Date: Mon, 4 Jan 2016 08:21:58 -0800 From: Adrian Chadd <adrian@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r293022 - head/sys/net80211 Message-ID: <CAJ-VmokVNzqvsvYUZKgAZPs6wgdLoWgFwixnafRc9WP_wqj0Bg@mail.gmail.com> In-Reply-To: <2558363.cYPdmfTgJ4@ralph.baldwin.cx> References: <201601010021.u010L7sW006625@repo.freebsd.org> <5919271.R3YaC4QkYh@ralph.baldwin.cx> <CAJ-VmokF3EW9QDmScGFhRWjQ3a8Z4QF0YQyragPHUs48zb6DHg@mail.gmail.com> <2558363.cYPdmfTgJ4@ralph.baldwin.cx>
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On 4 January 2016 at 07:47, John Baldwin <jhb@freebsd.org> wrote:
> On Friday, January 01, 2016 07:41:42 PM Adrian Chadd wrote:
>> yup. all of this is ... terrible atm.
>>
>> I do need to be able to give a bounds though. :(
>
> The _sbt variants let you specify a bounds for the "fuzzy". You
> give the deadline time as one value ('sbt') and an upper bound on
> how long to delay extra as the second ('pr'). The wait will
> timeout sometime between 'sbt' and 'sbt + pr'.
>
> Alternatively, you can leave 'pr' as 0 and encode the precision
> via the C_PREL() flags instead as described in callout(9). (I
> think how to use sbintime_t should probably be broken out into
> a separate sbintime(9) manpage that callout(9) and other consumers
> reference rather than being buried in callout(9) to make it easier
> to figure out how to use these. The same manpage can also talk
> about the SBT_* constants and how to generate sbintime_t values
> from known reference times.)
I dug into it a few months ago and found it was .. not quite as bounded fuzzy :(
-a
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