From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] ainc() 386/amd64 differences
Date: Wed, 14 May 2014 21:57:54 +0100 [thread overview]
Message-ID: <CAOw7k5jUAoMvn1eXYB2iC2EBn_tEHLdGpnuQ5EDc=OAZaGCcFg@mail.gmail.com> (raw)
In-Reply-To: <ffbe73aa19ef921d30a236b5a3919060@ladd.quanstro.net>
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% cat ../port/ref.c
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
int
incref(Ref *r)
{
int x;
x = ainc(&r->ref);
if(x <= 0)
panic("incref pc=%#p", getcallerpc(&r));
return x;
}
int
decref(Ref *r)
{
int x;
x = adec(&r->ref);
if(x < 0)
panic("decref pc=%#p", getcallerpc(&r));
return x;
}
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next prev parent reply other threads:[~2014-05-14 20:57 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 [this message]
2014-05-14 21:26 ` erik quanstrom
2014-05-14 21:46 ` erik quanstrom
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