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From: skaller <skaller@users.sourceforge.net>
To: janne@hybrid.fi
Cc: caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] Unix module and threads
Date: 06 Sep 2004 01:27:02 +1000	[thread overview]
Message-ID: <1094398021.3352.655.camel@pelican.wigram> (raw)
In-Reply-To: <413B1A52.8060007@hybrid.fi>

On Sun, 2004-09-05 at 23:53, Janne Hellsten wrote:
> Thank you Markus and David, this is sort of what I was afraid of (e.g., 
> curdir is shared among threads). Thank you for clarifying this.
> 
> As my build scripts require the working directory to be set, I think I 
> have to work-around this and do something along the lines of:
> 
>     Unix.system "cd my_working_dir && build_cmd"
> 
> I wonder if there's some other way of doing this portably and in a 
> thread-safe fashion?

You could do this:

(1) use a mutex to freeze the current directory
(2) launch a new process (and return without waiting)
(3) release he mutex
(4) wait for the process

-- 
John Skaller, mailto:skaller@users.sf.net
voice: 061-2-9660-0850, 
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language http://felix.sf.net



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  reply	other threads:[~2004-09-05 15:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-05  8:00 Janne Hellsten
2004-09-05 13:32 ` David Brown
2004-09-05 13:42 ` Markus Mottl
2004-09-05 13:53   ` Janne Hellsten
2004-09-05 15:27     ` skaller [this message]
2004-09-06  9:07     ` Keith Wansbrough
2004-09-05 13:57   ` Daniel Andor
2004-09-05 15:12   ` skaller

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