From: KOSAKI Motohiro <kosaki.motohiro@...>
Date: 2011-09-27T10:28:53+09:00
Subject: [ruby-core:39738] Re: [Ruby 1.9 - Feature #5371][Open] add marshalling support for Mutex

> Hello,
>
> Please add marshalling support for the Mutex class:
>
> $ irb
>>> Marshal.dump(Mutex.new)
> TypeError: no marshal_dump is defined for class Mutex
> � � � �from (irb):1:in `dump'
> � � � �from (irb):1
> � � � �from /usr/bin/irb:12:in `<main>'

Because of, Almost all OSs don't have a way to restore mutex locking state.
I have no idea how implement it. ;-)


> Here is the workaround I am currently using:
>
> class Mutex
> �def marshal_dump
> � �[]
> �end
> �def marshal_load array
> � �# do nothing
> �end
> end
>
> Thanks for your consideration.

Hmmm??
It seems locking state lost. Is this acceptable?