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From: Richard Jones <rich@annexia.org>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] c-interface question...
Date: Fri, 19 Sep 2003 15:44:08 +0100	[thread overview]
Message-ID: <20030919144408.GA4205@redhat.com> (raw)
In-Reply-To: <20030918181215.GA8189@davidb.org>

On Thu, Sep 18, 2003 at 11:12:15AM -0700, David Brown wrote:
> An added "optimization" is that if an argument is only used before the
> first allocation you call, it also doesn't need to be declared.
> 
> It helps to think about what is happening here.  Things that allocate
> memory may trigger a garbage collection.  If you have arguments or
> variables that might be affected by the garbage collector, you need to
> tell the gc about them.  That is what CAMLparamx and CAMLlocal do.

Interesting ... so the garbage collector can never run asynchronously?
That should simplify my code ...

Rich.

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      reply	other threads:[~2003-09-19 14:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-18  8:31 Michael Wohlwend
2003-09-18 12:08 ` David Baelde
2003-09-18 18:12 ` David Brown
2003-09-19 14:44   ` Richard Jones [this message]

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