/// <summary>
/// Shuts down a specific endpoint of this socket.
/// </summary>
/// <param name="endpoint">The endpoint created by Connect or Bind which is being shut down.</param>
/// <returns>True if the endpoint was shut down, false if the shutdown attempt was interrupted and should be reattempted.</returns>
/// <exception cref="NNanomsg.NanomsgException">Thrown if the socket is in an invalid state or the endpoint's shutdown attempt was interrupted and should be reattempted.</exception>
public bool Shutdown(NanomsgEndpoint endpoint)
{
const int ValidShutdownResult = 0, MaxShutdownAttemptCount = 5;
int attemptCount = 0;
while (true)
{
if (Interop.nn_shutdown(_socket, endpoint.ID) != ValidShutdownResult)
{
int error = Interop.nn_errno();
// if we were interrupted by a signal, reattempt is allowed by the native library
if (error == NanomsgSymbols.EINTR)
{
if (attemptCount++ >= MaxShutdownAttemptCount)
{
return(false);
}
else
{
Thread.SpinWait(1);
continue;
}
}
throw new NanomsgException("nn_shutdown " + endpoint.ID.ToString(), error);
}
return(true);
}
}
public static int Shutdown(int s, int how)
{
return(Interop.nn_shutdown(s, how));
}