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Limit perl code execution time

HTML Help Forum -> Perl

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zylstra
Site Admin

Joined: 10 May 2004
Posts: 138

Posted: Tue Jun 27, 2006 5:02 pm Limit perl code execution time

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I need to limit the execution time of a particular line of code because it sometimes crashes the script:

Code:

eval {$whois_info = `whois $domain`};

I would like the script to continue running even if the script stops that particular line of code.

How do I accomplish this?

zylstra
Site Admin

Joined: 10 May 2004
Posts: 138

Posted: Tue Jun 27, 2006 11:40 pm

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I found the answer with

Code:

$SIG{ALRM} = \&timed_out;
eval {
alarm (10);
$whois_info = `whois $domain`;
alarm(0); # Cancel the pending alarm if whois responds.
};
if ($@ =~ /GOT TIRED OF WAITING/) {
print " Whois timed out: $@ ";
}

sub timed_out {
die "GOT TIRED OF WAITING";
}

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