Re: Fwd: bug? Spawned childs always remain in zombie state

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxxx>]

On Sun, Jan 20, 2013 at 12:04:04PM +0000, Sjon Hortensius wrote:
> Hi. I'm trying to create a script which monitors a directory using
> inotify and spawns a background process for all events. However I
> found that all childs will remain in zombie state until the script
> quits and I am unable to find a proper fix.
> 
> A minimal testcase:
> 
> #!/bin/dash
> while true
> do
>     sleep 1 &
> #    jobs >/dev/null
> done
> 
> If you open a second terminal you'll see that all the 'sleep'
> processes end up being defunct. I have tried playing with `set -ma`
> but the only workaround I found is the commented 'jobs' line.
> Uncommenting that line will result in expected behavior where childs
> are properly reaped. Is this a bug, or is there an alternative
> solution I'm missing?

You need to wait on them as otherwise dash has to keep them around
in case you call wait(1) later on.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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