[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-bash] run-parts, trap INT, read error
|
From: |
Chet Ramey |
|
Subject: |
Re: [Help-bash] run-parts, trap INT, read error |
|
Date: |
Wed, 25 Mar 2015 10:14:46 -0400 |
|
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 3/24/15 8:09 PM, Eduardo A. Bustamante López wrote:
>> $ ./test.d/child: line 7: read: read error: 0: Input/output error
>> ++ true 'answer: '
>> + true END
>
>> Where is the read error coming from?
> Well, the message is pretty clear, the error is in the 'read', in child.
In general, this happens because the process group is orphaned or because
the child is run without a controlling terminal. If I had to guess, I'd
say run-parts is exiting due to the SIGINT, orphaning the process group
and causing subsequent reads to return -1/EIO.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/