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Re: [PATCH] sleep: support subtraction of sleep amounts
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From: |
Eric Blake |
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Subject: |
Re: [PATCH] sleep: support subtraction of sleep amounts |
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Date: |
Tue, 29 Jul 2014 17:01:23 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 07/29/2014 04:49 PM, Bernhard Voelker wrote:
> With the attached, sleep supports the subtraction of amounts, e.g.
>
> $ sleep -- 1d -10m
>
> as discussed in http://bugs.gnu.org/7877#67.
>
> Please keep a special eye on the new test during the review:
> it might be racy, but at least it's a start for discussion.
You may want to improve this usage:
$ src/sleep -- -inf inf
src/sleep: cannot read realtime clock: Invalid argument
to give a nicer message.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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