From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Storage management
Date: Fri, 7 Nov 2008 15:41:39 +0100
Date: 2008-11-07T15:41:39+01:00 [thread overview]
Message-ID: <6unf81suhbzk$.7nbu89dhbtqp.dlg@40tude.net> (raw)
In-Reply-To: 4914426e$0$30221$9b4e6d93@newsspool1.arcor-online.net
On Fri, 07 Nov 2008 14:28:14 +0100, Georg Bauhaus wrote:
> Dmitry A. Kazakov schrieb:
>
>> There is no way Ada could abort I/O if the OS does not allow this. Second
>> to Get_Line, or likely the first wanted case is canceling blocking socket
>> read. I would give 98% that it never will work with ATC.
>
> OK, yet, does there have to be an operating system
> that dictates how the Ada runtime does or does not
> abort I/O? :-)
Yes, an OO OS.
If there were no I/O, but blocking entry calls, they would be trivially
cancelable in a timed entry call.
In the milliseconds area an I/O is not cancelable not because of physical
reasons, like when the disk controller is busy positioning the heads. These
take microseconds.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2008-11-07 14:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-01 11:13 Storage management Florian Weimer
2008-11-01 22:28 ` Robert A Duff
2008-11-02 14:27 ` Florian Weimer
2008-11-07 1:14 ` Randy Brukardt
2008-11-07 8:30 ` Dmitry A. Kazakov
2008-11-07 9:54 ` Niklas Holsti
2008-11-07 9:20 ` Dmitry A. Kazakov
2008-11-07 12:12 ` Niklas Holsti
2008-11-07 13:22 ` Dmitry A. Kazakov
2008-11-07 13:28 ` Georg Bauhaus
2008-11-07 14:41 ` Dmitry A. Kazakov [this message]
2008-11-10 14:28 ` christoph.grein
2008-11-10 16:08 ` Dmitry A. Kazakov
2008-11-08 11:04 ` sjw
2008-11-08 12:33 ` Dmitry A. Kazakov
2008-11-10 9:34 ` sjw
2008-11-01 22:36 ` sjw
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