I am trying to send a signal from a Perl process to the same Perl process on Windows to run one of the %SIG handlers. So far I have

use warnings;
use strict;
use Config;
use Data::Dumper;
my (%signo, @signame, $i);
$i = 0;
defined $Config{sig_name} || die "No sigs?";
foreach my $name (split(' ', $Config{sig_name})) {
    $signo{$name} = $i;
    $signame[$i] = $name;
    $i++;
}

print Dumper(\@signame);
sub sighandler {
    print "sighandler called\n";
}
$SIG{BREAK} = \&sighandler;
sub s1 {
    kill("BREAK", $$);
}
s1();
sleep 1;
print "after sleep\n";
exit;
[download]

The output I got was

$VAR1 = [
          "ZERO",
          "HUP",
          "INT",
          "QUIT",
          "ILL",
          "NUM05",
          "NUM06",
          "NUM07",
          "FPE",
          "KILL",
          "NUM10",
          "SEGV",
          "NUM12",
          "PIPE",
          "ALRM",
          "TERM",
          "NUM16",
          "NUM17",
          "NUM18",
          "NUM19",
          "CHLD",
          "BREAK",
          "ABRT",
          "STOP",
          "NUM24",
          "CONT",
          "CLD"
        ];
after sleep
[download]

Why wasn't the %SIG handler called?

edit: remove wrong wording, tip from browseruk

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