public PgHdr pPgHdr = new PgHdr(); // Pointer to Actual Page Header
public void Clear()
{
this.iKey = 0;
this.pNext = null;
this.pCache = null;
this.pPgHdr.ClearState();
}
public PgHdr pPgHdr = new PgHdr(); // Pointer to Actual Page Header
public void Clear()
{
this.iKey = 0;
this.pNext = null;
this.pCache = null;
this.pPgHdr.ClearState();
}
public static IPCache xCreate(int szPage, bool bPurgeable)
{
// The seperateCache variable is true if each PCache has its own private PGroup. In other words, separateCache is true for mode (1) where no
// mutexing is required.
// * Always use a unified cache (mode-2) if ENABLE_MEMORY_MANAGEMENT
// * Always use a unified cache in single-threaded applications
// * Otherwise (if multi-threaded and ENABLE_MEMORY_MANAGEMENT is off) use separate caches (mode-1)
#if SQLITE_ENABLE_MEMORY_MANAGEMENT || !SQLITE_THREADSAF
const int separateCache = 0;
#else
int separateCache = sqlite3GlobalConfig.bCoreMutex > 0;
#endif
var pCache = new PCache1();
{
PGroup pGroup; // The group the new page cache will belong to
if (separateCache != 0)
{
//pGroup = new PGroup();
//pGroup.mxPinned = 10;
}
else
{
pGroup = pcache1.grp;
}
pCache.pGroup = pGroup;
pCache.szPage = szPage;
pCache.bPurgeable = bPurgeable;
if (bPurgeable)
{
pCache.nMin = 10;
pcache1EnterMutex(pGroup);
pGroup.nMinPage += (int)pCache.nMin;
pGroup.mxPinned = pGroup.nMaxPage + 10 - pGroup.nMinPage;
pcache1LeaveMutex(pGroup);
}
}
return((IPCache)pCache);
}
public static IPCache xCreate(int szPage, bool bPurgeable)
{
// The seperateCache variable is true if each PCache has its own private PGroup. In other words, separateCache is true for mode (1) where no
// mutexing is required.
// * Always use a unified cache (mode-2) if ENABLE_MEMORY_MANAGEMENT
// * Always use a unified cache in single-threaded applications
// * Otherwise (if multi-threaded and ENABLE_MEMORY_MANAGEMENT is off) use separate caches (mode-1)
#if SQLITE_ENABLE_MEMORY_MANAGEMENT || !SQLITE_THREADSAF
const int separateCache = 0;
#else
int separateCache = sqlite3GlobalConfig.bCoreMutex > 0;
#endif
var pCache = new PCache1();
{
PGroup pGroup; // The group the new page cache will belong to
if (separateCache != 0)
{
//pGroup = new PGroup();
//pGroup.mxPinned = 10;
}
else
pGroup = pcache1.grp;
pCache.pGroup = pGroup;
pCache.szPage = szPage;
pCache.bPurgeable = bPurgeable;
if (bPurgeable)
{
pCache.nMin = 10;
pcache1EnterMutex(pGroup);
pGroup.nMinPage += (int)pCache.nMin;
pGroup.mxPinned = pGroup.nMaxPage + 10 - pGroup.nMinPage;
pcache1LeaveMutex(pGroup);
}
}
return (IPCache)pCache;
}
private static PgHdr1 PAGE_TO_PGHDR1(PCache1 c, PgHdr p)
{
return((PgHdr1)p.PgHdr1);
}
private static PgHdr1 PAGE_TO_PGHDR1(PCache1 c, PgHdr p)
{
return (PgHdr1)p.PgHdr1;
}
