From: Nikolai Lugovoi <nlugovoi@...>
Date: 2009-10-22T22:01:16+09:00
Subject: Re: Creating and raising custom exception in Ruby C extension

On Thu, Oct 22, 2009 at 3:55 PM, Iñaki Baz Castillo <ibc@aliax.net> wrote:
>        VALUE class_standard_error = rb_const_get(rb_cObject, rb_intern("StandardError"));
>        VALUE argv[0];
>        VALUE new_error = rb_class_new_instance(0, argv, class_standard_error);
>        rb_raise(new_error, "Oh an error ocurred !!!");
>

why not simple:

VALUE custom_error = rb_define_class("CustomError", rb_eStandardError);
rb_raise(custom_error, "An error occured!");