static public CompressedStack GetCompressedStack ()
{
// Note: CompressedStack.GetCompressedStack doesn't return null
// like Thread.CurrentThread.GetCompressedStack if no compressed
// stack is present.
CompressedStack cs = Thread.CurrentThread.GetCompressedStack ();
if (cs == null) {
cs = CompressedStack.Capture ();
} else {
// merge the existing compressed stack (from a previous Thread) with the current
// Thread stack so we can assign "all of it" to yet another Thread
CompressedStack newstack = CompressedStack.Capture ();
for (int i=0; i < newstack._list.Count; i++)
cs._list.Add (newstack._list [i]);
}
return cs;
}
