Windows doesn't have signals

No, but it simulates some of them: 

use strict;
use warnings;
use 5.010;

print 'Enter your password: ';

my $password = eval {
    local $SIG{ALRM} = sub {die "timeout\n"};
    alarm 5;
    #    return <STDIN>;
    sleep 10;
};

alarm 0;

if ($@ =~ /timeout/) {
    print "You timed out.\n";
}

__END__
[ 7:18:01.22] C:\test>alarmit.pl
Enter your password: You timed out.

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In the absence of evidence, opinion is indistinguishable from prejudice.
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In reply to Re^5: $SIG{ALRM} and windows vista? by BrowserUk
in thread $SIG{ALRM} and windows vista? by 7stud

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