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Re: [gpsd-dev] Time Service HOWTO in nearly final form; please review
From: |
Eric S. Raymond |
Subject: |
Re: [gpsd-dev] Time Service HOWTO in nearly final form; please review |
Date: |
Sat, 26 Oct 2013 08:23:54 -0400 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Beat Bolli <address@hidden>:
> The section that explains the differences between root vs. non-root
> operation and devices on the command line vs. hotplug needs to be
> adjusted now that the root privileges are dropped after setting up the
> SHM segments and raising the PPS thread priority (commit
> 247c5825172137f337a79a1ff2f73b4af2899f66).
I'm not seeing how, sorry. Gary moved the thread interlock to avoid a
race condition, and this does mean time_pps_create() will always be
called with root permissions. But it appears to me that this just
removes a bug that prevented the code from behaving as documented.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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