From: Brian Candler <b.candler@...>
Date: 2011-04-08T22:38:27+09:00
Subject: Re: How do I trap Ctrl-C so it doesn't reach spawned threads?

> 3. Anyone with a suggestion how to spawn processes not affected by a
> SIGINT?

Try replacing

Thread.new { system("...") }

with:

fork { Process.setsid; exec("...") }

This also has the advantages of:
- not using threads
- the pid of the child is the return value from fork

Regards,

Brian.

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