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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2012, 2012 Oracle and/or its affiliates. All rights reserved.
*/
#include <db.h>
/* Avoid a name clash */
#undef DB_TIMEOUT
typedef struct Pager Pager;
typedef struct PgHdr DbPage;
typedef db_pgno_t Pgno;
/*
** Allowed values for the flags parameter to sqlite3PagerOpen().
**
** NOTE: These 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
/*
** Valid values for the second argument to sqlite3PagerJournalMode().
*/
#define PAGER_JOURNALMODE_QUERY -1
#define PAGER_JOURNALMODE_DELETE 0 /* Commit by deleting journal file */
#define PAGER_JOURNALMODE_PERSIST 1 /* Commit by zeroing journal header */
#define PAGER_JOURNALMODE_OFF 2 /* Journal omitted. */
#define PAGER_JOURNALMODE_TRUNCATE 3 /* Commit by truncating journal */
#define PAGER_JOURNALMODE_MEMORY 4 /* In-memory journal file */
#define PAGER_JOURNALMODE_WAL 5 /* Use write-ahead logging */
/*
** Default maximum size for log files. This value may be overridden using the
** sqlite3PagerJournalSizeLimit() API. See also "PRAGMA journal_size_limit".
*/
#ifndef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT
#define SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT 2 * 1024 * 1024
#endif
int sqlite3PagerExclusiveLock(Pager *pPager);
sqlite3_file *sqlite3PagerFile(Pager*);
const char *sqlite3PagerFilename(Pager *pPager);
int sqlite3PagerGetJournalMode(Pager *pPager);
int sqlite3PagerIsMemdb(Pager*);
int sqlite3PagerJournalMode(Pager *, int);
i64 sqlite3PagerJournalSizeLimit(Pager *, i64);
int sqlite3PagerLockingMode(Pager *, int);
int sqlite3PagerMemUsed(Pager *pPager);
int sqlite3PagerOkToChangeJournalMode(Pager *pPager);
int sqlite3PagerPagecount(Pager*, int*);
int sqlite3PagerSetJournalMode(Pager *pPager, int eMode);
#ifndef SQLITE_OMIT_WAL
int sqlite3PagerWalCallback(Pager *pPager);
int sqlite3PagerCheckpoint(Pager *pPager);
int sqlite3PagerCloseWal(Pager *pPager);
int sqlite3PagerWalSupported(Pager *pPager);
#endif
#define disable_simulated_io_errors()
#define enable_simulated_io_errors()
#ifdef SQLITE_TEST
int *sqlite3PagerStats(Pager*);
#endif
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