flags) __P((DB_ENV *, u_int32_t *)); 1961 int (*get_home) __P((DB_ENV *, const char **)); 1962 int (*get_intermediate_dir_mode) __P((DB_ENV *, const char **)); 1963 int (*get_lg_bsize) __P((DB_ENV *, u_int32_t *)); 1964 int (*get_lg_dir) __P((DB_ENV *, const char **)); 1965 int (*get_lg_filemode) __P((DB_ENV *, int *)); 1966 int (*get_lg_max) __P((DB_ENV *, u_int32_t *)); 1967 int (*get_lg_regionmax) __P((DB_ENV *, u_int32_t *)); 1968 int (*get_lk_conflicts) __P((DB_ENV *, const u_int8_t **, int *)); 1969 int (*get_lk_detect) __P((DB_ENV *, u_int32_t *)); 1970 int (*get_lk_max_lockers) __P((DB_ENV *, u_int32_t *)); 1971 int (*get_lk_max_locks) __P((DB_ENV *, u_int32_t *)); 1972 int (*get_lk_max_objects) __P((DB_ENV *, u_int32_t *)); 1973 int (*get_lk_partitions) __P((DB_ENV *, u_int32_t *)); 1974 int (*get_mp_max_openfd) __P((DB_ENV *, int *)); 1975 int (*get_mp_max_write) __P((DB_ENV *, int *, db_timeout_t *)); 1976 int (*get_mp_mmapsize) __P((DB_ENV *, size_t *)); 1977 void (*get_msgfile) __P((DB_ENV *, FILE **)); 1978 int (*get_open_flags) __P((DB_ENV *, u_int32_t *)); 1979 int (*get_shm_key) __P((DB_ENV *, long *)); 1980 int (*get_thread_count) __P((DB_ENV *, u_int32_t *)); 1981 int (*get_timeout) __P((DB_ENV *, db_timeout_t *, u_int32_t)); 1982 int (*get_tmp_dir) __P((DB_ENV *, const char **)); 1983 int (*get_tx_max) __P((DB_ENV *, u_int32_t *)); 1984 int (*get_tx_timestamp) __P((DB_ENV *, time_t *)); 1985 int (*get_verbose) __P((DB_ENV *, u_int32_t, int *)); 1986 int (*is_bigendian) __P((void)); 1987 int (*lock_detect) __P((DB_ENV *, u_int32_t, u_int32_t, int *)); 1988 int (*lock_get) __P((DB_ENV *, 1989 u_int32_t, u_int32_t, const DBT *, db_lockmode_t, DB_LOCK *)); 1990 int (*lock_id) __P((DB_ENV *, u_int32_t *)); 1991 int (*lock_id_free) __P((DB_ENV *, u_int32_t)); 1992 int (*lock_put) __P((DB_ENV *, DB_LOCK *)); 1993 int (*lock_stat) __P((DB_ENV *, DB_LOCK_STAT **, u_int32_t)); 1994 int (*lock_stat_print) __P((DB_ENV *, u_int32_t)); 1995 int (*lock_vec) __P((DB_ENV *, 1996 u_int32_t, u_int32_t, DB_LOCKREQ *, int, DB_LOCKREQ **)); 1997 int (*log_archive) __P((DB_ENV *, char **[], u_int32_t)); 1998 int (*log_cursor) __P((DB_ENV *, DB_LOGC **, u_int32_t)); 1999 int (*log_file) __P((DB_ENV *, const DB_LSN *, char *, size_t)); 2000 int (*log_flush) __P((DB_ENV *, const DB_LSN *)); 2001 int (*log_get_config) __P((DB_ENV *, u_int32_t, int *)); 2002 int (*log_printf) __P((DB_ENV *, DB_TXN *, const char *, ...)); 2003 int (*log_put) __P((DB_ENV *, DB_LSN *, const DBT *, u_int32_t)); 2004 int (*log_set_config) __P((DB_ENV *, u_int32_t, int)); 2005 int (*log_stat) __P((DB_ENV *, DB_LOG_STAT **, u_int32_t)); 2006 int (*log_stat_print) __P((DB_ENV *, u_int32_t)); 2007 int (*lsn_reset) __P((DB_ENV *, const char *, u_int32_t)); 2008 int (*memp_fcreate) __P((DB_ENV *, DB_MPOOLFILE **, u_int32_t)); 2009 int (*memp_register) __P((DB_ENV *, int, int (*)(DB_ENV *, db_pgno_t, 2010 void *, DBT *), int (*)(DB_ENV *, db_pgno_t, void *, DBT *))); 2011 int (*memp_stat) __P((DB_ENV *, 2012 DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, u_int32_t)); 2013 int (*memp_stat_print) __P((DB_ENV *, u_int32_t)); 2014 int (*memp_sync) __P((DB_ENV *, DB_LSN *)); 2015 int (*memp_trickle) __P((DB_ENV *, int, int *)); 2016 int (*mutex_alloc) __P((DB_ENV *, u_int32_t, db_mutex_t *)); 2017 int (*mutex_free) __P((DB_ENV *, db_mutex_t)); 2018 int (*mutex_get_align) __P((DB_ENV *, u_int32_t *)); 2019 int (*mutex_get_increment) __P((DB_ENV *, u_int32_t *)); 2020 int (*mutex_get_max) __P((DB_ENV *, u_int32_t *)); 2021 int (*mutex_get_tas_spins) __P((DB_ENV *, u_int32_t *)); 2022 int (*mutex_lock) __P((DB_ENV *, db_mutex_t)); 2023 int (*mutex_set_align) __P((DB_ENV *, u_int32_t)); 2024 int (*mutex_set_increment) __P((DB_ENV *, u_int32_t)); 2025 int (*mutex_set_max) __P((DB_ENV *, u_int32_t)); 2026 int (*mutex_set_tas_spins) __P((DB_ENV *, u_int32_t)); 2027 int (*mutex_stat) __P((DB_ENV *, DB_MUTEX_STAT **, u_int32_t)); 2028 int (*mutex_stat_print) __P((DB_ENV *, u_int32_t)); 2029 int (*mutex_unlock) __P((DB_ENV *, db_mutex_t)); 2030 int (*open) __P((DB_ENV *, const char *, u_int32_t, int)); 2031 int (*remove) __P((DB_ENV *, const char *, u_int32_t)); 2032 int (*rep_elect) __P((DB_ENV *, u_int32_t, u_int32_t, u_int32_t)); 2033 int (*rep_flush) __P((DB_ENV *)); 2034 int (*rep_get_clockskew) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2035 int (*rep_get_config) __P((DB_ENV *, u_int32_t, int *)); 2036 int (*rep_get_limit) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2037 int (*rep_get_nsites) __P((DB_ENV *, u_int32_t *)); 2038 int (*rep_get_priority) __P((DB_ENV *, u_int32_t *)); 2039 int (*rep_get_request) __P((DB_ENV *, u_int32_t *, u_int32_t *)); 2040 int (*rep_get_timeout) __P((DB_ENV *, int, u_int32_t *)); 2041 int (*rep_process_message) 2042 __P((DB_ENV *, DBT *, DBT *, int, DB_LSN *)); 2043 int (*rep_set_clockskew) __P((DB_ENV *, u_int32_t, u_int32_t)); 2044 int (*rep_set_config) __P((DB_ENV *, u_int32_t, int)); 2045 int (*rep_set_limit) __P((DB_ENV *, u_int32_t, u_int32_t)); 2046 int (*rep_set_nsites) __P((DB_ENV *, u_int32_t)); 2047 int (*rep_set_priority) __P((DB_ENV *, u_int32_t)); 2048 int (*rep_set_request) __P((DB_ENV *, u_int32_t, u_int32_t)); 2049 int (*rep_set_timeout) __P((DB_ENV *, int, db_timeout_t)); 2050 int (*rep_set_transport) __P((DB_ENV *, int, int (*)(DB_ENV *, 2051 const DBT *, const DBT *, const DB_LSN *, int, u_int32_t))); 2052 int (*rep_start) __P((DB_ENV *, DBT *, u_int32_t)); 2053 int (*rep_stat) __P((DB_ENV *, DB_REP_STAT **, u_int32_t)); 2054 int (*rep_stat_print) __P((DB_ENV *, u_int32_t)); 2055 int (*rep_sync) __P((DB_ENV *, u_int32_t)); 2056 int (*repmgr_add_remote_site) 2057 __P((DB_ENV *, const char *, u_int, int *, u_int32_t)); 2058 int (*repmgr_get_ack_policy) __P((DB_ENV *, int *)); 2059 int (*repmgr_set_ack_policy) __P((DB_ENV *, int)); 2060 int (*repmgr_set_local_site) 2061 __P((DB_ENV *, const char *, u_int, u_int32_t)); 2062 int (*repmgr_site_list) 2063 __P((DB_ENV *, u_int *, DB_REPMGR_SITE **)); 2064 int (*repmgr_start) __P((DB_ENV *, int, u_int32_t)); 2065 int (*repmgr_stat) __P((DB_ENV *, DB_REPMGR_STAT **, u_int32_t)); 2066 int (*repmgr_stat_print) __P((DB_ENV *, u_int32_t)); 2067 int (*set_alloc) __P((DB_ENV *, void *(*)(size_t), 2068 void *(*)(void *, size_t), void (*)(void *))); 2069 int (*set_app_dispatch) 2070 __P((DB_ENV *, int (*)(DB_ENV *, DBT *, DB_LSN *, db_recops))); 2071 int (*set_cache_max) __P((DB_ENV *, u_int32_t, u_int32_t)); 2072 int (*set_cachesize) __P((DB_ENV *, u_int32_t, u_int32_t, int)); 2073 int (*set_data_dir) __P((DB_ENV *, const char *)); 2074 int (*set_encrypt) __P((DB_ENV *, const char *, u_int32_t)); 2075 void (*set_errcall) __P((DB_ENV *, 2076 void (*)(const DB_ENV *, const char *, const char *))); 2077 void (*set_errfile) __P((DB_ENV *, FILE *)); 2078 void (*set_errpfx) __P((DB_ENV *, const char *)); 2079 int (*set_event_notify) 2080 __P((DB_ENV *, void (*)(DB_ENV *, u_int32_t, void *))); 2081 int (*set_feedback) __P((DB_ENV *, void (*)(DB_ENV *, int, int))); 2082 int (*set_flags) __P((DB_ENV *, u_int32_t, int)); 2083 int (*set_intermediate_dir_mode) __P((DB_ENV *, const char *)); 2084 int (*set_isalive) __P((DB_ENV *, 2085 int (*)(DB_ENV *, pid_t, db_threadid_t, u_int32_t))); 2086 int (*set_lg_bsize) __P((DB_ENV *, u_int32_t)); 2087 int (*set_lg_dir) __P((DB_ENV *, const char *)); 2088 int (*set_lg_filemode) __P((DB_ENV *, int)); 2089 int (*set_lg_max) __P((DB_ENV *, u_int32_t)); 2090 int (*set_lg_regionmax) __P((DB_ENV *, u_int32_t)); 2091 int (*set_lk_conflicts) __P((DB_ENV *, u_int8_t *, int)); 2092 int (*set_lk_detect) __P((DB_ENV *, u_int32_t)); 2093 int (*set_lk_max_lockers) __P((DB_ENV *, u_int32_t)); 2094 int (*set_lk_max_locks) __P((DB_ENV *, u_int32_t)); 2095 int (*set_lk_max_objects) __P((DB_ENV *, u_int32_t)); 2096 int (*set_lk_partitions) __P((DB_ENV *, u_int32_t)); 2097 int (*set_mp_max_openfd) __P((DB_ENV *, int)); 2098 int (*set_mp_max_write) __P((DB_ENV *, int, db_timeout_t)); 2099 int (*set_mp_mmapsize) __P((DB_ENV *, size_t)); 2100 void (*set_msgcall) 2101 __P((DB_ENV *, void (*)(const DB_ENV *, const char *))); 2102 void (*set_msgfile) __P((DB_ENV *, FILE *)); 2103 int (*set_paniccall) __P((DB_ENV *, void (*)(DB_ENV *, int))); 2104 int (*set_rpc_server) 2105 __P((DB_ENV *, void *, const char *, long, long, u_int32_t)); 2106 int (*set_shm_key) __P((DB_ENV *, long)); 2107 int (*set_thread_count) __P((DB_ENV *, u_int32_t)); 2108 int (*set_thread_id) 2109 __P((DB_ENV *, void (*)(DB_ENV *, pid_t *, db_threadid_t *))); 2110 int (*set_thread_id_string) __P((DB_ENV *, 2111 char *(*)(DB_ENV *, pid_t, db_threadid_t, char *))); 2112 int (*set_timeout) __P((DB_ENV *, db_timeout_t, u_int32_t)); 2113 int (*set_tmp_dir) __P((DB_ENV *, const char *)); 2114 int (*set_tx_max) __P((DB_ENV *, u_int32_t)); 2115 int (*set_tx_timestamp) __P((DB_ENV *, time_t *)); 2116 int (*set_verbose) __P((DB_ENV *, u_int32_t, int)); 2117 int (*stat_print) __P((DB_ENV *, u_int32_t)); 2118 int (*txn_begin) __P((DB_ENV *, DB_TXN *, DB_TXN **, u_int32_t)); 2119 int (*txn_checkpoint) __P((DB_ENV *, u_int32_t, u_int32_t, u_int32_t)); 2120 int (*txn_recover) 2121 __P((DB_ENV *, DB_PREPLIST *, long, long *, u_int32_t)); 2122 int (*txn_stat) __P((DB_ENV *, DB_TXN_STAT **, u_int32_t)); 2123 int (*txn_stat_print) __P((DB_ENV *, u_int32_t)); 2124 /* DB_ENV PUBLIC HANDLE LIST END */ 2125 2126 /* DB_ENV PRIVATE HANDLE LIST BEGIN */ 2127 int (*prdbt) __P((DBT *, 2128 int, const char *, void *, int (*)(void *, const void *), int)); 2129 /* DB_ENV PRIVATE HANDLE LIST END */ 2130}; 2131 2132/* 2133 * Dispatch structure for recovery and print routines. Since internal and 2134 * external routines take different arguments (ENV versus DB_ENV), we need 2135 * something more elaborate than a single pointer and size. 2136 */ 2137struct __db_distab { 2138 int (**int_dispatch) __P((ENV *, DBT *, DB_LSN *, db_recops, void *)); 2139 size_t int_size; 2140 int (**ext_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops)); 2141 size_t ext_size; 2142}; 2143 2144#ifndef DB_DBM_HSEARCH 2145#define DB_DBM_HSEARCH 0 /* No historic interfaces by default. */ 2146#endif 2147#if DB_DBM_HSEARCH != 0 2148/******************************************************* 2149 * Dbm/Ndbm historic interfaces. 2150 *******************************************************/ 2151typedef struct __db DBM; 2152 2153#define DBM_INSERT 0 /* Flags to dbm_store(). */ 2154#define DBM_REPLACE 1 2155 2156/* 2157 * The DB support for ndbm(3) always appends this suffix to the 2158 * file name to avoid overwriting the user's original database. 2159 */ 2160#define DBM_SUFFIX ".db" 2161 2162#if defined(_XPG4_2) 2163typedef struct { 2164 char *dptr; 2165 size_t dsize; 2166} datum; 2167#else 2168typedef struct { 2169 char *dptr; 2170 int dsize; 2171} datum; 2172#endif 2173 2174/* 2175 * Translate NDBM calls into DB calls so that DB doesn't step on the 2176 * application's name space. 2177 */ 2178#define dbm_clearerr(a) __db_ndbm_clearerr(a) 2179#define dbm_close(a) __db_ndbm_close(a) 2180#define dbm_delete(a, b) __db_ndbm_delete(a, b) 2181#define dbm_dirfno(a) __db_ndbm_dirfno(a) 2182#define dbm_error(a) __db_ndbm_error(a) 2183#define dbm_fetch(a, b) __db_ndbm_fetch(a, b) 2184#define dbm_firstkey(a) __db_ndbm_firstkey(a) 2185#define dbm_nextkey(a) __db_ndbm_nextkey(a) 2186#define dbm_open(a, b, c) __db_ndbm_open(a, b, c) 2187#define dbm_pagfno(a) __db_ndbm_pagfno(a) 2188#define dbm_rdonly(a) __db_ndbm_rdonly(a) 2189#define dbm_store(a, b, c, d) \ 2190 __db_ndbm_store(a, b, c, d) 2191 2192/* 2193 * Translate DBM calls into DB calls so that DB doesn't step on the 2194 * application's name space. 2195 * 2196 * The global variables dbrdonly, dirf and pagf were not retained when 4BSD 2197 * replaced the dbm interface with ndbm, and are not supported here. 2198 */ 2199#define dbminit(a) __db_dbm_init(a) 2200#define dbmclose __db_dbm_close 2201#if !defined(__cplusplus) 2202#define delete(a) __db_dbm_delete(a) 2203#endif 2204#define fetch(a) __db_dbm_fetch(a) 2205#define firstkey __db_dbm_firstkey 2206#define nextkey(a) __db_dbm_nextkey(a) 2207#define store(a, b) __db_dbm_store(a, b) 2208 2209/******************************************************* 2210 * Hsearch historic interface. 2211 *******************************************************/ 2212typedef enum { 2213 FIND, ENTER 2214} ACTION; 2215 2216typedef struct entry { 2217 char *key; 2218 char *data; 2219} ENTRY; 2220 2221#define hcreate(a) __db_hcreate(a) 2222#define hdestroy __db_hdestroy 2223#define hsearch(a, b) __db_hsearch(a, b) 2224 2225#endif /* DB_DBM_HSEARCH */ 2226 2227#if defined(__cplusplus) 2228} 2229#endif 2230 2231#endif /* !_DB_H_ */ 2232/* DO NOT EDIT: automatically built by dist/s_apiflags. */ 2233#define DB_AGGRESSIVE 0x00000001 2234#define DB_ARCH_ABS 0x00000001 2235#define DB_ARCH_DATA 0x00000002 2236#define DB_ARCH_LOG 0x00000004 2237#define DB_ARCH_REMOVE 0x00000008 2238#define DB_AUTO_COMMIT 0x00000100 2239#define DB_CDB_ALLDB 0x00000004 2240#define DB_CHKSUM 0x00000004 2241#define DB_CKP_INTERNAL 0x00000002 2242#define DB_CREATE 0x00000001 2243#define DB_CXX_NO_EXCEPTIONS 0x00000002 2244#define DB_DIRECT 0x00000002 2245#define DB_DIRECT_DB 0x00000040 2246#define DB_DSYNC_DB 0x00000080 2247#define DB_DUP 0x00000008 2248#define DB_DUPSORT 0x00000002 2249#define DB_DURABLE_UNKNOWN 0x00000020 2250#define DB_ENCRYPT 0x00000001 2251#define DB_ENCRYPT_AES 0x00000001 2252#define DB_EXCL 0x00000400 2253#define DB_EXTENT 0x00000004 2254#define DB_FAST_STAT 0x00000001 2255#define DB_FCNTL_LOCKING 0x00001000 2256#define DB_FLUSH 0x00000001 2257#define DB_FORCE 0x00000001 2258#define DB_FOREIGN_ABORT 0x00000001 2259#define DB_FOREIGN_CASCADE 0x00000002 2260#define DB_FOREIGN_NULLIFY 0x00000004 2261#define DB_FREELIST_ONLY 0x00000001 2262#define DB_FREE_SPACE 0x00000002 2263#define DB_IGNORE_LEASE 0x00001000 2264#define DB_IMMUTABLE_KEY 0x00000002 2265#define DB_INIT_CDB 0x00000020 2266#define DB_INIT_LOCK 0x00000040 2267#define DB_INIT_LOG 0x00000080 2268#define DB_INIT_MPOOL 0x00000100 2269#define DB_INIT_REP 0x00000200 2270#define DB_INIT_TXN 0x00000400 2271#define DB_INORDER 0x00000010 2272#define DB_JOIN_NOSORT 0x00000001 2273#define DB_LOCKDOWN 0x00000800 2274#define DB_LOCK_NOWAIT 0x00000001 2275#define DB_LOCK_RECORD 0x00000002 2276#define DB_LOCK_SET_TIMEOUT 0x00000004 2277#define DB_LOCK_SWITCH 0x00000008 2278#define DB_LOCK_UPGRADE 0x00000010 2279#define DB_LOG_AUTO_REMOVE 0x00000004 2280#define DB_LOG_CHKPNT 0x00000002 2281#define DB_LOG_COMMIT 0x00000004 2282#define DB_LOG_DIRECT 0x00000001 2283#define DB_LOG_DSYNC 0x00000002 2284#define DB_LOG_IN_MEMORY 0x00000008 2285#define DB_LOG_NOCOPY 0x00000008 2286#define DB_LOG_NOT_DURABLE 0x00000010 2287#define DB_LOG_WRNOSYNC 0x00000020 2288#define DB_LOG_ZERO 0x00000010 2289#define DB_MPOOL_CREATE 0x00000001 2290#define DB_MPOOL_DIRTY 0x00000002 2291#define DB_MPOOL_DISCARD 0x00000001 2292#define DB_MPOOL_EDIT 0x00000004 2293#define DB_MPOOL_FREE 0x00000008 2294#define DB_MPOOL_LAST 0x00000010 2295#define DB_MPOOL_NEW 0x00000020 2296#define DB_MPOOL_NOFILE 0x00000001 2297#define DB_MPOOL_NOLOCK 0x00000002 2298#define DB_MPOOL_UNLINK 0x00000002 2299#define DB_MULTIPLE 0x00002000 2300#define DB_MULTIPLE_KEY 0x00000100 2301#define DB_MULTIVERSION 0x00000008 2302#define DB_MUTEX_ALLOCATED 0x00000001 2303#define DB_MUTEX_LOCKED 0x00000002 2304#define DB_MUTEX_LOGICAL_LOCK 0x00000004 2305#define DB_MUTEX_PROCESS_ONLY 0x00000008 2306#define DB_MUTEX_SELF_BLOCK 0x00000010 2307#define DB_NOLOCKING 0x00000200 2308#define DB_NOMMAP 0x00000010 2309#define DB_NOORDERCHK 0x00000002 2310#define DB_NOPANIC 0x00000400 2311#define DB_NO_AUTO_COMMIT 0x00002000 2312#define DB_ODDFILESIZE 0x00000040 2313#define DB_ORDERCHKONLY 0x00000004 2314#define DB_OVERWRITE 0x00001000 2315#define DB_PANIC_ENVIRONMENT 0x00002000 2316#define DB_PRINTABLE 0x00000008 2317#define DB_PRIVATE 0x00001000 2318#define DB_PR_PAGE 0x00000010 2319#define DB_PR_RECOVERYTEST 0x00000020 2320#define DB_RDONLY 0x00000080 2321#define DB_RDWRMASTER 0x00004000 2322#define DB_READ_COMMITTED 0x00000400 2323#define DB_READ_UNCOMMITTED 0x00000200 2324#define DB_RECNUM 0x00000020 2325#define DB_RECOVER 0x00000010 2326#define DB_RECOVER_FATAL 0x00002000 2327#define DB_REGION_INIT 0x00004000 2328#define DB_REGISTER 0x00004000 2329#define DB_RENUMBER 0x00000040 2330#define DB_REPMGR_CONF_2SITE_STRICT 0x00000001 2331#define DB_REPMGR_PEER 0x00000001 2332#define DB_REP_ANYWHERE 0x00000001 2333#define DB_REP_CLIENT 0x00000001 2334#define DB_REP_CONF_BULK 0x00000002 2335#define DB_REP_CONF_DELAYCLIENT 0x00000004 2336#define DB_REP_CONF_LEASE 0x00000008 2337#define DB_REP_CONF_NOAUTOINIT 0x00000010 2338#define DB_REP_CONF_NOWAIT 0x00000020 2339#define DB_REP_ELECTION 0x00000004 2340#define DB_REP_MASTER 0x00000002 2341#define DB_REP_NOBUFFER 0x00000002 2342#define DB_REP_PERMANENT 0x00000004 2343#define DB_REP_REREQUEST 0x00000008 2344#define DB_REVSPLITOFF 0x00000080 2345#define DB_RMW 0x00000800 2346#define DB_RPCCLIENT 0x00000001 2347#define DB_SALVAGE 0x00000040 2348#define DB_SA_SKIPFIRSTKEY 0x00010000 2349#define DB_SEQ_DEC 0x00000001 2350#define DB_SEQ_INC 0x00000002 2351#define DB_SEQ_RANGE_SET 0x00000004 2352#define DB_SEQ_WRAP 0x00000008 2353#define DB_SEQ_WRAPPED 0x00000010 2354#define DB_SET_LOCK_TIMEOUT 0x00000002 2355#define DB_SET_TXN_NOW 0x00000004 2356#define DB_SET_TXN_TIMEOUT 0x00000001 2357#define DB_SNAPSHOT 0x00000100 2358#define DB_STAT_ALL 0x00000002 2359#define DB_STAT_CLEAR 0x00000001 2360#define DB_STAT_LOCK_CONF 0x00000004 2361#define DB_STAT_LOCK_LOCKERS 0x00000008 2362#define DB_STAT_LOCK_OBJECTS 0x00000010 2363#define DB_STAT_LOCK_PARAMS 0x00000020 2364#define DB_STAT_MEMP_HASH 0x00000004 2365#define DB_STAT_MEMP_NOERROR 0x00000008 2366#define DB_STAT_SUBSYSTEM 0x00000004 2367#define DB_ST_DUPOK 0x00000100 2368#define DB_ST_DUPSET 0x00000200 2369#define DB_ST_DUPSORT 0x00000400 2370#define DB_ST_IS_RECNO 0x00000800 2371#define DB_ST_OVFL_LEAF 0x00001000 2372#define DB_ST_RECNUM 0x00002000 2373#define DB_ST_RELEN 0x00004000 2374#define DB_ST_TOPLEVEL 0x00008000 2375#define DB_SYSTEM_MEM 0x00008000 2376#define DB_THREAD 0x00000004 2377#define DB_TIME_NOTGRANTED 0x00008000 2378#define DB_TRUNCATE 0x00008000 2379#define DB_TXN_NOSYNC 0x00000001 2380#define DB_TXN_NOT_DURABLE 0x00000200 2381#define DB_TXN_NOWAIT 0x00000002 2382#define DB_TXN_SNAPSHOT 0x00000800 2383#define DB_TXN_SYNC 0x00000004 2384#define DB_TXN_WAIT 0x00000008 2385#define DB_TXN_WRITE_NOSYNC 0x00000020 2386#define DB_UNREF 0x00000080 2387#define DB_UPGRADE 0x00000001 2388#define DB_USE_ENVIRON 0x00000002 2389#define DB_USE_ENVIRON_ROOT 0x00000008 2390#define DB_VERB_DEADLOCK 0x00000001 2391#define DB_VERB_FILEOPS 0x00000002 2392#define DB_VERB_FILEOPS_ALL 0x00000004 2393#define DB_VERB_RECOVERY 0x00000008 2394#define DB_VERB_REGISTER 0x00000010 2395#define DB_VERB_REPLICATION 0x00000020 2396#define DB_VERB_REPMGR_CONNFAIL 0x00000040 2397#define DB_VERB_REPMGR_MISC 0x00000080 2398#define DB_VERB_REP_ELECT 0x00000100 2399#define DB_VERB_REP_LEASE 0x00000200 2400#define DB_VERB_REP_MISC 0x00000400 2401#define DB_VERB_REP_MSGS 0x00000800 2402#define DB_VERB_REP_SYNC 0x00001000 2403#define DB_VERB_WAITSFOR 0x00002000 2404#define DB_VERIFY 0x00000002 2405#define DB_WRITEOPEN 0x00010000 2406#define DB_XA_CREATE 0x00000800 2407#define DB_YIELDCPU 0x00010000 2408 2409/* DO NOT EDIT: automatically built by dist/s_include. */ 2410#ifndef _DB_EXT_PROT_IN_ 2411#define _DB_EXT_PROT_IN_ 2412 2413#if defined(__cplusplus) 2414extern "C" { 2415#endif 2416 2417int db_create __P((DB **, DB_ENV *, u_int32_t)); 2418char *db_strerror __P((int)); 2419int db_env_set_func_close __P((int (*)(int))); 2420int db_env_set_func_dirfree __P((void (*)(char **, int))); 2421int db_env_set_func_dirlist __P((int (*)(const char *, char ***, int *))); 2422int db_env_set_func_exists __P((int (*)(const char *, int *))); 2423int db_env_set_func_free __P((void (*)(void *))); 2424int db_env_set_func_fsync __P((int (*)(int))); 2425int db_env_set_func_ftruncate __P((int (*)(int, off_t))); 2426int db_env_set_func_ioinfo __P((int (*)(const char *, int, u_int32_t *, u_int32_t *, u_int32_t *))); 2427int db_env_set_func_malloc __P((void *(*)(size_t))); 2428int db_env_set_func_file_map __P((int (*)(DB_ENV *, char *, size_t, int, void **), int (*)(DB_ENV *, void *))); 2429int db_env_set_func_region_map __P((int (*)(DB_ENV *, char *, size_t, int *, void **), int (*)(DB_ENV *, void *))); 2430int db_env_set_func_pread __P((ssize_t (*)(int, void *, size_t, off_t))); 2431int db_env_set_func_pwrite __P((ssize_t (*)(int, const void *, size_t, off_t))); 2432int db_env_set_func_open __P((int (*)(const char *, int, ...))); 2433int db_env_set_func_read __P((ssize_t (*)(int, void *, size_t))); 2434int db_env_set_func_realloc __P((void *(*)(void *, size_t))); 2435int db_env_set_func_rename __P((int (*)(const char *, const char *))); 2436int db_env_set_func_seek __P((int (*)(int, off_t, int))); 2437int db_env_set_func_unlink __P((int (*)(const char *))); 2438int db_env_set_func_write __P((ssize_t (*)(int, const void *, size_t))); 2439int db_env_set_func_yield __P((int (*)(u_long, u_long))); 2440int db_env_create __P((DB_ENV **, u_int32_t)); 2441char *db_version __P((int *, int *, int *)); 2442int log_compare __P((const DB_LSN *, const DB_LSN *)); 2443int db_sequence_create __P((DB_SEQUENCE **, DB *, u_int32_t)); 2444#if DB_DBM_HSEARCH != 0 2445int __db_ndbm_clearerr __P((DBM *)); 2446void __db_ndbm_close __P((DBM *)); 2447int __db_ndbm_delete __P((DBM *, datum)); 2448int __db_ndbm_dirfno __P((DBM *)); 2449int __db_ndbm_error __P((DBM *)); 2450datum __db_ndbm_fetch __P((DBM *, datum)); 2451datum __db_ndbm_firstkey __P((DBM *)); 2452datum __db_ndbm_nextkey __P((DBM *)); 2453DBM *__db_ndbm_open __P((const char *, int, int)); 2454int __db_ndbm_pagfno __P((DBM *)); 2455int __db_ndbm_rdonly __P((DBM *)); 2456int __db_ndbm_store __P((DBM *, datum, datum, int)); 2457int __db_dbm_close __P((void)); 2458int __db_dbm_delete __P((datum)); 2459datum __db_dbm_fetch __P((datum)); 2460datum __db_dbm_firstkey __P((void)); 2461int __db_dbm_init __P((char *)); 2462datum __db_dbm_nextkey __P((datum)); 2463int __db_dbm_store __P((datum, datum)); 2464#endif 2465#if DB_DBM_HSEARCH != 0 2466int __db_hcreate __P((size_t)); 2467ENTRY *__db_hsearch __P((ENTRY, ACTION)); 2468void __db_hdestroy __P((void)); 2469#endif 2470 2471#if defined(__cplusplus) 2472} 2473#endif 2474#endif /* !_DB_EXT_PROT_IN_ */ 2475