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From: Bruce Dubbs <bruce.dubbs@gmail.com>
To: Jakob Unterwurzacher <jakobunt@gmail.com>, util-linux-ng@vger.kernel.org
Subject: Re: more(1) may attempt to tcsetattr(3) despite lacking controlling terminal
Date: Thu, 13 Oct 2016 15:52:33 -0500	[thread overview]
Message-ID: <57FFF411.10800@gmail.com> (raw)
In-Reply-To: <56b4e9fb-a01d-3578-b739-66b7b933a8c5@gmail.com>

Jakob Unterwurzacher wrote:
> On 13.10.2016 21:14, Bruce Dubbs wrote:
>>>
>>> The following example illustrates the issue:
>>>
>>> $ /bin/sh -c "timeout 60 /bin/sh -c \"ls | more\""
>>>
>>> This command will now hang until the timeout, since the shell, ls(1) and
>>> more(1) commands invoked by timeout(1) will be suspended.
>>
>> It does not hang for me, but then I don't use systemd.  Perhaps systemd should
>> be fixed.
>
> Does not hang for me either on Fedora 24, and I am using systemd, but how is
> this related to the init system

If systemd was only an init system, I wouldn't object.  It has subsumed 
much more than initialization, e.g udev, dhcp client, managing cgroups, 
'seat management', etc.  My initial reaction to the original problem is 
that it is cgroups related.

   -- Bruce



  reply	other threads:[~2016-10-13 20:52 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-13 14:39 more(1) may attempt to tcsetattr(3) despite lacking controlling terminal Jan Schaumann
2016-10-13 19:14 ` Bruce Dubbs
2016-10-13 20:18   ` Jakob Unterwurzacher
2016-10-13 20:52     ` Bruce Dubbs [this message]
2016-10-19  9:53       ` Karel Zak
2016-10-19 10:09 ` Karel Zak
2016-10-20 14:56   ` Sami Kerola

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