contrib/sqlite3/sqlite3.c

50373   PGroup *pGroup;                     /* PGroup this cache belongs to */
50374   unsigned int *pnPurgeable;          /* Pointer to pGroup->nPurgeable */
50627   assert( sqlite3_mutex_held(pCache->pGroup->mutex) );
50639     assert( pCache->pGroup==&pcache1.grp );
50640     pcache1LeaveMutex(pCache->pGroup);
50656     pcache1EnterMutex(pCache->pGroup);
50679   assert( sqlite3_mutex_held(p->pCache->pGroup->mutex) );
50748   assert( sqlite3_mutex_held(p->pGroup->mutex) );
50755   pcache1LeaveMutex(p->pGroup);
50759   pcache1EnterMutex(p->pGroup);
50789   assert( sqlite3_mutex_held(pPage->pCache->pGroup->mutex) );
50796   assert( pPage->pCache->pGroup->lru.isAnchor==1 );
50814   assert( sqlite3_mutex_held(pCache->pGroup->mutex) );
50828   PGroup *pGroup = pCache->pGroup;
50830   assert( sqlite3_mutex_held(pGroup->mutex) );
50831   while( pGroup->nPurgeable>pGroup->nMaxPage
50832       && (p=pGroup->lru.pLruPrev)->isAnchor==0
50834     assert( p->pCache->pGroup==pGroup );
50858   assert( sqlite3_mutex_held(pCache->pGroup->mutex) );
50972   PGroup *pGroup;       /* The group the new page cache will belong to */
50982       pGroup = (PGroup*)&pCache[1];
50983       pGroup->mxPinned = 10;
50985       pGroup = &pcache1.grp;
50987     pcache1EnterMutex(pGroup);
50988     if( pGroup->lru.isAnchor==0 ){
50989       pGroup->lru.isAnchor = 1;
50990       pGroup->lru.pLruPrev = pGroup->lru.pLruNext = &pGroup->lru;
50992     pCache->pGroup = pGroup;
51000       pGroup->nMinPage += pCache->nMin;
51001       pGroup->mxPinned = pGroup->nMaxPage + 10 - pGroup->nMinPage;
51002       pCache->pnPurgeable = &pGroup->nPurgeable;
51006     pcache1LeaveMutex(pGroup);
51023     PGroup *pGroup = pCache->pGroup;
51024     pcache1EnterMutex(pGroup);
51025     pGroup->nMaxPage += (nMax - pCache->nMax);
51026     pGroup->mxPinned = pGroup->nMaxPage + 10 - pGroup->nMinPage;
51030     pcache1LeaveMutex(pGroup);
51042     PGroup *pGroup = pCache->pGroup;
51044     pcache1EnterMutex(pGroup);
51045     savedMaxPage = pGroup->nMaxPage;
51046     pGroup->nMaxPage = 0;
51048     pGroup->nMaxPage = savedMaxPage;
51049     pcache1LeaveMutex(pGroup);
51059   pcache1EnterMutex(pCache->pGroup);
51061   pcache1LeaveMutex(pCache->pGroup);
51080   PGroup *pGroup = pCache->pGroup;
51086   assert( pGroup->mxPinned == pGroup->nMaxPage + 10 - pGroup->nMinPage );
51089         nPinned>=pGroup->mxPinned
51101    && !pGroup->lru.pLruPrev->isAnchor
51105     pPage = pGroup->lru.pLruPrev;
51114       pGroup->nPurgeable -= (pOther->bPurgeable - pCache->bPurgeable);
51199 ** the common case where pGroup->mutex is NULL.  The pcache1Fetch() wrapper
51240   pcache1EnterMutex(pCache->pGroup);
51243   pcache1LeaveMutex(pCache->pGroup);
51263   if( pCache->pGroup->mutex ){
51285   PGroup *pGroup = pCache->pGroup;
51288   pcache1EnterMutex(pGroup);
51296   if( reuseUnlikely || pGroup->nPurgeable>pGroup->nMaxPage ){
51300     PgHdr1 **ppFirst = &pGroup->lru.pLruNext;
51301     pPage->pLruPrev = &pGroup->lru;
51307   pcache1LeaveMutex(pCache->pGroup);
51326   pcache1EnterMutex(pCache->pGroup);
51343   pcache1LeaveMutex(pCache->pGroup);
51355   pcache1EnterMutex(pCache->pGroup);
51360   pcache1LeaveMutex(pCache->pGroup);
51370   PGroup *pGroup = pCache->pGroup;
51372   pcache1EnterMutex(pGroup);
51374   assert( pGroup->nMaxPage >= pCache->nMax );
51375   pGroup->nMaxPage -= pCache->nMax;
51376   assert( pGroup->nMinPage >= pCache->nMin );
51377   pGroup->nMinPage -= pCache->nMin;
51378   pGroup->mxPinned = pGroup->nMaxPage + 10 - pGroup->nMinPage;
51380   pcache1LeaveMutex(pGroup);