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Re: Flushing all Buffers Before Exiting



On Sunday 24 March 2019 14:25:47 Martin McCormick wrote:

> David Wright <deblis@lionunicorn.co.uk> writes:
> > On Sat 23 Mar 2019 at 18:23:47 (+0100), tomas@tuxteam.de wrote:
> > > On Sat, Mar 23, 2019 at 10:27:01AM -0500, David Wright wrote:
> > > > On Fri 22 Mar 2019 at 17:45:50 (+0100), tomas@tuxteam.de wrote:
> > > >
> > > > Reading the OP's problem, I wonder how you're meant to detect
> > > > "any whiff of a problem" [...]
> > >
> > > Torture tests.
> >
> > Like, multiply the number of sources by stealing a few more radio
> > scanners to connect up, which then all burst into life as the
> > police scour the neighbourhood for thieves?
> >
> > When dealing with realtime real information coming in, over which
> > you have no control, it can be non-trivial to set up such scenarios.
> > That's why I thought it best to devise a method that's more
> > efficient than line buffering. After all, that's why buffering was
> > invented, wasn't it.
>
> 	Apparently, the flush after each new cycle of data isn't
> taxing the system too much as the output looks correct.  This is
> a 600 MHZ Pentium which would have gone in to the recycle bin
> years ago if not for Linux.  Older systems like this tend to
> accentuate the effects of not being able to keep up much more
> obviously than if this was a quad-core 64-bit modern design.
>
> 	The best test I can do is to look at the output which is
> quite repetitive as it is designed to allow radios to almost
> immediately figure out what frequency and "talk group" they
> should be on even if their owner turns on the radio in the middle
> of a conversation.  Subsequent lines all look the same so if one
> is missing part of the data, it looks wrong especially if you
> have watched enough of this gibberish to damage one's brain to
> the point where it starts making sense.
>
> 	Martin

Martin; Its one of the famous Murphy's Laws, the instant it makes sense, 
thats a security breech so it gets changed again just as soon as they 
can come up with a confusing enough to the frogs excuse. :(


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>


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