C:\Src>perl -MDDS -e "Dump \%SIG"
$HASH1 = {
           __DIE__  => undef,
           __WARN__ => undef,
           ABRT     => undef,
           ALRM     => undef,
           BREAK    => undef,
           CHLD     => undef,
           CLD      => undef,
           CONT     => undef,
           FPE      => undef,
           HUP      => undef,
           ILL      => undef,
           INT      => undef,
           KILL     => undef,
           NUM05    => undef,
           NUM06    => undef,
           NUM07    => undef,
           NUM10    => undef,
           NUM12    => undef,
           NUM16    => undef,
           NUM17    => undef,
           NUM18    => undef,
           NUM19    => undef,
           NUM24    => undef,
           PIPE     => undef,
           QUIT     => undef,
           SEGV     => undef,
           STOP     => undef,
           TERM     => undef
         };

C:\Src>perl -MData::Dumper -e "print Dumper \%SIG"
$VAR1 = {
          'ABRT' => undef,
          'BREAK' => undef,
          'HUP' => undef,
          'NUM19' => undef,
          'FPE' => undef,
          'CLD' => undef,
          'NUM12' => undef,
          'NUM16' => undef,
          'NUM18' => undef,
          'NUM17' => undef,
          'STOP' => undef,
          'NUM24' => undef,
          'NUM10' => undef,
          'INT' => undef,
          'SEGV' => undef,
          'QUIT' => undef,
          'KILL' => undef,
          'PIPE' => undef,
          'NUM05' => undef,
          'CONT' => undef,
          '__WARN__' => undef,
          'NUM06' => undef,
          'NUM07' => undef,
          'ILL' => undef,
          'TERM' => undef,
          'ALRM' => undef,
          'CHLD' => undef
        };

C:\Src>