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Add the "volatile" keyword to variables in the Pager structure used for

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synchronization when memory management is enabled. (CVS 5153)

FossilOrigin-Name: 25b9f3b9b2d996ab4582b22b695c4dbd94d09cc7
This commit is contained in:
drh
2008-05-21 15:38:14 +00:00
parent 0c6844e685
commit 80105af21b
3 changed files with 11 additions and 11 deletions
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6
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 1.449 2008/05/20 07:05:09 danielk1977 Exp $
** @(#) $Id: pager.c,v 1.450 2008/05/21 15:38:15 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -401,8 +401,8 @@ struct Pager {
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
Pager *pNext; /* Doubly linked list of pagers on which */
Pager *pPrev; /* sqlite3_release_memory() will work */
int iInUseMM; /* Non-zero if unavailable to MM */
int iInUseDB; /* Non-zero if in sqlite3_release_memory() */
volatile int iInUseMM; /* Non-zero if unavailable to MM */
volatile int iInUseDB; /* Non-zero if in sqlite3_release_memory() */
#endif
char *pTmpSpace; /* Pager.pageSize bytes of space for tmp use */
char dbFileVers[16]; /* Changes whenever database file changes */