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Diffstat (limited to 'db/build_vxworks/db_int.h')
| -rw-r--r-- | db/build_vxworks/db_int.h | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/db/build_vxworks/db_int.h b/db/build_vxworks/db_int.h deleted file mode 100644 index 99dc2932e..000000000 --- a/db/build_vxworks/db_int.h +++ /dev/null @@ -1,398 +0,0 @@ -/* DO NOT EDIT: automatically built by dist/s_vxworks. */ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1996, 1997, 1998, 1999, 2000 - * Sleepycat Software. All rights reserved. - * - * $Id: db_int.src,v 11.42 2001/01/11 17:49:17 krinsky Exp $ - */ - -#ifndef _DB_INTERNAL_H_ -#define _DB_INTERNAL_H_ - -/******************************************************* - * General includes. - *******************************************************/ -#include "db.h" - -#ifndef NO_SYSTEM_INCLUDES -#if defined(__STDC__) || defined(__cplusplus) -#include <stdarg.h> -#else -#include <varargs.h> -#endif -#include <errno.h> -#endif - -#include "queue.h" -#include "shqueue.h" - -#if defined(__cplusplus) -extern "C" { -#endif - -/******************************************************* - * General purpose constants and macros. - *******************************************************/ -#define UINT16_T_MAX 0xffff /* Maximum 16 bit unsigned. */ -#define UINT32_T_MAX 0xffffffff /* Maximum 32 bit unsigned. */ - -#define MEGABYTE 1048576 -#define GIGABYTE 1073741824 - -#define MS_PER_SEC 1000 /* Milliseconds in a second. */ -#define USEC_PER_MS 1000 /* Microseconds in a millisecond. */ - -#define DB_MIN_PGSIZE 0x000200 /* Minimum page size (512). */ -#define DB_MAX_PGSIZE 0x010000 /* Maximum page size (65536). */ - -#define RECNO_OOB 0 /* Illegal record number. */ - -/* - * If we are unable to determine the underlying filesystem block size, use - * 8K on the grounds that most OS's use less than 8K for a VM page size. - */ -#define DB_DEF_IOSIZE (8 * 1024) - -/* - * Aligning items to particular sizes or in pages or memory. - * - * db_align_t -- - * Largest integral type, used to align structures in memory. We don't store - * floating point types in structures, so integral types should be sufficient - * (and we don't have to worry about systems that store floats in other than - * power-of-2 numbers of bytes). Additionally this fixes compiler that rewrite - * structure assignments and ANSI C memcpy calls to be in-line instructions - * that happen to require alignment. Note: this alignment isn't sufficient for - * mutexes, which depend on things like cache line alignment. Mutex alignment - * is handled separately, in mutex.h. - * - * db_alignp_t -- - * Integral type that's the same size as a pointer. There are places where - * DB modifies pointers by discarding the bottom bits to guarantee alignment. - * We can't use db_align_t, it may be larger than the pointer, and compilers - * get upset about that. So far we haven't run on any machine where there - * isn't an integral type the same size as a pointer -- here's hoping. - */ -typedef unsigned long db_align_t; -typedef unsigned long db_alignp_t; - -/* Align an integer to a specific boundary. */ -#undef ALIGN -#define ALIGN(value, bound) \ - (((value) + (bound) - 1) & ~(((u_int)bound) - 1)) - -/* Align a pointer to a specific boundary. */ -#undef ALIGNP -#define ALIGNP(value, bound) ALIGN((db_alignp_t)value, bound) - -/* - * There are several on-page structures that are declared to have a number of - * fields followed by a variable length array of items. The structure size - * without including the variable length array or the address of the first of - * those elements can be found using SSZ. - * - * This macro can also be used to find the offset of a structure element in a - * structure. This is used in various places to copy structure elements from - * unaligned memory references, e.g., pointers into a packed page. - * - * There are two versions because compilers object if you take the address of - * an array. - */ -#undef SSZ -#define SSZ(name, field) ((int)&(((name *)0)->field)) - -#undef SSZA -#define SSZA(name, field) ((int)&(((name *)0)->field[0])) - -/* - * Print an address as a u_long (a u_long is the largest type we can print - * portably). Most 64-bit systems have made longs 64-bits, so this should - * work. - */ -#define P_TO_ULONG(p) ((u_long)(db_alignp_t)(p)) - -/* Structure used to print flag values. */ -typedef struct __fn { - u_int32_t mask; /* Flag value. */ - const char *name; /* Flag name. */ -} FN; - -/* Set, clear and test flags. */ -#define FLD_CLR(fld, f) (fld) &= ~(f) -#define FLD_ISSET(fld, f) ((fld) & (f)) -#define FLD_SET(fld, f) (fld) |= (f) -#define F_CLR(p, f) (p)->flags &= ~(f) -#define F_ISSET(p, f) ((p)->flags & (f)) -#define F_SET(p, f) (p)->flags |= (f) -#define LF_CLR(f) (flags &= ~(f)) -#define LF_ISSET(f) (flags & (f)) -#define LF_SET(f) (flags |= (f)) - -/* Display separator string. */ -#undef DB_LINE -#define DB_LINE "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=" - -/* Unused, or not-used-yet variable. "Shut that bloody compiler up!" */ -#define COMPQUIET(n, v) (n) = (v) - -/******************************************************* - * Files. - *******************************************************/ - /* - * We use 1024 as the maximum path length. It's too hard to figure out what - * the real path length is, as it was traditionally stored in <sys/param.h>, - * and that file isn't always available. - */ -#undef MAXPATHLEN -#define MAXPATHLEN 1024 - -#define PATH_DOT "." /* Current working directory. */ -#define PATH_SEPARATOR "/\\" /* Path separator character. */ - -/* - * Flags understood by __os_open. - */ -#define DB_OSO_CREATE 0x001 /* POSIX: O_CREAT */ -#define DB_OSO_EXCL 0x002 /* POSIX: O_EXCL */ -#define DB_OSO_LOG 0x004 /* Opening a log file. */ -#define DB_OSO_RDONLY 0x008 /* POSIX: O_RDONLY */ -#define DB_OSO_REGION 0x010 /* Opening a region file. */ -#define DB_OSO_SEQ 0x020 /* Expected sequential access. */ -#define DB_OSO_TEMP 0x040 /* Remove after last close. */ -#define DB_OSO_TRUNC 0x080 /* POSIX: O_TRUNC */ - -/* - * Seek options understood by __os_seek. - */ -typedef enum { - DB_OS_SEEK_CUR, /* POSIX: SEEK_CUR */ - DB_OS_SEEK_END, /* POSIX: SEEK_END */ - DB_OS_SEEK_SET /* POSIX: SEEK_SET */ -} DB_OS_SEEK; - -/******************************************************* - * Environment. - *******************************************************/ -/* Type passed to __db_appname(). */ -typedef enum { - DB_APP_NONE=0, /* No type (region). */ - DB_APP_DATA, /* Data file. */ - DB_APP_LOG, /* Log file. */ - DB_APP_TMP /* Temporary file. */ -} APPNAME; - -/* - * CDB_LOCKING CDB product locking. - * LOCKING_ON Locking has been configured. - * LOGGING_ON Logging has been configured. - * MPOOL_ON Memory pool has been configured. - * TXN_ON Transactions have been configured. - */ -#define CDB_LOCKING(dbenv) F_ISSET(dbenv, DB_ENV_CDB) -#define LOCKING_ON(dbenv) ((dbenv)->lk_handle != NULL) -#define LOGGING_ON(dbenv) ((dbenv)->lg_handle != NULL) -#define MPOOL_ON(dbenv) ((dbenv)->mp_handle != NULL) -#define TXN_ON(dbenv) ((dbenv)->tx_handle != NULL) - -/* - * STD_LOCKING Standard locking, that is, locking was configured and CDB - * was not. We do not do locking in off-page duplicate trees, - * so we check for that in the cursor first. - */ -#define STD_LOCKING(dbc) \ - (!F_ISSET(dbc, DBC_OPD) && \ - !CDB_LOCKING((dbc)->dbp->dbenv) && LOCKING_ON((dbc)->dbp->dbenv)) - -/* - * IS_RECOVERING The system is running recovery. - */ -#define IS_RECOVERING(dbenv) \ - (LOGGING_ON(dbenv) && \ - F_ISSET((DB_LOG *)(dbenv)->lg_handle, DBLOG_RECOVER)) - -/* Most initialization methods cannot be called after open is called. */ -#define ENV_ILLEGAL_AFTER_OPEN(dbenv, name) \ - if (F_ISSET((dbenv), DB_ENV_OPEN_CALLED)) \ - return (__db_mi_open(dbenv, name, 1)); - -/* We're not actually user hostile, honest. */ -#define ENV_REQUIRES_CONFIG(dbenv, handle, subsystem) \ - if (handle == NULL) \ - return (__db_env_config(dbenv, subsystem)); - -/******************************************************* - * Database Access Methods. - *******************************************************/ -/* - * DB_IS_THREADED -- - * The database handle is free-threaded (was opened with DB_THREAD). - */ -#define DB_IS_THREADED(dbp) \ - ((dbp)->mutexp != NULL) - -/* Initialization methods are often illegal before/after open is called. */ -#define DB_ILLEGAL_AFTER_OPEN(dbp, name) \ - if (F_ISSET((dbp), DB_OPEN_CALLED)) \ - return (__db_mi_open(dbp->dbenv, name, 1)); -#define DB_ILLEGAL_BEFORE_OPEN(dbp, name) \ - if (!F_ISSET((dbp), DB_OPEN_CALLED)) \ - return (__db_mi_open(dbp->dbenv, name, 0)); -/* Some initialization methods are illegal if environment isn't local. */ -#define DB_ILLEGAL_IN_ENV(dbp, name) \ - if (!F_ISSET(dbp->dbenv, DB_ENV_DBLOCAL)) \ - return (__db_mi_env(dbp->dbenv, name)); -#define DB_ILLEGAL_METHOD(dbp, flags) { \ - int __ret; \ - if ((__ret = __dbh_am_chk(dbp, flags)) != 0) \ - return (__ret); \ -} - -/* - * Common DBC->internal fields. Each access method adds additional fields - * to this list, but the initial fields are common. - */ -#define __DBC_INTERNAL \ - DBC *opd; /* Off-page duplicate cursor. */\ - \ - void *page; /* Referenced page. */ \ - db_pgno_t root; /* Tree root. */ \ - db_pgno_t pgno; /* Referenced page number. */ \ - db_indx_t indx; /* Referenced key item index. */\ - \ - DB_LOCK lock; /* Cursor lock. */ \ - db_lockmode_t lock_mode; /* Lock mode. */ - -struct __dbc_internal { - __DBC_INTERNAL -}; - -/* - * Access-method-common macro for determining whether a cursor - * has been initialized. - */ -#define IS_INITIALIZED(dbc) ((dbc)->internal->pgno != PGNO_INVALID) - -/******************************************************* - * Mpool. - *******************************************************/ -/* - * File types for DB access methods. Negative numbers are reserved to DB. - */ -#define DB_FTYPE_SET -1 /* Call pgin/pgout functions. */ -#define DB_FTYPE_NOTSET 0 /* Don't call... */ - -/* Structure used as the DB pgin/pgout pgcookie. */ -typedef struct __dbpginfo { - size_t db_pagesize; /* Underlying page size. */ - int needswap; /* If swapping required. */ -} DB_PGINFO; - -/******************************************************* - * Log. - *******************************************************/ -/* Initialize an LSN to 'zero'. */ -#define ZERO_LSN(LSN) do { \ - (LSN).file = 0; \ - (LSN).offset = 0; \ -} while (0) - -/* Return 1 if LSN is a 'zero' lsn, otherwise return 0. */ -#define IS_ZERO_LSN(LSN) ((LSN).file == 0) - -/* Test if we need to log a change. */ -#define DB_LOGGING(dbc) \ - (LOGGING_ON((dbc)->dbp->dbenv) && !F_ISSET(dbc, DBC_RECOVER)) - -/* Internal flag for use with internal __log_unregister. */ -#define DB_LOGONLY 0x01 -/******************************************************* - * Txn. - *******************************************************/ -#define DB_NONBLOCK(C) ((C)->txn != NULL && F_ISSET((C)->txn, TXN_NOWAIT)) -#define IS_SUBTRANSACTION(txn) \ - ((txn) != NULL && (txn)->parent != NULL) - -/******************************************************* - * Global variables. - *******************************************************/ -#ifdef HAVE_VXWORKS -#include "semLib.h" -#endif - -/* - * DB global variables. Done in a single structure to minimize the name-space - * pollution. - */ -typedef struct __db_globals { - u_int32_t db_pageyield; /* db_set_pageyield */ - u_int32_t db_panic; /* db_set_panic */ - u_int32_t db_region_init; /* db_set_region_init */ - u_int32_t db_tas_spins; /* db_set_tas_spins */ -#ifdef HAVE_VXWORKS - u_int32_t db_global_init; /* VxWorks: inited */ - SEM_ID db_global_lock; /* VxWorks: global semaphore */ -#endif - /* XA: list of opened environments. */ - TAILQ_HEAD(__db_envq, __db_env) db_envq; -} DB_GLOBALS; - -#ifdef DB_INITIALIZE_DB_GLOBALS -DB_GLOBALS __db_global_values = { - 0, /* db_set_pageyield */ - 1, /* db_set_panic */ - 0, /* db_set_region_init */ - 0, /* db_set_tas_spins */ -#ifdef HAVE_VXWORKS - 0, /* db_global_init */ - NULL, /* db_global_lock */ -#endif - /* XA environment queue */ - {NULL, &__db_global_values.db_envq.tqh_first} -}; -#else -extern DB_GLOBALS __db_global_values; -#endif -#define DB_GLOBAL(v) __db_global_values.v - -/* Forward structure declarations. */ -struct __db_reginfo_t; typedef struct __db_reginfo_t REGINFO; -struct __mutex_t; typedef struct __mutex_t MUTEX; -struct __vrfy_childinfo; typedef struct __vrfy_childinfo VRFY_CHILDINFO; -struct __vrfy_dbinfo; typedef struct __vrfy_dbinfo VRFY_DBINFO; -struct __vrfy_pageinfo; typedef struct __vrfy_pageinfo VRFY_PAGEINFO; -struct __db_txnlist; typedef struct __db_txnlist DB_TXNLIST; -struct __db_txnhead; typedef struct __db_txnhead DB_TXNHEAD; -typedef enum { - TXNLIST_DELETE, - TXNLIST_LSN, - TXNLIST_TXNID, - TXNLIST_PGNO -} db_txnlist_type; - -/* - * Currently, region offsets are limited to 32-bits. I expect that's going - * to have to be fixed in the not-too-distant future, since we won't want to - * split 100Gb memory pools into that many different regions. It's typedef'd - * so it won't be too painful to upgrade. - */ -typedef u_int32_t roff_t; - -#if defined(__cplusplus) -} -#endif - -/******************************************************* - * More general includes. - *******************************************************/ -#include "debug.h" -#include "mutex.h" -#include "region.h" -#include "mutex_ext.h" -#include "env_ext.h" -#include "os.h" -#include "os_ext.h" -#include "common_ext.h" - -#endif /* !_DB_INTERNAL_H_ */ |