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Update.
* db2/Makefile (distribute): Remove files which do not exist anymore.
This commit is contained in:
Ulrich Drepper
141
db2/db_int.h
141
db2/db_int.h
@ -4,14 +4,15 @@
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* Copyright (c) 1996, 1997, 1998
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* Sleepycat Software. All rights reserved.
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*
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* @(#)db_int.h.src 10.62 (Sleepycat) 5/23/98
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* @(#)db_int.h 10.77 (Sleepycat) 1/3/99
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*/
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#ifndef _DB_INTERNAL_H_
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#define _DB_INTERNAL_H_
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#include <db.h> /* Standard DB include file. */
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#include "db.h" /* Standard DB include file. */
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#include "queue.h"
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#include "shqueue.h"
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/*******************************************************
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* General purpose constants and macros.
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@ -75,27 +76,7 @@
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#define R_ADDR(base, offset) ((void *)((u_int8_t *)((base)->addr) + offset))
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#define R_OFFSET(base, p) ((u_int8_t *)(p) - (u_int8_t *)(base)->addr)
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/* Free and free-string macros that overwrite memory. */
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#ifdef DIAGNOSTIC
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#undef FREE
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#define FREE(p, len) { \
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memset(p, 0xff, len); \
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__db_free(p); \
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}
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#undef FREES
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#define FREES(p) { \
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FREE(p, strlen(p)); \
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}
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#else
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#undef FREE
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#define FREE(p, len) { \
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__db_free(p); \
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}
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#undef FREES
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#define FREES(p) { \
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__db_free(p); \
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}
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#endif
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#define DB_DEFAULT 0x000000 /* No flag was specified. */
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/* Structure used to print flag values. */
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typedef struct __fn {
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@ -111,24 +92,28 @@ typedef struct __fn {
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#define LF_CLR(f) (flags &= ~(f))
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#define LF_ISSET(f) (flags & (f))
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/*
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* Panic check:
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* All interfaces check the panic flag, if it's set, the tree is dead.
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*/
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#define DB_PANIC_CHECK(dbp) { \
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if ((dbp)->dbenv != NULL && (dbp)->dbenv->db_panic != 0) \
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return (DB_RUNRECOVERY); \
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}
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/* Display separator string. */
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#undef DB_LINE
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#define DB_LINE "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
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/* Global variables. */
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typedef struct __db_globals {
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int db_mutexlocks; /* DB_MUTEXLOCKS */
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int db_region_anon; /* DB_REGION_ANON, DB_REGION_NAME */
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int db_region_init; /* DB_REGION_INIT */
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int db_tsl_spins; /* DB_TSL_SPINS */
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int db_pageyield; /* DB_PAGEYIELD */
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} DB_GLOBALS;
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extern DB_GLOBALS __db_global_values;
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#define DB_GLOBAL(v) __db_global_values.v
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/* Unused, or not-used-yet variable. "Shut that bloody compiler up!" */
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#define COMPQUIET(n, v) (n) = (v)
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/*
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* Purify and similar run-time tools complain about unitialized reads/writes
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* for structure fields whose only purpose is padding.
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*/
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#define UMRW(v) (v) = 0
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/*
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* Win16 needs specific syntax on callback functions. Nobody else cares.
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*/
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@ -155,8 +140,6 @@ extern DB_GLOBALS __db_global_values;
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*******************************************************/
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typedef unsigned char tsl_t;
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/*
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* !!!
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* Various systems require different alignments for mutexes (the worst we've
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@ -204,21 +187,6 @@ typedef struct _db_mutex_t {
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if (F_ISSET(dbp, DB_AM_THREAD)) \
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(void)__db_mutex_unlock((db_mutex_t *)(dbp)->mutexp, -1);
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/* Btree/recno local statistics structure. */
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struct __db_bt_lstat; typedef struct __db_bt_lstat DB_BTREE_LSTAT;
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struct __db_bt_lstat {
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u_int32_t bt_freed; /* Pages freed for reuse. */
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u_int32_t bt_pfxsaved; /* Bytes saved by prefix compression. */
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u_int32_t bt_split; /* Total number of splits. */
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u_int32_t bt_rootsplit; /* Root page splits. */
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u_int32_t bt_fastsplit; /* Fast splits. */
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u_int32_t bt_added; /* Items added. */
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u_int32_t bt_deleted; /* Items deleted. */
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u_int32_t bt_get; /* Items retrieved. */
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u_int32_t bt_cache_hit; /* Hits in fast-insert code. */
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u_int32_t bt_cache_miss; /* Misses in fast-insert code. */
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};
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/*******************************************************
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* Environment.
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*******************************************************/
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@ -250,6 +218,7 @@ typedef struct _rlayout {
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int majver; /* Major version number. */
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int minver; /* Minor version number. */
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int patch; /* Patch version number. */
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int panic; /* Region is dead. */
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#define INVALID_SEGID -1
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int segid; /* shmget(2) ID, or Win16 segment ID. */
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@ -262,9 +231,9 @@ typedef struct _rlayout {
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* we don't make the underlying VM unhappy.
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*/
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#define DB_VMPAGESIZE (4 * 1024)
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#define DB_ROUNDOFF(i) { \
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(i) += DB_VMPAGESIZE - 1; \
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(i) -= (i) % DB_VMPAGESIZE; \
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#define DB_ROUNDOFF(n, round) { \
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(n) += (round) - 1; \
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(n) -= (n) % (round); \
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}
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/*
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@ -292,6 +261,7 @@ struct __db_reginfo {
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and mmap(2) is being used to map it
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into our address space. */
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int segid; /* shmget(2) ID, or Win16 segment ID. */
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void *wnt_handle; /* Win/NT HANDLE. */
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/* Shared flags. */
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/* 0x0001 COMMON MASK with RLAYOUT structure. */
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@ -334,8 +304,8 @@ typedef struct __dbpginfo {
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#define IS_ZERO_LSN(LSN) ((LSN).file == 0)
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/* Test if we need to log a change. */
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#define DB_LOGGING(dbp) \
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(F_ISSET(dbp, DB_AM_LOGGING) && !F_ISSET(dbp, DB_AM_RECOVER))
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#define DB_LOGGING(dbc) \
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(F_ISSET((dbc)->dbp, DB_AM_LOGGING) && !F_ISSET(dbc, DBC_RECOVER))
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#ifdef DIAGNOSTIC
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/*
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@ -350,30 +320,30 @@ typedef struct __dbpginfo {
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* A data
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* F flags
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*/
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#define LOG_OP(D, T, O, K, A, F) { \
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#define LOG_OP(C, T, O, K, A, F) { \
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DB_LSN _lsn; \
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DBT _op; \
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if (DB_LOGGING((D))) { \
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if (DB_LOGGING((C))) { \
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memset(&_op, 0, sizeof(_op)); \
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_op.data = O; \
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_op.size = strlen(O) + 1; \
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(void)__db_debug_log((D)->dbenv->lg_info, \
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T, &_lsn, 0, &_op, (D)->log_fileid, K, A, F); \
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(void)__db_debug_log((C)->dbp->dbenv->lg_info, \
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T, &_lsn, 0, &_op, (C)->dbp->log_fileid, K, A, F); \
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} \
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}
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#ifdef DEBUG_ROP
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#define DEBUG_LREAD(D, T, O, K, A, F) LOG_OP(D, T, O, K, A, F)
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#define DEBUG_LREAD(C, T, O, K, A, F) LOG_OP(C, T, O, K, A, F)
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#else
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#define DEBUG_LREAD(D, T, O, K, A, F)
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#define DEBUG_LREAD(C, T, O, K, A, F)
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#endif
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#ifdef DEBUG_WOP
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#define DEBUG_LWRITE(D, T, O, K, A, F) LOG_OP(D, T, O, K, A, F)
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#define DEBUG_LWRITE(C, T, O, K, A, F) LOG_OP(C, T, O, K, A, F)
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#else
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#define DEBUG_LWRITE(D, T, O, K, A, F)
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#define DEBUG_LWRITE(C, T, O, K, A, F)
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#endif
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#else
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#define DEBUG_LREAD(D, T, O, K, A, F)
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#define DEBUG_LWRITE(D, T, O, K, A, F)
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#define DEBUG_LREAD(C, T, O, K, A, F)
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#define DEBUG_LWRITE(C, T, O, K, A, F)
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#endif /* DIAGNOSTIC */
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/*******************************************************
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@ -393,10 +363,45 @@ struct __db_txn {
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DB_LSN last_lsn; /* Lsn of last log write. */
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u_int32_t txnid; /* Unique transaction id. */
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size_t off; /* Detail structure within region. */
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TAILQ_ENTRY(__db_txn) links;
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TAILQ_ENTRY(__db_txn) links; /* Links transactions off manager. */
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TAILQ_HEAD(__kids, __db_txn) kids; /* Child transactions. */
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TAILQ_ENTRY(__db_txn) klinks; /* Links child transactions. */
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#define TXN_MALLOC 0x01 /* Structure allocated by TXN system. */
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u_int32_t flags;
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};
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#include "os_func.h"
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/*******************************************************
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* Global variables.
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*******************************************************/
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/*
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* !!!
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* Initialized in os/os_config.c, don't change this unless you change it
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* as well.
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*/
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struct __rmname {
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char *dbhome;
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int rmid;
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TAILQ_ENTRY(__rmname) links;
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};
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typedef struct __db_globals {
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int db_mutexlocks; /* DB_MUTEXLOCKS */
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int db_pageyield; /* DB_PAGEYIELD */
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int db_region_anon; /* DB_REGION_ANON, DB_REGION_NAME */
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int db_region_init; /* DB_REGION_INIT */
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int db_tsl_spins; /* DB_TSL_SPINS */
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/* XA: list of opened environments. */
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TAILQ_HEAD(__db_envq, __db_env) db_envq;
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/* XA: list of id to dbhome mappings. */
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TAILQ_HEAD(__db_nameq, __rmname) db_nameq;
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} DB_GLOBALS;
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extern DB_GLOBALS __db_global_values;
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#define DB_GLOBAL(v) __db_global_values.v
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#include "os.h"
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#include "os_ext.h"
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#endif /* !_DB_INTERNAL_H_ */
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