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Changes to insure that lookaside memory allocations are never used to hold

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schema content.
Ticket #3743. (CVS 6377)

FossilOrigin-Name: ea74d8dc62f5784089aa8ef098e97c505a79b176
This commit is contained in:
drh
2009-03-24 15:08:09 +00:00
parent 4be6469146
commit d9da78a2c8
19 changed files with 139 additions and 118 deletions
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17
src/tclsqlite.c
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@@ -12,7 +12,7 @@
** A TCL Interface to SQLite. Append this file to sqlite3.c and
** compile the whole thing to build a TCL-enabled version of SQLite.
**
** $Id: tclsqlite.c,v 1.238 2009/03/16 13:19:36 danielk1977 Exp $
** $Id: tclsqlite.c,v 1.239 2009/03/24 15:08:10 drh Exp $
*/
#include "tcl.h"
#include <errno.h>
@@ -2593,8 +2593,21 @@ static int DbMain(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
int i;
const char *zFile;
const char *zVfs = 0;
int flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_NOMUTEX;
int flags;
Tcl_DString translatedFilename;
/* In normal use, each TCL interpreter runs in a single thread. So
** by default, we can turn of mutexing on SQLite database connections.
** However, for testing purposes it is useful to have mutexes turned
** on. So, by default, mutexes default off. But if compiled with
** SQLITE_TCL_DEFAULT_FULLMUTEX then mutexes default on.
*/
#ifdef SQLITE_TCL_DEFAULT_FULLMUTEX
flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_FULLMUTEX;
#else
flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_NOMUTEX;
#endif
if( objc==2 ){
zArg = Tcl_GetStringFromObj(objv[1], 0);
if( strcmp(zArg,"-version")==0 ){