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From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] ainc() 386/amd64 differences
Date: Wed, 14 May 2014 17:26:36 -0400	[thread overview]
Message-ID: <69df9a1401f0f33ca80a73b221d7758d@ladd.quanstro.net> (raw)
In-Reply-To: <CAOw7k5jUAoMvn1eXYB2iC2EBn_tEHLdGpnuQ5EDc=OAZaGCcFg@mail.gmail.com>

> int
> incref(Ref *r)
> {
> int x;
>
> x = ainc(&r->ref);
> if(x <= 0)
> panic("incref pc=%#p", getcallerpc(&r));
> return x;
> }

ah, yes.  i'd not remembered this nice implementation.

then your ainc is guard-free?  and your Ref is struct Ref {int ref;}?
also, did you decide that any reuse of the ref lock is already buggy and needs
no further review?  that's the bit i got bogged down on.

- erik



  reply	other threads:[~2014-05-14 21:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-14 20:34 erik quanstrom
2014-05-14 20:57 ` Charles Forsyth
2014-05-14 21:26   ` erik quanstrom [this message]
2014-05-14 21:46     ` erik quanstrom

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