Re: so-called pipe files (sh-np-*) do not get deleted when processes close.

[Chet Ramey]

On 3/11/21 11:28 AM, Michael Felt wrote:
> Hi,
>
> Issue: AdoptOpenJDK build process makes bash calls in a particular way. An 
> abbreviated (shorter pathnames) example is:
>
> ```
> bash-5.0$ /usr/bin/printf "Building targets 'product-images 
> legacy-jre-image test-image' in configuration 
> 'aix-ppc64-normal-server-release'\n" > >(/usr/bin/tee -a 
> /home/aixtools/build.log) 2> >(/usr/bin/tee -a /home/aixtools/build.log >&2)
> Building targets 'product-images legacy-jre-image test-image' in 
> configuration 'aix-ppc64-normal-server-release'

I believe this is fixed in bash-5.1.


> I added some debug statements to try and catch what is not happening. It 
> seems that the fifo_list[i].proc value is never being set to (pid_t)-1 so 
> any call to `unlink_fifo()` or `unlink_fifo_list()` does not unlink the 
> special file created.

Probably because the process substitution does not exit before the shell does.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/