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Add a comment to the openSubjournal() function in pager.c. (CVS 6130)

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FossilOrigin-Name: 04387ae10ab3be24c93497f4af6f48d6832f37eb
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danielk1977
2009-01-07 10:52:56 +00:00
parent 1fab7b6664
commit 9153d850cc
3 changed files with 17 additions and 8 deletions
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11
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.536 2009/01/07 10:35:19 danielk1977 Exp $
** @(#) $Id: pager.c,v 1.537 2009/01/07 10:52:56 danielk1977 Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -3185,6 +3185,15 @@ int sqlite3PagerUnref(DbPage *pPg){
return SQLITE_OK;
}
/*
** If the main journal file has already been opened, ensure that the
** sub-journal file is open too. If the main journal is not open,
** this function is a no-op.
**
** SQLITE_OK is returned if everything goes according to plan. An
** SQLITE_IOERR_XXX error code is returned if the call to
** sqlite3OsOpen() fails.
*/
static int openSubJournal(Pager *pPager){
int rc = SQLITE_OK;
if( pPager->journalOpen && !pPager->sjfd->pMethods ){