From: Andrew Lee <fiacre.patrick@...>
Date: 2008-10-14T07:22:08+09:00
Subject: Re: Unable to trap C-z, C-y, C-s and C-q

Nit Khair wrote:
> Nit Khair wrote:
>> I need to trap ^Y, ^Z, ^S, ^Q etc in my app. Have googled a lot but
>> unable to find anything.
>>
> 
> I finally found a workaround.
> On unix prompt did:
> 
> stty dsusp undef
> stty susp undef
> 
> Now my program catches c-y and c-z. However, is there are pure ruby way 
> of doing this. googling reveals examples where "system stty ..." is 
> being used.


You can't catch SIGKILL or SIGSTOP ... has nothing to do with Ruby.