sub handleSigs {
  my ($signalReceived) = @_;
  my $exitVal = 0;
  log_terminal("warning: received $signalReceived signal");
  if ($signalReceived eq "INT") { $exitVal = 1; }
  elsif ($signalReceived eq "USR1") { $exitVal = 2; }
  elsif ($signalReceived eq "USR2") { $exitVal = 3; }
  myExit($exitVal);
}

$SIG{USR1}=\&handleSigs;
$SIG{USR2}=\&handleSigs;

##</code><code>##

Signal SIGUSR1 received, but no signal handler set.