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Overview
Comment:Additional changes suggested by Rob Stoddard.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | branch-3.5.9
Files: files | file ages | folders
SHA1: 228b8ad9dd1e6dcdfd157d2398becb2d69d9b1fe
User & Date: drh 2010-01-29 19:50:13.000
Context
2010-01-29
19:50
Additional changes suggested by Rob Stoddard. (Closed-Leaf check-in: 228b8ad9dd user: drh tags: branch-3.5.9)
19:46
Changes to 3.5.9 proposed by Rob Stoddard. (check-in: 5ed168c48e user: drh tags: branch-3.5.9)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/pager.c.
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/* 
** Add page pPg to the list of free pages for the pager. If 
** memory-management is enabled, also add the page to the global 
** list of free pages.
*/
static void lruListAdd(PgHdr *pPg){

  listAdd(&pPg->pPager->lru, &pPg->free, pPg);
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
  if( !pPg->pPager->memDb ){
    sqlite3_mutex_enter(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
    listAdd(&sqlite3LruPageList, &pPg->gfree, pPg);
    sqlite3_mutex_leave(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
  }
#endif

}

/* 
** Remove page pPg from the list of free pages for the associated pager.
** If memory-management is enabled, also remove pPg from the global list
** of free pages.
*/
static void lruListRemove(PgHdr *pPg){

  listRemove(&pPg->pPager->lru, &pPg->free, pPg);
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
  if( !pPg->pPager->memDb ){
    sqlite3_mutex_enter(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
    listRemove(&sqlite3LruPageList, &pPg->gfree, pPg);
    sqlite3_mutex_leave(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
  }
#endif

}

/* 
** This function is called just after the needSync flag has been cleared
** from all pages managed by pPager (usually because the journal file
** has just been synced). It updates the pPager->lru.pFirstSynced variable
** and, if memory-management is enabled, the sqlite3LruPageList.pFirstSynced








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609
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611
612
613
614
615
616
617
618
619

620

621
622
623
624
625
626
627
628
629
630
631
632
633
634
635

636

637
638
639
640
641
642
643
644
645
646


/* 
** Add page pPg to the list of free pages for the pager. If 
** memory-management is enabled, also add the page to the global 
** list of free pages.
*/
static void lruListAdd(PgHdr *pPg){
  sqlite3_mutex_enter(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
  listAdd(&pPg->pPager->lru, &pPg->free, pPg);
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
  if( !pPg->pPager->memDb ){

    listAdd(&sqlite3LruPageList, &pPg->gfree, pPg);

  }
#endif
  sqlite3_mutex_leave(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
}

/* 
** Remove page pPg from the list of free pages for the associated pager.
** If memory-management is enabled, also remove pPg from the global list
** of free pages.
*/
static void lruListRemove(PgHdr *pPg){
  sqlite3_mutex_enter(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
  listRemove(&pPg->pPager->lru, &pPg->free, pPg);
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
  if( !pPg->pPager->memDb ){

    listRemove(&sqlite3LruPageList, &pPg->gfree, pPg);

  }
#endif
  sqlite3_mutex_leave(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_LRU));
}

/* 
** This function is called just after the needSync flag has been cleared
** from all pages managed by pPager (usually because the journal file
** has just been synced). It updates the pPager->lru.pFirstSynced variable
** and, if memory-management is enabled, the sqlite3LruPageList.pFirstSynced
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