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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