Date: Tue, 31 Aug 2010 10:23:04 +0000 From: David Xu <davidxu@freebsd.org> To: Pawel Jakub Dawidek <pjd@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r211982 - head/sbin/hastd Message-ID: <4C7CD808.3060903@freebsd.org> In-Reply-To: <201008300006.o7U065Nu078151@svn.freebsd.org> References: <201008300006.o7U065Nu078151@svn.freebsd.org>
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Pawel Jakub Dawidek wrote: > Author: pjd > Date: Mon Aug 30 00:06:05 2010 > New Revision: 211982 > URL: http://svn.freebsd.org/changeset/base/211982 > > Log: > Use sigtimedwait(2) for signals handling in primary process. > This fixes various races and eliminates use of pthread* API in signal handler. > > Pointed out by: kib > With help from: jilles > MFC after: 2 weeks > Obtained from: Wheel Systems Sp. z o.o. http://www.wheelsystems.com > > Modified: > head/sbin/hastd/primary.c > Note that if you are sigwaiting signals, these signals should be masked, otherwise, there is a race condition. I have not read the code, maybe this is not a problem. Regards, David Xu
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