Date: Wed, 24 Jan 2001 09:36:55 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/linux linux_machdep.c linux_sysvec.c Message-ID: <20010124093655.W26076@fw.wintelcom.net> In-Reply-To: <200101241026.f0OAQD707387@freefall.freebsd.org>; from jhb@FreeBSD.org on Wed, Jan 24, 2001 at 02:26:13AM -0800 References: <200101241026.f0OAQD707387@freefall.freebsd.org>
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* John Baldwin <jhb@FreeBSD.org> [010124 02:28] wrote:
> jhb 2001/01/24 02:26:13 PST
>
> Modified files:
> sys/alpha/linux linux_machdep.c linux_sysvec.c
> Log:
> Proc locking.
This looks like another natural race condition:
int p_sigparent; /* (c) Signal to parent on exit. */
Can't int assignments be assumed to be atomic?
+ PROC_LOCK(p);
p2->p_sigparent = exit_signal;
+ PROC_UNLOCK(p);
--
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."
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