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Re: [gpsd-dev] Updated docs on NTP segment management

From: Gary E. Miller
Subject: Re: [gpsd-dev] Updated docs on NTP segment management
Date: Thu, 19 Feb 2015 21:58:35 -0800

Yo Eric!

On Thu, 19 Feb 2015 22:41:24 -0500
"Eric S. Raymond" <address@hidden> wrote:

> Gary E. Miller <address@hidden>:
> > > If read/write access is a concern it's probaby time to look beyond
> > > shared segments with roll-your-own locking to something like POSIX
> > > message queues.
> > 
> > How would you handle the one-to-many thing with MQ's?
> > 
> > I'm thinking something slightly simpler like POSIX named shared
> > memory segments quarded by POSIX mutexes.  Is there any OS that
> > does not support that?
> Probably not. I'll keep thinking about the problem.

Just remember, this has to support Windows, OS X, Solaris, ARM, Sparc,
x86, etc.

Nothing will be more common than POSIX, and even that will bring surprises.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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