os.c File Reference

Go to the source code of this file.

Defines
#define	_SQLITE_OS_C_   1
#define	DO_OS_MALLOC_TEST
#define	vfsList   GLOBAL(sqlite3_vfs *, vfsList)
Functions
int	sqlite3OsClose (sqlite3_file *pId)
int	sqlite3OsRead (sqlite3_file *id, void *pBuf, int amt, i64 offset)
int	sqlite3OsWrite (sqlite3_file *id, const void *pBuf, int amt, i64 offset)
int	sqlite3OsTruncate (sqlite3_file *id, i64 size)
int	sqlite3OsSync (sqlite3_file *id, int flags)
int	sqlite3OsFileSize (sqlite3_file *id, i64 *pSize)
int	sqlite3OsLock (sqlite3_file *id, int lockType)
int	sqlite3OsUnlock (sqlite3_file *id, int lockType)
int	sqlite3OsCheckReservedLock (sqlite3_file *id, int *pResOut)
int	sqlite3OsFileControl (sqlite3_file *id, int op, void *pArg)
int	sqlite3OsSectorSize (sqlite3_file *id)
int	sqlite3OsDeviceCharacteristics (sqlite3_file *id)
int	sqlite3OsOpen (sqlite3_vfs *pVfs, const char *zPath, sqlite3_file *pFile, int flags, int *pFlagsOut)
int	sqlite3OsDelete (sqlite3_vfs *pVfs, const char *zPath, int dirSync)
int	sqlite3OsAccess (sqlite3_vfs *pVfs, const char *zPath, int flags, int *pResOut)
int	sqlite3OsFullPathname (sqlite3_vfs *pVfs, const char *zPath, int nPathOut, char *zPathOut)
void *	sqlite3OsDlOpen (sqlite3_vfs *pVfs, const char *zPath)
void	sqlite3OsDlError (sqlite3_vfs *pVfs, int nByte, char *zBufOut)
void *	sqlite3OsDlSym (sqlite3_vfs *pVfs, void *pHandle, const char *zSymbol)
void	sqlite3OsDlClose (sqlite3_vfs *pVfs, void *pHandle)
int	sqlite3OsRandomness (sqlite3_vfs *pVfs, int nByte, char *zBufOut)
int	sqlite3OsSleep (sqlite3_vfs *pVfs, int nMicro)
int	sqlite3OsCurrentTime (sqlite3_vfs *pVfs, double *pTimeOut)
int	sqlite3OsOpenMalloc (sqlite3_vfs *pVfs, const char *zFile, sqlite3_file **ppFile, int flags, int *pOutFlags)
int	sqlite3OsCloseFree (sqlite3_file *pFile)
sqlite3_vfs *	sqlite3_vfs_find (const char *zVfs)
static void	vfsUnlink (sqlite3_vfs *pVfs)
int	sqlite3_vfs_register (sqlite3_vfs *pVfs, int makeDflt)
int	sqlite3_vfs_unregister (sqlite3_vfs *pVfs)
Variables
static sqlite3_vfs *SQLITE_WSD	vfsList = 0

---

Define Documentation

#define _SQLITE_OS_C_   1

Definition at line 18 of file os.c.

#define DO_OS_MALLOC_TEST

Definition at line 46 of file os.c.

Referenced by sqlite3OsAccess(), sqlite3OsCheckReservedLock(), sqlite3OsFileSize(), sqlite3OsLock(), sqlite3OsOpen(), sqlite3OsRead(), sqlite3OsSync(), and sqlite3OsWrite().

#define vfsList   GLOBAL(sqlite3_vfs *, vfsList)

Definition at line 194 of file os.c.

Referenced by sqlite3_vfs_find(), sqlite3_vfs_register(), and vfsUnlink().

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Function Documentation

sqlite3_vfs* sqlite3_vfs_find

(

const char *

zVfs

)

Definition at line 200 of file os.c.

References sqlite3_vfs::pNext, sqlite3_initialize(), sqlite3_mutex_enter, sqlite3_mutex_leave, sqlite3MutexAlloc, SQLITE_MUTEX_STATIC_MASTER, vfsList, and sqlite3_vfs::zName.

Referenced by openDatabase(), randomByte(), and sqlite3_sleep().

int sqlite3_vfs_register	(	sqlite3_vfs *	pVfs,
		int	makeDflt
	)

Definition at line 246 of file os.c.

References sqlite3_vfs::pNext, sqlite3_initialize(), sqlite3_mutex_enter, sqlite3_mutex_leave, sqlite3MutexAlloc, SQLITE_MUTEX_STATIC_MASTER, SQLITE_OK, vfsList, and vfsUnlink().

Referenced by sqlite3_os_init().

int sqlite3_vfs_unregister

(

sqlite3_vfs *

pVfs

)

Definition at line 270 of file os.c.

References sqlite3_mutex_enter, sqlite3_mutex_leave, sqlite3MutexAlloc, SQLITE_MUTEX_STATIC_MASTER, SQLITE_OK, and vfsUnlink().

int sqlite3OsAccess	(	sqlite3_vfs *	pVfs,
		const char *	zPath,
		int	flags,
		int *	pResOut
	)

Definition at line 121 of file os.c.

References DO_OS_MALLOC_TEST, and sqlite3_vfs::xAccess.

Referenced by hasHotJournal(), pager_delmaster(), pager_playback(), pagerSharedLock(), sqlite3Pragma(), and vdbeCommit().

int sqlite3OsCheckReservedLock	(	sqlite3_file *	id,
		int *	pResOut
	)

Definition at line 89 of file os.c.

References DO_OS_MALLOC_TEST.

Referenced by hasHotJournal().

int sqlite3OsClose

(

sqlite3_file *

pId

)

Definition at line 55 of file os.c.

References sqlite3_file::pMethods, SQLITE_OK, and sqlite3_io_methods::xClose.

Referenced by pager_delmaster(), pager_end_transaction(), pager_unlock(), pagerSharedLock(), sqlite3OsCloseFree(), sqlite3PagerClose(), and sqlite3PagerOpen().

int sqlite3OsCloseFree

(

sqlite3_file *

pFile

)

Definition at line 182 of file os.c.

References sqlite3_free(), sqlite3OsClose(), and SQLITE_OK.

Referenced by vdbeCommit().

int sqlite3OsCurrentTime	(	sqlite3_vfs *	pVfs,
		double *	pTimeOut
	)

Definition at line 158 of file os.c.

References sqlite3_vfs::xCurrentTime.

Referenced by setDateTimeToCurrent(), and sqlite3Step().

int sqlite3OsDelete	(	sqlite3_vfs *	pVfs,
		const char *	zPath,
		int	dirSync
	)

Definition at line 118 of file os.c.

References sqlite3_vfs::xDelete.

Referenced by hasHotJournal(), pager_delmaster(), pager_end_transaction(), pager_open_journal(), and vdbeCommit().

int sqlite3OsDeviceCharacteristics

(

sqlite3_file *

id

)

Definition at line 100 of file os.c.

Referenced by pagerStress(), sqlite3PagerOpen(), syncJournal(), vdbeCommit(), and writeJournalHdr().

void sqlite3OsDlClose	(	sqlite3_vfs *	pVfs,
		void *	pHandle
	)

Definition at line 148 of file os.c.

References sqlite3_vfs::xDlClose.

Referenced by sqlite3CloseExtensions(), and sqlite3LoadExtension().

void sqlite3OsDlError	(	sqlite3_vfs *	pVfs,
		int	nByte,
		char *	zBufOut
	)

Definition at line 142 of file os.c.

References sqlite3_vfs::xDlError.

Referenced by sqlite3LoadExtension().

void* sqlite3OsDlOpen	(	sqlite3_vfs *	pVfs,
		const char *	zPath
	)

Definition at line 139 of file os.c.

References sqlite3_vfs::xDlOpen.

Referenced by sqlite3LoadExtension().

void* sqlite3OsDlSym	(	sqlite3_vfs *	pVfs,
		void *	pHandle,
		const char *	zSymbol
	)

Definition at line 145 of file os.c.

References sqlite3_vfs::xDlSym.

Referenced by sqlite3LoadExtension().

int sqlite3OsFileControl	(	sqlite3_file *	id,
		int	op,
		void *	pArg
	)

Definition at line 93 of file os.c.

Referenced by sqlite3_file_control().

int sqlite3OsFileSize	(	sqlite3_file *	id,
		i64 *	pSize
	)

Definition at line 78 of file os.c.

References DO_OS_MALLOC_TEST.

Referenced by pager_delmaster(), pager_playback(), pager_truncate(), readMasterJournal(), sqlite3PagerPagecount(), writeMasterJournal(), and zeroJournalHdr().

int sqlite3OsFullPathname	(	sqlite3_vfs *	pVfs,
		const char *	zPath,
		int	nPathOut,
		char *	zPathOut
	)

Definition at line 130 of file os.c.

References sqlite3_vfs::xFullPathname.

Referenced by sqlite3BtreeOpen(), and sqlite3PagerOpen().

int sqlite3OsLock	(	sqlite3_file *	id,
		int	lockType
	)

Definition at line 82 of file os.c.

References DO_OS_MALLOC_TEST.

Referenced by pager_wait_on_lock(), pagerSharedLock(), and sqlite3PagerBegin().

int sqlite3OsOpen	(	sqlite3_vfs *	pVfs,
		const char *	zPath,
		sqlite3_file *	pFile,
		int	flags,
		int *	pFlagsOut
	)

Definition at line 108 of file os.c.

References DO_OS_MALLOC_TEST, and sqlite3_vfs::xOpen.

Referenced by pager_delmaster(), pager_open_journal(), pagerSharedLock(), sqlite3OsOpenMalloc(), sqlite3PagerOpen(), and sqlite3PagerOpentemp().

int sqlite3OsOpenMalloc	(	sqlite3_vfs *	pVfs,
		const char *	zFile,
		sqlite3_file **	ppFile,
		int	flags,
		int *	pOutFlags
	)

Definition at line 162 of file os.c.

References sqlite3_free(), sqlite3Malloc(), sqlite3OsOpen(), SQLITE_NOMEM, SQLITE_OK, and sqlite3_vfs::szOsFile.

Referenced by vdbeCommit().

int sqlite3OsRandomness	(	sqlite3_vfs *	pVfs,
		int	nByte,
		char *	zBufOut
	)

Definition at line 152 of file os.c.

References sqlite3_vfs::xRandomness.

Referenced by randomByte().

int sqlite3OsRead	(	sqlite3_file *	id,
		void *	pBuf,
		int	amt,
		i64	offset
	)

Definition at line 63 of file os.c.

References DO_OS_MALLOC_TEST.

Referenced by pager_delmaster(), pager_playback_one_page(), pagerSharedLock(), read32bits(), readDbPage(), readJournalHdr(), readMasterJournal(), and sqlite3PagerReadFileheader().

int sqlite3OsSectorSize

(

sqlite3_file *

id

)

Definition at line 96 of file os.c.

References sqlite3_file::pMethods, SQLITE_DEFAULT_SECTOR_SIZE, and sqlite3_io_methods::xSectorSize.

Referenced by setSectorSize(), and sqlite3PagerOpen().

int sqlite3OsSleep	(	sqlite3_vfs *	pVfs,
		int	nMicro
	)

Definition at line 155 of file os.c.

References sqlite3_vfs::xSleep.

Referenced by sqlite3_sleep(), and sqliteDefaultBusyCallback().

int sqlite3OsSync	(	sqlite3_file *	id,
		int	flags
	)

Definition at line 74 of file os.c.

References DO_OS_MALLOC_TEST.

Referenced by sqlite3PagerCommitPhaseOne(), sqlite3PagerSync(), syncJournal(), vdbeCommit(), and zeroJournalHdr().

int sqlite3OsTruncate	(	sqlite3_file *	id,
		i64	size
	)

Definition at line 71 of file os.c.

Referenced by btreeCopyFile(), pager_end_transaction(), pager_truncate(), sqlite3PagerStmtCommit(), writeMasterJournal(), and zeroJournalHdr().

int sqlite3OsUnlock	(	sqlite3_file *	id,
		int	lockType
	)

Definition at line 86 of file os.c.

Referenced by osUnlock().

int sqlite3OsWrite	(	sqlite3_file *	id,
		const void *	pBuf,
		int	amt,
		i64	offset
	)

Definition at line 67 of file os.c.

References DO_OS_MALLOC_TEST.

Referenced by btreeCopyFile(), pager_incr_changecounter(), pager_playback_one_page(), pager_truncate(), pager_write(), pager_write_pagelist(), vdbeCommit(), write32bits(), writeJournalHdr(), writeMasterJournal(), and zeroJournalHdr().

static void vfsUnlink

(

sqlite3_vfs *

pVfs

)

[static]

Definition at line 224 of file os.c.

References sqlite3_vfs::pNext, sqlite3_mutex_held, sqlite3MutexAlloc, SQLITE_MUTEX_STATIC_MASTER, and vfsList.

Referenced by sqlite3_vfs_register(), and sqlite3_vfs_unregister().

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Variable Documentation

sqlite3_vfs* SQLITE_WSD vfsList = 0 [static]

Definition at line 193 of file os.c.