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Work toward multithreading support. Currently crashes quickly on a test. (CVS 4253)

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FossilOrigin-Name: 1315bd8e125602275fb718780f9b2730bd37f6ab
This commit is contained in:
drh
2007-08-20 22:48:41 +00:00
parent 7e3c77df0d
commit d677b3d688
23 changed files with 761 additions and 224 deletions
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31
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.592 2007/08/20 14:23:44 danielk1977 Exp $
** @(#) $Id: sqliteInt.h,v 1.593 2007/08/20 22:48:43 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -33,6 +33,19 @@
# define NDEBUG 1
#endif
/*
** The SQLITE_THREADSAFE macro must be defined as either 0 or 1.
** Older versions of SQLite used an optional THREADSAFE macro.
** We support that for legacy
*/
#if !defined(SQLITE_THREADSAFE)
#if defined(THREADSAFE)
# define SQLITE_THREADSAFE THREADSAFE
#else
# define SQLTIE_THREADSAFE 1
#endif
#endif
/*
** These #defines should enable >2GB file support on Posix if the
** underlying operating system supports it. If the OS lacks
@@ -399,7 +412,7 @@ struct sqlite3 {
int magic; /* Magic number for detect library misuse */
int nChange; /* Value returned by sqlite3_changes() */
int nTotalChange; /* Value returned by sqlite3_total_changes() */
sqlite3_mutex *pMutex; /* Connection mutex */
sqlite3_mutex *mutex; /* Connection mutex */
struct sqlite3InitInfo { /* Information used during initialization */
int iDb; /* When back is being initialized */
int newTnum; /* Rootpage of table being initialized */
@@ -1818,10 +1831,17 @@ void sqlite3Parser(void*, int, Token, Parse*);
#endif
/*
** FIX ME: create these routines
** The MallocDisallow() and MallocAllow() routines are like asserts.
** Call them around a section of code that you do not expect to do
** any memory allocation.
*/
#define sqlite3MallocDisallow()
#define sqlite3MallocAllow()
#ifdef SQLITE_MEMDEBUG
void sqlite3MallocDisallow(void);
void sqlite3MallocAllow(void);
#else
# define sqlite3MallocDisallow()
# define sqlite3MallocAllow()
#endif
#ifdef SQLITE_OMIT_VIRTUALTABLE
@@ -1850,7 +1870,6 @@ void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**);
int sqlite3Reprepare(Vdbe*);
void sqlite3ExprListCheckLength(Parse*, ExprList*, int, const char*);
CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *);
int sqlite3CrashFileOpen(sqlite3_vfs*, const char*, sqlite3_file*, int,int*);
#if SQLITE_MAX_EXPR_DEPTH>0
void sqlite3ExprSetHeight(Expr *);