private void AddSection()
{
FileSection n = new FileSection(_sections.Length, BlockSize);
lock (_sync)
{
n.Commit(_fput, false);
n.Commit(_fput, true);
}
FileSection[] grow = new FileSection[_sections.Length + 1];
_sections.CopyTo(grow, 0);
grow[_sections.Length] = n;
OrdinalList freeblocks = _freeBlocks.Clone();
freeblocks.Ceiling = (grow.Length * BlocksPerSection) - 1;
OrdinalList freehandles = _freeHandles.Clone();
freehandles.Ceiling = (grow.Length * BlocksPerSection) - 1;
// First and last handles/blocks are reserved by the section
int lastFree = grow.Length * BlocksPerSection - 1;
int firstFree = lastFree - BlocksPerSection + 2;
for (int i = firstFree; i < lastFree; i++)
{
freehandles.Add(i);
freeblocks.Add(i);
}
_sections = grow;
_freeHandles = freehandles;
_freeBlocks = freeblocks;
}