Re: seeking non gtk io monitoring function

On Sun, 2004-12-12 at 11:10 -0800, Steven Howe wrote:
> Hello,
> I'm making a server/client type program. The server will monitor and
> process data collecting in a file.
> I have two criteria I must satisfy. These are:
> 1)    The data creation is completely asynchronous. 
> 2)    I need to respond to new data immediately.
> 
> The obvious solution would be to form a tight while loop with read,
> test for read result and a short sleep function at it's end. But this
> seem to be very wasteful. I'd rather have a function that is suspended
> (not racking up CPU cycles). On the PYGTK side I've used: 
> 
>     gobject.io_add_watch(source, condition, callback)  ( see:
> MonitoringIO )
> 
> in a mainloop and let the pygtk app deal with CPU cycles.
> 
> For the server side, I'd rather not use pygtk as it doesn't have any
> other gtk functionality. Some pygtk function wrap other python
> function. Is there a non-pygtk io_add_watch function? One that
> suspends execution until there's new IO on a file?

You can use select() to wait on input, or output, to a file, pipe or
socket.

> 
> 
> Steven Howe
> steven.howe@xxxxxxxxxxx
> 
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-- 
Steve McClure                                           Racemi
email: smcclure@xxxxxxxxxx                              75 5th St NE
voice: 404-892-5850                                     Suite 333
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