What are you expecting the value of $error to be when the signal arrives?

Plus, why not simply capture the variable as a closure:

my $error;
sub timeout {
   ...
   if( $error ) ...
   ...
}


...

$SIG{ALRM} = \&timeout;

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In reply to Re: Passing arguments to a function reference by BrowserUk
in thread Passing arguments to a function reference by MiniMizer

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