"Chris Angelico" <ros...@gmail.com> wrote in message
news:mailman.337.1441913195.8327.python-l...@python.org...
On Fri, Sep 11, 2015 at 5:11 AM, James Harris
<james.harri...@gmail.com> wrote:
...
However, on Windows the recognition of Control-C does not happen
until after
something connects to the socket.
...
This is a known problem on Windows.
...
It's entirely possible that a blocking socket-accept call will
continue to block. There is one rather silly option, and that's to use
select() to effectively poll for Ctrl-C... or, possibly better, have a
separate program that shuts down your server (by connecting to it,
which thus breaks the stranglehold).
Thanks for your help, Chris. Using select() is a very good option. I
tried first without a timeout and even then this version of Windows does
not recognise Control-C until after the select() call returns (which
needs similar prompting as with the accept() call. However, select()
with a timeout allows the code to work both on Windows and Linux.
Hooray!
For anyone else who is looking for this the earlier test code was
changed to
port = 8880
import select
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setblocking(0)
s.bind(("", port))
s.listen(1)
while 1:
ready = select.select((s,), (), (), 0.5)
#print '(ready %s)' % repr(ready)
if (ready[0]):
try:
endpoint = s.accept()
except socket.error, details:
print 'Ignoring socket error:', repr(details)
continue
print '(endpoint %s)' % repr(endpoint)
if endpoint:
break
James
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