From owner-freebsd-current  Fri Apr  3 12:24:09 1998
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cc: "Alok K. Dhir" <adhir@worldbank.org>, ache@nagual.pp.ru,
        Alok_K._Dhir/Person/World_Bank@notes.worldbank.org,
        current@FreeBSD.ORG, adkin003@tc.umn.edu
Subject: Re: Working patch *with* splhigh() (Was Re: More info RE: X slowdown in -current) 
In-reply-to: Your message of "Fri, 03 Apr 1998 22:15:37 +0200."
             <3445.891634537@critter.freebsd.dk> 
Date: Fri, 03 Apr 1998 22:21:11 +0200
Message-ID: <3490.891634871@critter.freebsd.dk>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
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In message <3445.891634537@critter.freebsd.dk>, Poul-Henning Kamp writes:

And here is another one to try:  Move the splhigh two lines up:

        ncoll = nselcoll;
        p->p_flag |= P_SELECT;
        error = selscan(p, ibits, obits, uap->nd); 
>>>>    s = splhigh();
>>>>    if (error || p->p_retval[0]) {
>>>>        splx(s);
>>>>        goto done;
>>>>	}
        if (term && term <= ticks) {
                splx(s);
                goto done;
        }
        timo = term ? term - ticks : 0;
        if ((p->p_flag & P_SELECT) == 0 || nselcoll != ncoll) {
                splx(s);


--
Poul-Henning Kamp             FreeBSD coreteam member
phk@FreeBSD.ORG               "Real hackers run -current on their laptop."
"Drink MONO-tonic, it goes down but it will NEVER come back up!"

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