blob: b0504a8f93e9eea12180e028f4a81030e1f39d8f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2010, 2015 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 */
/*
** Flags that make up the mask passed to sqlite3PagerAcquire().
*/
#define PAGER_GET_NOCONTENT 0x01 /* Do not load data from disk */
#define PAGER_GET_READONLY 0x02 /* Read-only page is acceptable */
/*
** Flags for sqlite3PagerSetFlags()
*/
#define PAGER_SYNCHRONOUS_OFF 0x01 /* PRAGMA synchronous=OFF */
#define PAGER_SYNCHRONOUS_NORMAL 0x02 /* PRAGMA synchronous=NORMAL */
#define PAGER_SYNCHRONOUS_FULL 0x03 /* PRAGMA synchronous=FULL */
#define PAGER_SYNCHRONOUS_MASK 0x03 /* Mask for three values above */
#define PAGER_FULLFSYNC 0x04 /* PRAGMA fullfsync=ON */
#define PAGER_CKPT_FULLFSYNC 0x08 /* PRAGMA checkpoint_fullfsync=ON */
#define PAGER_CACHESPILL 0x10 /* PRAGMA cache_spill=ON */
#define PAGER_FLAGS_MASK 0x1c /* All above except SYNCHRONOUS */
/*
** 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
const char *sqlite3PagerFilename(Pager *pPager, int);
void sqlite3PagerCacheStat(Pager *, int, int, int *);
int sqlite3PagerExclusiveLock(Pager *pPager);
sqlite3_file *sqlite3PagerFile(Pager*);
int sqlite3PagerGetJournalMode(Pager *pPager);
int sqlite3PagerIsMemdb(Pager*);
u8 sqlite3PagerIsreadonly(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*);
void sqlite3PagerSetFlags(Pager*,unsigned);
int sqlite3PagerSetJournalMode(Pager *pPager, int eMode);
void sqlite3PagerShrink(Pager*);
#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
|
