1.1 --- a/extensions/sqlite/sqlite-source/pager.h	Fri Mar 28 06:21:34 2008 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,125 +0,0 @@
     1.4 -/*
     1.5 -** 2001 September 15
     1.6 -**
     1.7 -** The author disclaims copyright to this source code.  In place of
     1.8 -** a legal notice, here is a blessing:
     1.9 -**
    1.10 -**    May you do good and not evil.
    1.11 -**    May you find forgiveness for yourself and forgive others.
    1.12 -**    May you share freely, never taking more than you give.
    1.13 -**
    1.14 -*************************************************************************
    1.15 -** This header file defines the interface that the sqlite page cache
    1.16 -** subsystem.  The page cache subsystem reads and writes a file a page
    1.17 -** at a time and provides a journal for rollback.
    1.18 -**
    1.19 -** @(#) $Id$
    1.20 -*/
    1.21 -
    1.22 -#ifndef _PAGER_H_
    1.23 -#define _PAGER_H_
    1.24 -
    1.25 -/*
    1.26 -** The type used to represent a page number.  The first page in a file
    1.27 -** is called page 1.  0 is used to represent "not a page".
    1.28 -*/
    1.29 -typedef unsigned int Pgno;
    1.30 -
    1.31 -/*
    1.32 -** Each open file is managed by a separate instance of the "Pager" structure.
    1.33 -*/
    1.34 -typedef struct Pager Pager;
    1.35 -
    1.36 -/*
    1.37 -** Handle type for pages.
    1.38 -*/
    1.39 -typedef struct PgHdr DbPage;
    1.40 -
    1.41 -/*
    1.42 -** Allowed values for the flags parameter to sqlite3PagerOpen().
    1.43 -**
    1.44 -** NOTE: This values must match the corresponding BTREE_ values in btree.h.
    1.45 -*/
    1.46 -#define PAGER_OMIT_JOURNAL  0x0001    /* Do not use a rollback journal */
    1.47 -#define PAGER_NO_READLOCK   0x0002    /* Omit readlocks on readonly files */
    1.48 -
    1.49 -/*
    1.50 -** Valid values for the second argument to sqlite3PagerLockingMode().
    1.51 -*/
    1.52 -#define PAGER_LOCKINGMODE_QUERY      -1
    1.53 -#define PAGER_LOCKINGMODE_NORMAL      0
    1.54 -#define PAGER_LOCKINGMODE_EXCLUSIVE   1
    1.55 -
    1.56 -/*
    1.57 -** See source code comments for a detailed description of the following
    1.58 -** routines:
    1.59 -*/
    1.60 -int sqlite3PagerOpen(sqlite3_vfs *, Pager **ppPager, const char*, int,int,int);
    1.61 -void sqlite3PagerSetBusyhandler(Pager*, BusyHandler *pBusyHandler);
    1.62 -void sqlite3PagerSetDestructor(Pager*, void(*)(DbPage*,int));
    1.63 -void sqlite3PagerSetReiniter(Pager*, void(*)(DbPage*,int));
    1.64 -int sqlite3PagerSetPagesize(Pager*, u16*);
    1.65 -int sqlite3PagerMaxPageCount(Pager*, int);
    1.66 -int sqlite3PagerReadFileheader(Pager*, int, unsigned char*);
    1.67 -void sqlite3PagerSetCachesize(Pager*, int);
    1.68 -int sqlite3PagerClose(Pager *pPager);
    1.69 -int sqlite3PagerAcquire(Pager *pPager, Pgno pgno, DbPage **ppPage, int clrFlag);
    1.70 -#define sqlite3PagerGet(A,B,C) sqlite3PagerAcquire(A,B,C,0)
    1.71 -DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno);
    1.72 -int sqlite3PagerRef(DbPage*);
    1.73 -int sqlite3PagerUnref(DbPage*);
    1.74 -int sqlite3PagerWrite(DbPage*);
    1.75 -int sqlite3PagerOverwrite(Pager *pPager, Pgno pgno, void*);
    1.76 -int sqlite3PagerPagecount(Pager*);
    1.77 -int sqlite3PagerTruncate(Pager*,Pgno);
    1.78 -int sqlite3PagerBegin(DbPage*, int exFlag);
    1.79 -int sqlite3PagerCommitPhaseOne(Pager*,const char *zMaster, Pgno);
    1.80 -int sqlite3PagerCommitPhaseTwo(Pager*);
    1.81 -int sqlite3PagerRollback(Pager*);
    1.82 -int sqlite3PagerIsreadonly(Pager*);
    1.83 -int sqlite3PagerStmtBegin(Pager*);
    1.84 -int sqlite3PagerStmtCommit(Pager*);
    1.85 -int sqlite3PagerStmtRollback(Pager*);
    1.86 -void sqlite3PagerDontRollback(DbPage*);
    1.87 -void sqlite3PagerDontWrite(DbPage*);
    1.88 -int sqlite3PagerRefcount(Pager*);
    1.89 -void sqlite3PagerSetSafetyLevel(Pager*,int,int);
    1.90 -const char *sqlite3PagerFilename(Pager*);
    1.91 -const sqlite3_vfs *sqlite3PagerVfs(Pager*);
    1.92 -sqlite3_file *sqlite3PagerFile(Pager*);
    1.93 -const char *sqlite3PagerDirname(Pager*);
    1.94 -const char *sqlite3PagerJournalname(Pager*);
    1.95 -int sqlite3PagerNosync(Pager*);
    1.96 -int sqlite3PagerMovepage(Pager*,DbPage*,Pgno);
    1.97 -void *sqlite3PagerGetData(DbPage *); 
    1.98 -void *sqlite3PagerGetExtra(DbPage *); 
    1.99 -int sqlite3PagerLockingMode(Pager *, int);
   1.100 -
   1.101 -#if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
   1.102 -  int sqlite3PagerReleaseMemory(int);
   1.103 -#endif
   1.104 -
   1.105 -#ifdef SQLITE_HAS_CODEC
   1.106 -  void sqlite3PagerSetCodec(Pager*,void*(*)(void*,void*,Pgno,int),void*);
   1.107 -#endif
   1.108 -
   1.109 -#if !defined(NDEBUG) || defined(SQLITE_TEST)
   1.110 -  Pgno sqlite3PagerPagenumber(DbPage*);
   1.111 -  int sqlite3PagerIswriteable(DbPage*);
   1.112 -#endif
   1.113 -
   1.114 -#ifdef SQLITE_TEST
   1.115 -  int *sqlite3PagerStats(Pager*);
   1.116 -  void sqlite3PagerRefdump(Pager*);
   1.117 -  int pager3_refinfo_enable;
   1.118 -#endif
   1.119 -
   1.120 -#ifdef SQLITE_TEST
   1.121 -void disable_simulated_io_errors(void);
   1.122 -void enable_simulated_io_errors(void);
   1.123 -#else
   1.124 -# define disable_simulated_io_errors()
   1.125 -# define enable_simulated_io_errors()
   1.126 -#endif
   1.127 -
   1.128 -#endif /* _PAGER_H_ */