engine/sqlite/src/pager.h
changeset 97 3903521a36da
parent 96 87e863f6f840
child 98 5f9e7e14eb11
--- a/engine/sqlite/src/pager.h	Wed May 26 10:44:32 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,126 +0,0 @@
-/*
-** 2001 September 15
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-** This header file defines the interface that the sqlite page cache
-** subsystem.  The page cache subsystem reads and writes a file a page
-** at a time and provides a journal for rollback.
-**
-** @(#) $Id: pager.h 1282 2008-11-13 09:31:33Z LarsPson $
-*/
-
-#ifndef _PAGER_H_
-#define _PAGER_H_
-
-/*
-** The type used to represent a page number.  The first page in a file
-** is called page 1.  0 is used to represent "not a page".
-*/
-typedef unsigned int Pgno;
-
-/*
-** Each open file is managed by a separate instance of the "Pager" structure.
-*/
-typedef struct Pager Pager;
-
-/*
-** Handle type for pages.
-*/
-typedef struct PgHdr DbPage;
-
-/*
-** Allowed values for the flags parameter to sqlite3PagerOpen().
-**
-** NOTE: This values must match the corresponding BTREE_ values in btree.h.
-*/
-#define PAGER_OMIT_JOURNAL  0x0001    /* Do not use a rollback journal */
-#define PAGER_NO_READLOCK   0x0002    /* Omit readlocks on readonly files */
-
-/*
-** Valid values for the second argument to sqlite3PagerLockingMode().
-*/
-#define PAGER_LOCKINGMODE_QUERY      -1
-#define PAGER_LOCKINGMODE_NORMAL      0
-#define PAGER_LOCKINGMODE_EXCLUSIVE   1
-
-/*
-** See source code comments for a detailed description of the following
-** routines:
-*/
-int sqlite3PagerOpen(sqlite3_vfs *, Pager **ppPager, const char*, int,int,int);
-void sqlite3PagerSetBusyhandler(Pager*, BusyHandler *pBusyHandler);
-void sqlite3PagerSetDestructor(Pager*, void(*)(DbPage*,int));
-void sqlite3PagerSetReiniter(Pager*, void(*)(DbPage*,int));
-int sqlite3PagerSetPagesize(Pager*, u16*);
-int sqlite3PagerMaxPageCount(Pager*, int);
-int sqlite3PagerReadFileheader(Pager*, int, unsigned char*);
-void sqlite3PagerSetCachesize(Pager*, int);
-int sqlite3PagerClose(Pager *pPager);
-int sqlite3PagerAcquire(Pager *pPager, Pgno pgno, DbPage **ppPage, int clrFlag);
-#define sqlite3PagerGet(A,B,C) sqlite3PagerAcquire(A,B,C,0)
-DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno);
-int sqlite3PagerRef(DbPage*);
-int sqlite3PagerUnref(DbPage*);
-int sqlite3PagerWrite(DbPage*);
-int sqlite3PagerOverwrite(Pager *pPager, Pgno pgno, void*);
-int sqlite3PagerPagecount(Pager*);
-int sqlite3PagerTruncate(Pager*,Pgno);
-int sqlite3PagerBegin(DbPage*, int exFlag);
-int sqlite3PagerCommitPhaseOne(Pager*,const char *zMaster, Pgno);
-int sqlite3PagerCommitPhaseTwo(Pager*);
-int sqlite3PagerRollback(Pager*);
-int sqlite3PagerIsreadonly(Pager*);
-int sqlite3PagerStmtBegin(Pager*);
-int sqlite3PagerStmtCommit(Pager*);
-int sqlite3PagerStmtRollback(Pager*);
-void sqlite3PagerDontRollback(DbPage*);
-void sqlite3PagerDontWrite(DbPage*);
-int sqlite3PagerRefcount(Pager*);
-void sqlite3PagerSetSafetyLevel(Pager*,int,int);
-const char *sqlite3PagerFilename(Pager*);
-const sqlite3_vfs *sqlite3PagerVfs(Pager*);
-sqlite3_file *sqlite3PagerFile(Pager*);
-const char *sqlite3PagerDirname(Pager*);
-const char *sqlite3PagerJournalname(Pager*);
-int sqlite3PagerNosync(Pager*);
-int sqlite3PagerMovepage(Pager*,DbPage*,Pgno);
-void *sqlite3PagerGetData(DbPage *); 
-void *sqlite3PagerGetExtra(DbPage *); 
-int sqlite3PagerLockingMode(Pager *, int);
-void *sqlite3PagerTempSpace(Pager*);
-
-#if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
-  int sqlite3PagerReleaseMemory(int);
-#endif
-
-#ifdef SQLITE_HAS_CODEC
-  void sqlite3PagerSetCodec(Pager*,void*(*)(void*,void*,Pgno,int),void*);
-#endif
-
-#if !defined(NDEBUG) || defined(SQLITE_TEST)
-  Pgno sqlite3PagerPagenumber(DbPage*);
-  int sqlite3PagerIswriteable(DbPage*);
-#endif
-
-#ifdef SQLITE_TEST
-  int *sqlite3PagerStats(Pager*);
-  void sqlite3PagerRefdump(Pager*);
-  int pager3_refinfo_enable;
-#endif
-
-#ifdef SQLITE_TEST
-void disable_simulated_io_errors(void);
-void enable_simulated_io_errors(void);
-#else
-# define disable_simulated_io_errors()
-# define enable_simulated_io_errors()
-#endif
-
-#endif /* _PAGER_H_ */