From: Yukihiro Matsumoto <matz@...>
Date: 2008-03-31T15:29:05+09:00
Subject: Re: mark, alloc and free functions in C extensions

Hi,

In message "Re: mark, alloc and free functions in C extensions"
    on Sun, 30 Mar 2008 20:12:38 +0900, "=?ISO-8859-1?Q?Gerardo_Santana_G=F3mez_Garrido?=" <gerardo.santana@gmail.com> writes:

|I have a class A written in C that contains a C structure. I have
|defined the functions mark, alloc and free.
|
|I have another class B, written in C, that derives from class A and
|adds another piece of C data.
|
|Should the class B define mark, alloc and free functions for both,
|class A and class B, C structures?
|
|Or sould the class B care for its own C structure only? Will Ruby's
|marking, allocation and liberation mechanism call their respective
|functions?

It's hard to say for sure without seeing your code, but basically your
functions for class B should handle whole body of C structure (both A
and B).

							matz.