On 10/22/2014 03:33 AM, Dejan Muhamedagic wrote:
> Hi Alan,
>
> On Mon, Oct 20, 2014 at 02:52:13PM -0600, Alan Robertson wrote:
>> For the Assimilation code I use the full pathname of the binary from
>> /proc to tell if it's "one of mine". That's not perfect if you're using
>> an interpreted language. It works quite well for compiled languages.
> Yes, though not perfect, that may be good enough. I supposed that
> the probability that the very same program gets the same recycled
> pid is rather low. (Or is it?)
>From my 'C' code I could touch the lock file to match the timestamp of
the /proc/pid/stat (or /proc/pid/exe) symlink -- and verify that they
match. If there is no /proc/pid/stat, then you won't get that extra
safeguard. But as you suggest, it decreases the probability by orders
of magnitude even without the
The /proc/pid/exe symlink appears to have the same timestamp as
/proc/pid/stat
Does anyone know which OSes have either or both of those /proc names?
-- AlanRobertson
al...@unix.sh
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