private void CheckWaitingReads()
{
if (!readLocked.HasValue && waitingReads.Count > 0)
{
WaitingRead wr = waitingReads.Peek();
if (items.Count >= wr.desiredItems || (eofSignaled && !writeLocked.HasValue && waitingWrites.Count == 0))
{
waitingReads.Dequeue();
readLocked = Math.Min(wr.desiredItems, items.Count);
wr.k.PostResult(new AcquireReadSucceeded <T>(readPtr, readLocked.Value == 0 ? ImmutableList <T> .Empty : items.GetRange(0, readLocked.Value)));
if (wr.ctr.HasValue)
{
wr.ctr.Value.PostDispose();
}
if (readLocked.Value == 0)
{
while (waitingReads.Count > 0)
{
WaitingRead wr2 = waitingReads.Dequeue();
wr2.k.PostResult(new AcquireReadSucceeded <T>(readPtr, ImmutableList <T> .Empty));
if (wr2.ctr.HasValue)
{
wr2.ctr.Value.PostDispose();
}
}
}
}
}
}
private void CompleteWork(int workerId)
{
lock (syncRoot) {
busyWorkers = busyWorkers.Remove(workerId);
idleWorkers = idleWorkers.Add(workerId);
if (waitingWorkItems.Count > 0)
{
WaitingWorkItem wwi = waitingWorkItems.Dequeue();
if (wwi.work is Func <int, Task> )
{
wwi.k.PostResult(StartWorker((Func <int, Task>)wwi.work));
}
else
{
wwi.k.PostResult(StartWorker((Func <int, CancellationToken, Task>)wwi.work, wwi.ctoken));
}
if (wwi.ctr.HasValue)
{
wwi.ctr.Value.Dispose();
}
}
}
}
public void Leave()
{
lock (syncRoot) {
--referenceCount;
if (referenceCount == 0)
{
while (waiters.Count > 0)
{
Waiter waiter = waiters.Dequeue();
waiter.k.PostResult(true);
if (waiter.ctr.HasValue)
{
waiter.ctr.Value.Dispose();
}
}
}
}
}
private void CheckWaitingWrites()
{
if (!writeLocked.HasValue && waitingWrites.Count > 0)
{
WaitingWrite ww = waitingWrites.Peek();
System.Diagnostics.Debug.Assert(capacity.HasValue, "If there is no capacity limit, there should never be any waiting writes");
// ReSharper disable once PossibleInvalidOperationException
if (capacity.Value - items.Count >= ww.desiredSpace)
{
waitingWrites.Dequeue();
writeLocked = ww.desiredSpace;
ww.k.PostResult(new AcquireWriteSucceeded(readPtr + items.Count, ww.desiredSpace));
if (ww.ctr.HasValue)
{
ww.ctr.Value.PostDispose();
}
}
}
}