Async serial communication/threads sharing data

[John Nagle]

Hendrik van Rooyen wrote:
> "Nick Craig-Wood" <ni...g-wood.com> wrote:
> 
>> I wrote a serial port to TCP proxy (with logging) with twisted.  The
>> problem I had was that twisted serial ports didn't seem to have any
>> back pressure.  
> 
> Not sure if this is Twisted's fault - 
> do python sockets have 
> automatic back pressure?
> Do Linux sockets have back pressure?

    Yes, and yes.

				John Nagle