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