From: Jeremy Henty <jeremy@...>
Date: 2002-12-16T17:40:53+09:00
Subject: Re: Ruby BUG when using PStore and fork

In article <87vg1wxu1x.fsf@squeaker.lickey.com>, Matt Armstrong wrote:

> After experimenting, there is a way to close the PStore file in the
> child process in ruby 1.7.
> 
> This program demonstrates it.  In a PStore transaction, it forks a
> child that just loops 5 times printing a message, sleeping between.
> Without the call to close_extra_files, the child blocks the parent's
> 2nd attempt to start a transaction.  With the call, it ends up closing
> the PStore file it inherits from its parent and allows the parent to
> open the PStore file again.

Aha!  Presumably because (according to the close() man page) closing
the file descriptor releases any locks on the file.  Maybe PStore
could do with a new method that closes its file?

Regards,

Jeremy Henty