non-blocking sockets

[Michael Gilfix]

On Tue, Apr 23 @ 16:47, Donn Cave wrote:
> Quoth Michael Gilfix <mgilfix at eecs.tufts.edu>:
> |   You need to use the select module to poll the socket. The select
> | module allows you to specify how long you want your timeout (in this
> | case, you probably want a timeout of 0, which is simply a poll) and
> | the module tells you which sockets are waiting for reading/writing.
> |
> |   import select
> |   read_sock = <my readable socket>
> |   w_ready, r_ready, e_ready = select.select ([ ], [ read_sock ], [ ], 0)
> |
> |   if read_sock in r_ready:
> |     # Process socket
> |
> |   ... will probably do what you want.
> 
> Yes - and then, we might add, you don't need to make the
> socket non-blocking.

  Not necessarily. Depends on his application and how much trust he
places in his network operations..

               -- Mike

-- 
Michael Gilfix
mgilfix at eecs.tufts.edu

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