From: Daniel Berger <djberg96@...>
Date: 2007-08-29T16:58:36+09:00
Subject: Re: SignalException.signo.nil?

Nobuyoshi Nakada wrote:
> Hi,
> 
> At Tue, 28 Aug 2007 07:21:29 +0900,
> Bertram Scharpf wrote in [ruby-core:12014]:
>> I guess there are still better ways to implement it because
>> now the following works:
>>
>>   irb(main):004:0> s.instance_eval "@signo = /.*/"
>>
>> Should I supply a more sophisticated patch?
> 
> Like this?
> 
> 
> Index: signal.c
> ===================================================================
> --- signal.c	(revision 13258)
> +++ signal.c	(working copy)
> @@ -265,4 +265,11 @@ esignal_init(argc, argv, self)
>  
>  static VALUE
> +esignal_signo(self)
> +    VALUE self;
> +{
> +    return rb_iv_get(self, "signo");
> +}
> +
> +static VALUE
>  interrupt_init(argc, argv, self)
>       int argc;
> @@ -1073,5 +1080,5 @@ Init_signal()
>  
>      rb_define_method(rb_eSignal, "initialize", esignal_init, -1);
> -    rb_attr(rb_eSignal, rb_intern("signo"), 1, 0, 0);
> +    rb_define_method(rb_eSignal, "signo", esignal_signo, 0);
>      rb_alias(rb_eSignal, rb_intern("signm"), rb_intern("message"));
>      rb_define_method(rb_eInterrupt, "initialize", interrupt_init, -1);
> 
> 

See this bug report:

http://rubyforge.org/tracker/index.php?func=detail&aid=11795&group_id=426&atid=1698

In addition to Bertram's patch (which is the same as I reported), you'll 
need to patch eval.c.

Regards,

Dan