public E Take(int timeout)
{
lock (_monitor) {
if (_sendRequestQueue.Count != 0)
{
SendRequest <E> sendRequest = _sendRequestQueue.First.Value;
_sendRequestQueue.RemoveFirst();
if (sendRequest.IsBlocking)
{
sendRequest.Done = true;
Monitor.Pulse(_monitor);
}
return(sendRequest.Message);
}
Request <E> request = new Request <E>();
_requestQueue.AddLast(request);
TimeoutHolder timeoutHolder = new TimeoutHolder(timeout);
do
{
try {
if (timeoutHolder.Value <= 0L)
{
_requestQueue.Remove(request);
return(default);
public bool Transfer(E message, int timeout)
{
lock (_monitor) {
if (_requestQueue.Count != 0)
{
Request <E> request = _requestQueue.First.Value;
_requestQueue.RemoveFirst();
request.Message = message;
request.Done = true;
Monitor.Pulse(_monitor);
}
else
{
SendRequest <E> request = new SendRequest <E>(message, BLOCKING);
_sendRequestQueue.AddLast(request);
TimeoutHolder timeoutHolder = new TimeoutHolder(timeout);
do
{
try {
if (timeoutHolder.Value <= 0L)
{
_sendRequestQueue.Remove(request);
return(false);
}
Monitor.Wait(_monitor, timeout);
}
catch (ThreadInterruptedException ie) {
if (request.Done)
{
Thread.CurrentThread.Interrupt();
break;
//will return true after the interruption, because the operation succeeded
}
_sendRequestQueue.Remove(request);
throw ie;
}
} while (_requestQueue.Count == 0);
}
return(true);
}
}