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Re: [Bug-readline] terminal corruption with spawned ruby processes
From: |
Chet Ramey |
Subject: |
Re: [Bug-readline] terminal corruption with spawned ruby processes |
Date: |
Tue, 11 Apr 2017 21:43:00 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.0 |
On 4/11/17 5:22 PM, Eric Thompson wrote:
> Hi all,
> I ran into a possible problem in readline developing a library for Rake
> to aid in managing and launching processes.
>
> basically, if you use (ruby) Process.spawn or other ways to launch a
> subprocess that don't detach and that process inherits the stdin default
> pipe of the parent, the terminal input gets corrupted before hitting the
> child process (if that child is using readline).
All indications are that you have multiple processes simultaneously
attempting to read from stdin.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/