kern/170203: [kern] piped dd' s don' t behave sanely
when dealing with a fifo
David Xu
listlog2011 at gmail.com
Sun Jul 29 00:24:48 UTC 2012
On 2012/7/28 5:50, Garrett Cooper wrote:
> The following reply was made to PR kern/170203; it has been noted by GNATS.
>
> From: Garrett Cooper <yanegomi at gmail.com>
> To: bug-followup at FreeBSD.org, yanegomi at gmail.com
> Cc:
> Subject: Re: kern/170203: [kern] piped dd's don't behave sanely when
> dealing with a fifo
> Date: Fri, 27 Jul 2012 14:47:47 -0700
>
> Hi David!
> I'll give the patches you provided a shot this weekend.
> Thanks!
> -Garrett
>
FIFO pipe is quite broken! Beside the bug you have reported, there is
another bug,
when a writer closed the pipe, select() on reader side will never return !
I am curious that so long time, nobody found the bugs, does it because FIFO
is seldom used by people ?
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