svn commit: r211982 - head/sbin/hastd

[Kostik Belousov]

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
> 
> Log:
>   Use sigtimedwait(2) for signals handling in primary process.
>   This fixes various races and eliminates use of pthread* API in signal handler.

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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