compiled Community.CsharpSqlite.dll for target AnyCPU, added source code
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using System;
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using System.Diagnostics;
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using System.IO;
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using i16 = System.Int16;
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using u32 = System.UInt32;
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using Pgno = System.UInt32;
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namespace Community.CsharpSqlite
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{
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public partial class Sqlite3
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{
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/*
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** 2008 August 05
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** This header file defines the interface that the sqlite page cache
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** subsystem.
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*************************************************************************
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** Included in SQLite3 port to C#-SQLite; 2008 Noah B Hart
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** C#-SQLite is an independent reimplementation of the SQLite software library
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**
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** SQLITE_SOURCE_ID: 2010-08-23 18:52:01 42537b60566f288167f1b5864a5435986838e3a3
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**
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*************************************************************************
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*/
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#if !_PCACHE_H_
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//typedef struct PgHdr PgHdr;
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//typedef struct PCache PCache;
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/*
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** Every page in the cache is controlled by an instance of the following
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** structure.
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*/
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public class PgHdr
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{
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public byte[] pData; /* Content of this page */
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public MemPage pExtra; /* Extra content */
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public PgHdr pDirty; /* Transient list of dirty pages */
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public Pgno pgno; /* The page number for this page */
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public Pager pPager; /* The pager to which this page belongs */
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#if SQLITE_CHECK_PAGES || (SQLITE_DEBUG)
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public int pageHash; /* Hash of page content */
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#endif
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public int flags; /* PGHDR flags defined below */
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/**********************************************************************
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** Elements above are public. All that follows is private to pcache.c
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** and should not be accessed by other modules.
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*/
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public int nRef; /* Number of users of this page */
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public PCache pCache; /* Cache that owns this page */
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public bool CacheAllocated; /* True, if allocated from cache */
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public PgHdr pDirtyNext; /* Next element in list of dirty pages */
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public PgHdr pDirtyPrev; /* Previous element in list of dirty pages */
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public PgHdr1 pPgHdr1; /* Cache page header this this page */
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public static implicit operator bool( PgHdr b )
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{
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return ( b != null );
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}
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public void Clear()
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{
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sqlite3_free( ref this.pData );
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this.pData = null;
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this.pExtra = null;
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this.pDirty = null;
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this.pgno = 0;
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this.pPager = null;
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#if SQLITE_CHECK_PAGES
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this.pageHash=0;
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#endif
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this.flags = 0;
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this.nRef = 0;
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this.CacheAllocated = false;
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this.pCache = null;
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this.pDirtyNext = null;
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this.pDirtyPrev = null;
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this.pPgHdr1 = null;
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}
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};
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/* Bit values for PgHdr.flags */
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//#define PGHDR_DIRTY 0x002 /* Page has changed */
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//#define PGHDR_NEED_SYNC 0x004 /* Fsync the rollback journal before
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// ** writing this page to the database */
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//#define PGHDR_NEED_READ 0x008 /* Content is unread */
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//#define PGHDR_REUSE_UNLIKELY 0x010 /* A hint that reuse is unlikely */
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//#define PGHDR_DONT_WRITE 0x020 /* Do not write content to disk */
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const int PGHDR_DIRTY = 0x002; /* Page has changed */
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const int PGHDR_NEED_SYNC = 0x004;/* Fsync the rollback journal before
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** writing this page to the database */
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const int PGHDR_NEED_READ = 0x008;/* Content is unread */
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const int PGHDR_REUSE_UNLIKELY = 0x010;/* A hint that reuse is unlikely */
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const int PGHDR_DONT_WRITE = 0x020;/* Do not write content to disk */
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/* Initialize and shutdown the page cache subsystem */
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//int sqlite3PcacheInitialize(void);
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//void sqlite3PcacheShutdown(void);
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/* Page cache buffer management:
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** These routines implement SQLITE_CONFIG_PAGECACHE.
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*/
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//void sqlite3PCacheBufferSetup(void *, int sz, int n);
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/* Create a new pager cache.
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** Under memory stress, invoke xStress to try to make pages clean.
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** Only clean and unpinned pages can be reclaimed.
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*/
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//void sqlite3PcacheOpen(
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// int szPage, /* Size of every page */
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// int szExtra, /* Extra space associated with each page */
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// int bPurgeable, /* True if pages are on backing store */
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// int (*xStress)(void*, PgHdr*), /* Call to try to make pages clean */
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// void pStress, /* Argument to xStress */
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// PCache pToInit /* Preallocated space for the PCache */
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//);
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/* Modify the page-size after the cache has been created. */
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//void sqlite3PcacheSetPageSize(PCache *, int);
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/* Return the size in bytes of a PCache object. Used to preallocate
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** storage space.
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*/
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//int sqlite3PcacheSize(void);
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/* One release per successful fetch. Page is pinned until released.
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** Reference counted.
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*/
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//int sqlite3PcacheFetch(PCache*, Pgno, int createFlag, PgHdr**);
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//void sqlite3PcacheRelease(PgHdr*);
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//void sqlite3PcacheDrop(PgHdr*); /* Remove page from cache */
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//void sqlite3PcacheMakeDirty(PgHdr*); /* Make sure page is marked dirty */
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//void sqlite3PcacheMakeClean(PgHdr*); /* Mark a single page as clean */
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//void sqlite3PcacheCleanAll(PCache*); /* Mark all dirty list pages as clean */
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/* Change a page number. Used by incr-vacuum. */
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//void sqlite3PcacheMove(PgHdr*, Pgno);
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/* Remove all pages with pgno>x. Reset the cache if x==0 */
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//void sqlite3PcacheTruncate(PCache*, Pgno x);
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/* Get a list of all dirty pages in the cache, sorted by page number */
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//PgHdr *sqlite3PcacheDirtyList(PCache*);
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/* Reset and close the cache object */
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//void sqlite3PcacheClose(PCache*);
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/* Clear flags from pages of the page cache */
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//void sqlite3PcacheClearSyncFlags(PCache *);
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/* Discard the contents of the cache */
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//void sqlite3PcacheClear(PCache*);
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/* Return the total number of outstanding page references */
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//int sqlite3PcacheRefCount(PCache*);
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/* Increment the reference count of an existing page */
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//void sqlite3PcacheRef(PgHdr*);
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//int sqlite3PcachePageRefcount(PgHdr*);
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/* Return the total number of pages stored in the cache */
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//int sqlite3PcachePagecount(PCache*);
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#if SQLITE_CHECK_PAGES
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/* Iterate through all dirty pages currently stored in the cache. This
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** interface is only available if SQLITE_CHECK_PAGES is defined when the
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** library is built.
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*/
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//void sqlite3PcacheIterateDirty(PCache pCache, void (*xIter)(PgHdr *));
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#endif
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/* Set and get the suggested cache-size for the specified pager-cache.
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**
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** If no global maximum is configured, then the system attempts to limit
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** the total number of pages cached by purgeable pager-caches to the sum
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** of the suggested cache-sizes.
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*/
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//void sqlite3PcacheSetCachesize(PCache *, int);
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#if SQLITE_TEST
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//int sqlite3PcacheGetCachesize(PCache *);
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#endif
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#if SQLITE_ENABLE_MEMORY_MANAGEMENT
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/* Try to return memory used by the pcache module to the main memory heap */
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//int sqlite3PcacheReleaseMemory(int);
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#endif
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#if SQLITE_TEST
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//void sqlite3PcacheStats(int*,int*,int*,int*);
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#endif
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//void sqlite3PCacheSetDefault(void);
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#endif //* _PCACHE_H_ */
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}
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}
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