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Date:      Mon, 30 Aug 2010 10:59:45 +0300
From:      Kostik Belousov <kostikbel@gmail.com>
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:  <20100830075945.GS2396@deviant.kiev.zoral.com.ua>
In-Reply-To: <201008300006.o7U065Nu078151@svn.freebsd.org>
References:  <201008300006.o7U065Nu078151@svn.freebsd.org>

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On Mon, Aug 30, 2010 at 12:06:05AM +0000, 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
>=20
> Log:
>   Use sigtimedwait(2) for signals handling in primary process.
>   This fixes various races and eliminates use of pthread* API in signal h=
andler.

Replying to the random commit.

In the multithreaded process, after the fork in the child, you shall
not call any not async-signal safe functions. I suppose that hook_execv()
exposes the issue, calling into some stdio functions and sysconf().

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