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Re: SPAWN background command without nohup? [message #88866 is a reply to message #88861]

Mon, 30 June 2014 02:34

lecacheux.alain
Messages: 325
Registered: January 2008

Senior Member

On Saturday, June 28, 2014 5:27:48 PM UTC+2, David Grier wrote:
> Dear Folks,
>
>
>
> Using SPAWN to start a background process on unix-like systems
>
> can leave the process running even after the IDL process terminates.
>
> I'd like to arrange things so that the child process is killed when IDL exits.
>
>
>
> Here's a schematic example:
>
>
>
> IDL> spawn, 'myprocess &', pid=pid
>
> IDL> print, pid
>
> 62417
>
> IDL> exit
>
>
>
> $ ps | grep 62417
>
> grier 62417 0.0 0.1 2473856 12320 ?? S 10:41AM 0:00.02 myprocess
>
>
>
> This is similar to running a shell command with nohup:
>
> $ nohup myprocess &
>
> $ exit
>
>
>
> Is there a way to make IDL spawn a child process that terminates when
>
> the parent IDL session terminates?
>
>
>
> All the best,
>
>
>
> David

You might try to keep your spawned process synchronized with the parent IDL session : maybe by using the UNIT keyword ?
Just a guess, I have no experience with unix.
alx.

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[Message index]

		SPAWN background command without nohup? By: dg86 on Sat, 28 June 2014 08:27
		Re: SPAWN background command without nohup? By: lecacheux.alain on Mon, 30 June 2014 02:34
		Re: SPAWN background command without nohup? By: dg86 on Mon, 30 June 2014 03:03
		Re: SPAWN background command without nohup? By: lecacheux.alain on Mon, 30 June 2014 04:17
		Re: SPAWN background command without nohup? By: dg86 on Mon, 30 June 2014 05:06
		Re: SPAWN background command without nohup? By: Matthew Argall on Mon, 30 June 2014 05:40
		Re: SPAWN background command without nohup? By: lecacheux.alain on Mon, 30 June 2014 09:21

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