svn commit: r211982 - head/sbin/hastd

[David Xu]

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