Re: Commands run from functions don't exit cleanly on terminal close (SIGHUP)?

[Alan Pinstein <apinstein@me.com>]

I didn't even think about it being platform dependent. I am on Mac OS 10.7.5. I will try to test on a centos box today. 

Alan

On Oct 25, 2012, at 6:22 AM, Peter Stephenson <p.w.stephenson@ntlworld.com> wrote:

> On Wed, 24 Oct 2012 10:10:42 -0400
> Alan Pinstein <apinstein@mac.com> wrote:
>> I need to make one clarification; the PPID ends up as 1 (orphaned) if
>> no traps are installed; if the HUP trap is installed, the PPID remains
>> correct, but it still doesn't exit.
> 
> In my case (Fedora 15 on x86_64), I'm seeing the programme exit if there
> aren't any traps, so I've got different behaviour.  This could be as the
> result of a race or indeed pretty much anything else...
> 
> With the HUP trap, it's not exiting, but that doesn't actually surprise
> me:  you're handling the trap within the shell, so it's not being
> propagated as a signal to PHP.
> 
> There are lots of variables, I'll try to experiment some more, in
> particular finding differences between the behaviour in functions and
> not (which wouldn't surprise me, there is some special handling).
> 
> pws