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Work toward correct btree locking in a multithreaded environment. (CVS 4307)

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FossilOrigin-Name: b8cc493b47e618648f645ab73eb0253739e03fcd
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drh
2007-08-28 02:27:51 +00:00
parent da57895fec
commit 900b31ef49
13 changed files with 294 additions and 135 deletions
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3
src/build.c
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@@ -22,7 +22,7 @@
** COMMIT
** ROLLBACK
**
** $Id: build.c,v 1.438 2007/08/22 20:18:22 drh Exp $
** $Id: build.c,v 1.439 2007/08/28 02:27:52 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -164,6 +164,7 @@ void sqlite3FinishCoding(Parse *pParse){
sqlite3VdbeJumpHere(v, pParse->cookieGoto-1);
for(iDb=0, mask=1; iDb<db->nDb; mask<<=1, iDb++){
if( (mask & pParse->cookieMask)==0 ) continue;
sqlite3VdbeAddMutexBtree(v, db->aDb[iDb].pBt);
sqlite3VdbeAddOp(v, OP_Transaction, iDb, (mask & pParse->writeMask)!=0);
sqlite3VdbeAddOp(v, OP_VerifyCookie, iDb, pParse->cookieValue[iDb]);
}