internal static void Send(Ch <T> ch, ref Worker wr, T x)
{
TryNextTaker:
ch.Lock.Enter();
var tail = ch.Takers;
if (null == tail)
{
goto TryGiver;
}
var cursor = tail.Next;
if (tail == cursor)
{
ch.Takers = null;
ch.Lock.Exit();
}
else
{
tail.Next = cursor.Next;
ch.Lock.Exit();
tail = cursor as Cont <T>;
}
var taker = tail as Taker <T>;
if (null == taker)
{
goto GotTaker;
}
var pkOther = taker.Pick;
TryPickOther:
var stOther = Pick.TryPick(pkOther);
if (stOther > 0)
{
goto TryNextTaker;
}
if (stOther < 0)
{
goto TryPickOther;
}
Pick.SetNacks(ref wr, taker.Me, pkOther);
tail = taker.Cont;
GotTaker:
tail.Value = x;
Worker.Push(ref wr, tail);
return;
TryGiver:
WaitQueue.AddSend(ref ch.Givers, x);
ch.Lock.Exit();
return;
}