Re: Bad file descriptor with coproc and pipe

[Chet Ramey]

On 2/5/14 4:37 PM, Michal Sojka wrote:

>> Bash closes file descriptors associated with coprocs in child processes,
>> since they are pipes.  It's even more careful when those child processes
>> are part of pipelines.  It's really a bad idea to have pipe file
>> descriptors open in multiple processes; that prevents SIGPIPE generation
>> and EOF on read when one writer exits.
> 
> Thanks for the explanation. Then the bug is that it is not documented:
> https://www.gnu.org/software/bash/manual/bashref.html#Coprocesses

Thanks; this is already in the bash-4.3 version of the manual(s).

Chet
-- 
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Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/