diff -r 000000000000 -r dd21522fd290 webengine/webkitutils/SqliteSymbian/pager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/webengine/webkitutils/SqliteSymbian/pager.h Mon Mar 30 12:54:55 2009 +0300 @@ -0,0 +1,123 @@ +/* +** 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,v 1.51 2006/08/08 13:51:43 drh Exp $ +*/ + +#ifndef _PAGER_H_ +#define _PAGER_H_ + +/* +** The default size of a database page. +*/ +#ifndef SQLITE_DEFAULT_PAGE_SIZE +# define SQLITE_DEFAULT_PAGE_SIZE 1024 +#endif + +/* Maximum page size. The upper bound on this value is 32768. This a limit +** imposed by necessity of storing the value in a 2-byte unsigned integer +** and the fact that the page size must be a power of 2. +** +** This value is used to initialize certain arrays on the stack at +** various places in the code. On embedded machines where stack space +** is limited and the flexibility of having large pages is not needed, +** it makes good sense to reduce the maximum page size to something more +** reasonable, like 1024. +*/ +#ifndef SQLITE_MAX_PAGE_SIZE +# define SQLITE_MAX_PAGE_SIZE 32768 +#endif + +/* +** Maximum number of pages in one database. +*/ +#define SQLITE_MAX_PAGE 1073741823 + +/* +** 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; + +/* +** Allowed values for the flags parameter to sqlite3pager_open(). +** +** 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 */ + + +/* +** See source code comments for a detailed description of the following +** routines: +*/ +int sqlite3pager_open(Pager **ppPager, const char *zFilename, + int nExtra, int flags); +void sqlite3pager_set_busyhandler(Pager*, BusyHandler *pBusyHandler); +void sqlite3pager_set_destructor(Pager*, void(*)(void*,int)); +void sqlite3pager_set_reiniter(Pager*, void(*)(void*,int)); +int sqlite3pager_set_pagesize(Pager*, int); +void sqlite3pager_read_fileheader(Pager*, int, unsigned char*); +void sqlite3pager_set_cachesize(Pager*, int); +int sqlite3pager_close(Pager *pPager); +int sqlite3pager_get(Pager *pPager, Pgno pgno, void **ppPage); +void *sqlite3pager_lookup(Pager *pPager, Pgno pgno); +int sqlite3pager_ref(void*); +int sqlite3pager_unref(void*); +Pgno sqlite3pager_pagenumber(void*); +int sqlite3pager_write(void*); +int sqlite3pager_iswriteable(void*); +int sqlite3pager_overwrite(Pager *pPager, Pgno pgno, void*); +int sqlite3pager_pagecount(Pager*); +int sqlite3pager_truncate(Pager*,Pgno); +int sqlite3pager_begin(void*, int exFlag); +int sqlite3pager_commit(Pager*); +int sqlite3pager_sync(Pager*,const char *zMaster, Pgno); +int sqlite3pager_rollback(Pager*); +int sqlite3pager_isreadonly(Pager*); +int sqlite3pager_stmt_begin(Pager*); +int sqlite3pager_stmt_commit(Pager*); +int sqlite3pager_stmt_rollback(Pager*); +void sqlite3pager_dont_rollback(void*); +void sqlite3pager_dont_write(Pager*, Pgno); +int sqlite3pager_refcount(Pager*); +int *sqlite3pager_stats(Pager*); +void sqlite3pager_set_safety_level(Pager*,int,int); +const char *sqlite3pager_filename(Pager*); +const char *sqlite3pager_dirname(Pager*); +const char *sqlite3pager_journalname(Pager*); +int sqlite3pager_nosync(Pager*); +int sqlite3pager_rename(Pager*, const char *zNewName); +void sqlite3pager_set_codec(Pager*,void*(*)(void*,void*,Pgno,int),void*); +int sqlite3pager_movepage(Pager*,void*,Pgno); +int sqlite3pager_reset(Pager*); +int sqlite3pager_release_memory(int); + +#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) +int sqlite3pager_lockstate(Pager*); +#endif + +#ifdef SQLITE_TEST +void sqlite3pager_refdump(Pager*); +int pager3_refinfo_enable; +#endif + +#endif /* _PAGER_H_ */