/// <summary>
/// Awaits completion or aborts on interrupt or timeout.
/// </summary>
/// <param name="timed"> true if use timed waits </param>
/// <param name="nanos"> time to wait, if timed </param>
/// <returns> state upon completion </returns>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private int awaitDone(boolean timed, long nanos) throws InterruptedException
private int AwaitDone(bool timed, long nanos)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long deadline = timed ? System.nanoTime() + nanos : 0L;
long deadline = timed ? System.nanoTime() + nanos : 0L;
WaitNode q = null;
bool queued = false;
for (;;)
{
if (Thread.Interrupted())
{
RemoveWaiter(q);
throw new InterruptedException();
}
int s = State;
if (s > COMPLETING)
{
if (q != null)
{
q.Thread = null;
}
return(s);
}
else if (s == COMPLETING) // cannot time out yet
{
Thread.@yield();
}
else if (q == null)
{
q = new WaitNode();
}
else if (!queued)
{
queued = UNSAFE.compareAndSwapObject(this, WaitersOffset, q.Next = Waiters, q);
}
else if (timed)
{
nanos = deadline - System.nanoTime();
if (nanos <= 0L)
{
RemoveWaiter(q);
return(State);
}
LockSupport.ParkNanos(this, nanos);
}
else
{
LockSupport.Park(this);
}
}
}