[Yum] Re: Horrible response to keyboardInterrupt

[CAI Qian]

Hi,

--- MHR <mhullrich at gmail.com> wrote:

> On Sat, Sep 13, 2008 at 1:05 AM, CAI Qian <caiqian at cclom.cn> wrote:
> > Hi,
> >
> > If yum provides the feature to abandon an operation, users expect
> to
> > use it, report related bugs, and someone eventually could fix those
> > bugs. It is also a feature which exists in some other package
> tools.
> > Otherwise, the document shall be added this information, says "The
> > program will not response to CTRL-C. Please use kill(1) to
> terminate
> > the program".
> >
> 
> ^C is not a yum "feature," it is a "feature" of the shell and the
> kernel.  There is no guarantee that I have ever seen that says "This
> will always work to stop a runaway a program."  What it does is "This
> will always send a SIGINT to the running program."  There are lots
> (hundreds? thousands? more?) of programs out there that trap SIGINTs
> and do whatever they like with them, without any documentation at
> all.
> 

It is a feature that yum provides users to skip mirrors by hit CTRL-C
once, and exit the program by hit CTRL-C twice. It is also a convention
to exit command-line programs by hit CTRL-C from the usability point of
view. Just like users expect to close a GUI window by click the cross
button.

Cai Qian

> Also, be careful of your use of English words.  "Shall" is an
> imperative (command), not a request.  Requests are not "shalls."
> 
> Bottom line, like it or not, is if you use a free tool and don't like
> it, don't use it.  If you want to make requests for feature changes,
> enhancements or to report bugs, do so politely using the right
> mechanisms, which explicitly exclude jumping onto mailing lists about
> the product and making demands.
> 
> Maybe that wasn't what you had in mind, but your choice of words made
> it seem so.  Remember, we can't hear you, so any tone in your words
> is
> lost in print (or bits).
> 
> HTH
> 
> mhr
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