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Re: Bash: sleep execution issue with bash loadable builtins
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From: |
Chet Ramey |
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Subject: |
Re: Bash: sleep execution issue with bash loadable builtins |
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Date: |
Tue, 28 Nov 2017 09:45:29 -0800 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 11/28/17 9:41 AM, Chet Ramey wrote:
> 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.
Forget this, I see it.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/