247 #define pcache1 (GLOBAL(struct PCacheGlobal, pcache1_g))  macro
276   if( pcache1.isInit ){  in sqlite3PCacheBufferSetup()
281     pcache1.szSlot = sz;  in sqlite3PCacheBufferSetup()
282     pcache1.nSlot = pcache1.nFreeSlot = n;  in sqlite3PCacheBufferSetup()
283     pcache1.nReserve = n>90 ? 10 : (n/10 + 1);  in sqlite3PCacheBufferSetup()
284     pcache1.pStart = pBuf;  in sqlite3PCacheBufferSetup()
285     pcache1.pFree = 0;  in sqlite3PCacheBufferSetup()
286     pcache1.bUnderPressure = 0;  in sqlite3PCacheBufferSetup()
289       p->pNext = pcache1.pFree;  in sqlite3PCacheBufferSetup()
290       pcache1.pFree = p;  in sqlite3PCacheBufferSetup()
293     pcache1.pEnd = pBuf;  in sqlite3PCacheBufferSetup()
304   if( pcache1.nInitPage==0 ) return 0;  in pcache1InitBulk()
308   if( pcache1.nInitPage>0 ){  in pcache1InitBulk()
309     szBulk = pCache->szAlloc * (i64)pcache1.nInitPage;  in pcache1InitBulk()
311     szBulk = -1024 * (i64)pcache1.nInitPage;  in pcache1InitBulk()
346   assert( sqlite3_mutex_notheld(pcache1.grp.mutex) );  in pcache1Alloc()
347   if( nByte<=pcache1.szSlot ){  in pcache1Alloc()
348     sqlite3_mutex_enter(pcache1.mutex);  in pcache1Alloc()
349     p = (PgHdr1 *)pcache1.pFree;  in pcache1Alloc()
351       pcache1.pFree = pcache1.pFree->pNext;  in pcache1Alloc()
352       pcache1.nFreeSlot--;  in pcache1Alloc()
353       pcache1.bUnderPressure = pcache1.nFreeSlot<pcache1.nReserve;  in pcache1Alloc()
354       assert( pcache1.nFreeSlot>=0 );  in pcache1Alloc()
358     sqlite3_mutex_leave(pcache1.mutex);  in pcache1Alloc()
368       sqlite3_mutex_enter(pcache1.mutex);  in pcache1Alloc()
371       sqlite3_mutex_leave(pcache1.mutex);  in pcache1Alloc()
384   if( SQLITE_WITHIN(p, pcache1.pStart, pcache1.pEnd) ){  in pcache1Free()
386     sqlite3_mutex_enter(pcache1.mutex);  in pcache1Free()
389     pSlot->pNext = pcache1.pFree;  in pcache1Free()
390     pcache1.pFree = pSlot;  in pcache1Free()
391     pcache1.nFreeSlot++;  in pcache1Free()
392     pcache1.bUnderPressure = pcache1.nFreeSlot<pcache1.nReserve;  in pcache1Free()
393     assert( pcache1.nFreeSlot<=pcache1.nSlot );  in pcache1Free()
394     sqlite3_mutex_leave(pcache1.mutex);  in pcache1Free()
402       sqlite3_mutex_enter(pcache1.mutex);  in pcache1Free()
404       sqlite3_mutex_leave(pcache1.mutex);  in pcache1Free()
416   if( p>=pcache1.pStart && p<pcache1.pEnd ){  in pcache1MemSize()
417     return pcache1.szSlot;  in pcache1MemSize()
447     assert( pcache1.separateCache==0 );  in pcache1AllocPage()
448     assert( pCache->pGroup==&pcache1.grp );  in pcache1AllocPage()
521   if( pcache1.nSlot && (pCache->szPage+pCache->szExtra)<=pcache1.szSlot ){  in pcache1UnderMemoryPressure()
522     return pcache1.bUnderPressure;  in pcache1UnderMemoryPressure()
699   assert( pcache1.isInit==0 );  in pcache1Init()
700   memset(&pcache1, 0, sizeof(pcache1));  in pcache1Init()
718   pcache1.separateCache = 0;  in pcache1Init()
720   pcache1.separateCache = sqlite3GlobalConfig.pPage==0  in pcache1Init()
723   pcache1.separateCache = sqlite3GlobalConfig.pPage==0;  in pcache1Init()
728     pcache1.grp.mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_LRU);  in pcache1Init()
729     pcache1.mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_PMEM);  in pcache1Init()
732   if( pcache1.separateCache  in pcache1Init()
736     pcache1.nInitPage = sqlite3GlobalConfig.nPage;  in pcache1Init()
738     pcache1.nInitPage = 0;  in pcache1Init()
740   pcache1.grp.mxPinned = 10;  in pcache1Init()
741   pcache1.isInit = 1;  in pcache1Init()
752   assert( pcache1.isInit!=0 );  in pcache1Shutdown()
753   memset(&pcache1, 0, sizeof(pcache1));  in pcache1Shutdown()
772   sz = sizeof(PCache1) + sizeof(PGroup)*pcache1.separateCache;  in pcache1Create()
775     if( pcache1.separateCache ){  in pcache1Create()
779       pGroup = &pcache1.grp;  in pcache1Create()
1223   return pcache1.mutex;  in sqlite3Pcache1Mutex()
1238   assert( sqlite3_mutex_notheld(pcache1.grp.mutex) );  in sqlite3PcacheReleaseMemory()
1239   assert( sqlite3_mutex_notheld(pcache1.mutex) );  in sqlite3PcacheReleaseMemory()
1242     pcache1EnterMutex(&pcache1.grp);  in sqlite3PcacheReleaseMemory()
1244        &&  (p=pcache1.grp.lru.pLruPrev)!=0  in sqlite3PcacheReleaseMemory()
1252     pcache1LeaveMutex(&pcache1.grp);  in sqlite3PcacheReleaseMemory()
1271   for(p=pcache1.grp.lru.pLruNext; p && !p->isAnchor; p=p->pLruNext){  in sqlite3PcacheStats()
1275   *pnCurrent = pcache1.grp.nPurgeable;  in sqlite3PcacheStats()
1276   *pnMax = (int)pcache1.grp.nMaxPage;  in sqlite3PcacheStats()
1277   *pnMin = (int)pcache1.grp.nMinPage;  in sqlite3PcacheStats()