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Progress toward implementation of sqlite3_config() and a rework of the

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mutex and memory allocation subsystems.  This is an incremental check-in. (CVS 5218)

FossilOrigin-Name: a03c5af115889f477e17187a198a7d2d40bc76bf
This commit is contained in:
drh
2008-06-13 18:24:27 +00:00
parent 655194d6ae
commit 40257ffd0a
26 changed files with 453 additions and 155 deletions
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22
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.707 2008/06/06 15:04:37 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.708 2008/06/13 18:24:27 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -1731,6 +1731,24 @@ typedef struct {
int rc; /* Result code stored here */
} InitData;
/*
** Structure containing global configuration data for the SQLite library.
*/
struct Sqlite3Config {
void *(*xMalloc)(int); /* Low-level malloc() */
void *(*xRealloc)(void*,int); /* Low-level realloc() */
void (*xFree)(void*); /* Low-level free() */
int (*xMemsize)(void*); /* Return size of an allocation */
int (*xRoundup)(int); /* Size of allocation given request */
void *pHeap; /* Heap storage space */
sqlite3_int64 nHeap; /* Size of pHeap[] */
int mnReq, mxReq; /* Min and max memory request sizes */
int nTemp; /* Part of pHeap for temporary allos */
int bMemstat; /* True to enable memory status */
int bCoreMutex; /* True to enable core mutexing */
int bFullMutex; /* True to enable full mutexing */
};
/*
** Assuming zIn points to the first byte of a UTF-8 character,
** advance zIn to point to the first byte of the next UTF-8 character.
@@ -1763,6 +1781,7 @@ int sqlite3StrICmp(const char *, const char *);
int sqlite3StrNICmp(const char *, const char *, int);
int sqlite3IsNumber(const char*, int*, u8);
int sqlite3MallocInit(void);
void *sqlite3MallocZero(unsigned);
void *sqlite3DbMallocZero(sqlite3*, unsigned);
void *sqlite3DbMallocRaw(sqlite3*, unsigned);
@@ -2060,6 +2079,7 @@ int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **);
void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8);
#ifndef SQLITE_AMALGAMATION
extern const unsigned char sqlite3UpperToLower[];
extern struct Sqlite3Config sqlite3Config;
#endif
void sqlite3RootPageMoved(Db*, int, int);
void sqlite3Reindex(Parse*, Token*, Token*);