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From: Dan Cross <crossd@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] new usb stack and implicit timeouts
Date: Mon, 20 Jul 2009 15:51:06 -0400	[thread overview]
Message-ID: <aa7e41150907201251u10df3548q569b179d7b6f684@mail.gmail.com> (raw)
In-Reply-To: <alpine.BSF.2.00.0907201209010.25656@legolas.orthanc.ca>

fd = open("/some/ctl", OWRITE);
write(fd, "timeout LONG_ENOUGH", length);
close(fd);

On Mon, Jul 20, 2009 at 2:10 PM, Lyndon Nerenberg<lyndon@orthanc.ca> wrote:
>> I am unsure I would remove timeouts even from bulk endpoints.
>> It is true that some devices (the usb/serial for example) need to
>> read for an undefined time waiting for data, but I don't think that is
>> an issue as long
>> as the timeouts are long enough,
>
> Please show us the algorithm that *correctly* determines 'long enough' for
> every application talking to the devices.
>
>



  reply	other threads:[~2009-07-20 19:51 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-19  7:16 cinap_lenrek
2009-07-19  7:21 ` Bruce Ellis
2009-07-19  7:54   ` cinap_lenrek
2009-07-19  9:07     ` Francisco J Ballesteros
2009-07-19 11:05       ` Richard Miller
2009-07-19 11:30         ` Francisco J Ballesteros
2009-07-19 11:51           ` Richard Miller
2009-07-19 11:56             ` Francisco J Ballesteros
2009-07-19 13:40             ` erik quanstrom
2009-07-19 13:53               ` erik quanstrom
2009-07-19 14:03               ` Richard Miller
2009-07-19 14:32                 ` erik quanstrom
2009-07-19 15:14                   ` Francisco J Ballesteros
2009-07-19 15:46                     ` cinap_lenrek
2009-07-19 15:58                       ` Francisco J Ballesteros
2009-07-20  7:12                         ` Gorka Guardiola
2009-07-20 15:07                           ` Dan Cross
2009-07-20 16:25                             ` Francisco J Ballesteros
2009-07-20 18:10                           ` Lyndon Nerenberg
2009-07-20 19:51                             ` Dan Cross [this message]
2009-07-21  8:51                               ` Francisco J Ballesteros
2009-07-19 15:36                   ` Richard Miller
2009-07-19 11:41       ` Charles Forsyth

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