From: Suraj Kurapati <redmine@...>
Date: 2009-11-19T04:30:49+09:00
Subject: [ruby-core:26816] [Feature #2294] [PATCH] ruby_bind_stack() to embed Ruby in coroutine

Issue #2294 has been updated by Suraj Kurapati.


Hi,

Nobu Nakada wrote:
> Switching stack using setcontext() can't work on all platforms.
> For instance, on NetBSD and older LinuxThread stack address is
> tightly bound to thread, and can't be changed.  That is, your
> strategy is not portable.

You are referring only to my System V context example, right?  If so,
please note that I also provided a second example that uses libpcl[1]
which "can use either the ucontext.h functionalities... or the standard
longjmp()/setjmp()" and "is easily portable on almost every Unix system
and on Windows" [1].

I will create a thrid example that uses libpthread to demonstrate
how this patch lets you embed Ruby 1.9 inside a pthread.  (Note that this
patch has already allowed Mr. Roman to embed Ruby 1.9 inside a pthread.)

> Why don't you simply use a thread instead?

Do you mean embedding Ruby inside a pthread?

Thanks for your consideration.

[1]: http://www.xmailserver.org/libpcl.html
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