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Re: Bash: sleep execution issue with bash loadable builtins


From: Chet Ramey
Subject: Re: Bash: sleep execution issue with bash loadable builtins
Date: Tue, 28 Nov 2017 09:41:03 -0800
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 11/27/17 2:47 PM, Ángel wrote:

> Also there's the issue that select() _may_ modify the object pointed to
> by the timeout argument [POSIX]. But it may not, in which case this
> would end up oversleeping.
> 
> On such system, doing eg.
>  sleep 9 & time sleep 10
> 
> would end up sleeping 19 seconds.     

I can't see how, since the two sleeps would be performed by different
processes, using two separately-initialized select calls.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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