/// <summary>
/// The constructor of a DataStore for a memory.
/// </summary>
/// <param name="initialPageSize"></param>
/// <param name="limits"></param>
/// <param name="defaults"></param>
/// <param name="globSrc"></param>
public DataStore(uint initialPageSize, LimitsPaged limits, List <DefSegment> defaults, ExecutionContext globSrc)
{
this.storeAlignment = PageSize;
this.ExpandPages_OrThrow(initialPageSize, limits);
// Write the default values, or expand the store if (for some reason) we need
// even more memory than the initial specific page size.
uint defaultSet = this.WriteDefSegmentsData(defaults, globSrc);
if (defaultSet != 0)
{
uint reqPgCt = defaultSet / PageSize;
if (defaultSet % PageSize != 0)
{
++reqPgCt;
}
this.ExpandPages_OrThrow(reqPgCt, limits);
if (this.WriteDefSegmentsData(defaults, globSrc) != 0)
{
throw new System.Exception("Unknown issue setting default store values for Memory.");
}
}
}
public ExpandRet ExpandPages_OrThrow(uint newPageSize, LimitsPaged limits, bool throwOnNoChange = false)
{
ExpandRet ret = this.ExpandPages(newPageSize, limits);
this.ThrowErrorForExpandReturn(ret, throwOnNoChange);
return(ret);
}
public DefMem(int index, uint initialPages, uint minPages, uint maxPages)
{
this.index = index;
this.initialPages = initialPages;
this.limits = new LimitsPaged(minPages, maxPages);
this.defSegments = new List <DefSegment>();
}
public ExpandRet ExpandPages(uint newPageSize, LimitsPaged limits)
{
uint maxSize = (uint)System.Math.Min(uint.MaxValue, (long)limits.maxPages * PageSize);
return
(this._ExpandSize(
newPageSize * PageSize,
limits.minPages * PageSize,
maxSize));
}
