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Re: Re: Re: Have children maintain themselves or main script maintain children.by ncw (Friar) |
on May 11, 2001 at 21:18 UTC ( [id://79776]=note: print w/replies, xml ) | Need Help?? |
There are several disadvantages to installing a SIGCHLD handler
Some of the examples in The Perl Cookbook have the correct waitpid in a loop in the SIGCHLD handler, but some don't (for instance the section on a preforking daemon). Personally I would ignore SIGCHLD and make the parent wait() for the children to die. It will be nicely blocked (ie not using any excess CPU) until it needs to do something (ie make more children).
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