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Re: inotify, etc

From: Branko Čibej <brane_at_xbc.nu>
Date: Tue, 28 Oct 2008 12:02:46 +0100

David Glasser wrote:
> 2008/10/27 Justin Erenkrantz <justin_at_erenkrantz.com>:
>
>> On Mon, Oct 27, 2008 at 4:44 PM, Branko Čibej <brane_at_xbc.nu> wrote:
>>
>>>> I don't believe that FSEvents on Mac OS X 10.5 needs a daemon.
>>>>
>>>>
>>> It needs *something* to update the WC metadata. Call it daemon or
>>> callback or trigger, same difference.
>>>
>> AIUI, FSEvents is 'loggy' in that an app can request what has changed
>> and, blammo, it gets all of the FS changes since its last request.
>> Very nifty stuff and no daemon required... -- justin
>>
>
> Yeah. Basically, there is a kernel service that you can run
> user-level daemons against to get fine-grained information just like
> with inotify... *but* also the OS runs its own daemon that it does a
> good job of keeping alive which writes summaries of the information
> (basically, "which directories changed") to a log file and provides an
> API to let applications get the summary information without having
> their own daemon.
>

Ooh, that is indeed most sexy. I wish other OSen catered to poor
programmers in the same way.

-- Brane

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Received on 2008-10-28 12:03:04 CET

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