Re: [STUMP] A shell command causes stumpwm freezed

[z_axis]

At least i wish i can cancel the `ping` and return control to stumpwm.

在 Mon, 29 Oct 2012 15:25:42 +0800，Shawn Betts <address@hidden> 写道:

> On Sun, Oct 28, 2012 at 10:30 PM, z_axis <address@hidden> wrote:
> > I am using stumpwm built with threaded clisp-2.49.  There is a user  
> > defined
> > #'sh function as below:
> > (defun sh (cmd)
> >     (let ((str (ext:run-shell-command cmd :output :stream)))
> >         (loop for line = (read-line str nil)
> >             until (null line)
> >             do (print line))))
> >
> > When run (sh "ping 192.168.1.1"),  The stumpwm will not do anything.  I  
> > know
> > `ping 192.168.1.1` will not terminate unless user break it.
> >
> > What is an elegant way to handle such a problem ?
>
> As far as I know ping never quits. It just pings endlessly. So you've
> written a function that reads ping's output line by line until it
> quits, which it will never do. What do you want to have happen?
>
> -Shawn


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