System.Net.GlobalLog.SetThreadSource C# (CSharp) Method

        internal static void SetThreadSource(ThreadKinds source)
        {
#if DEBUG
            if ((source & ThreadKinds.SourceMask) != source || source == ThreadKinds.Unknown)
            {
                throw new ArgumentException("Must specify the thread source.", "source");
            }

            if (ThreadKindStack.Count == 0)
            {
                ThreadKindStack.Push(source);
                return;
            }

            if (ThreadKindStack.Count > 1)
            {
                Print("WARNING: SetThreadSource must be called at the base of the stack, or the stack has been corrupted.");
                while (ThreadKindStack.Count > 1)
                {
                    ThreadKindStack.Pop();
                }
            }

            if (ThreadKindStack.Peek() != source)
            {
                // SQL can fail to clean up the stack, leaving the default Other at the bottom.  Replace it.
                Print("WARNING: The stack has been corrupted.");
                ThreadKinds last = ThreadKindStack.Pop() & ThreadKinds.SourceMask;
                Assert(last == source || last == ThreadKinds.Other, "Thread source changed.|Was:({0}) Now:({1})", last, source);
                ThreadKindStack.Push(source);
            }
#endif
        }

        private static void AbortWrapper(object context)
        {
#if DEBUG
            GlobalLog.SetThreadSource(ThreadKinds.Worker);
            using (GlobalLog.SetThreadKind(ThreadKinds.System)) {
#endif
            ((WebRequest)context).Abort();
#if DEBUG
        }
#endif
        }