| line | true | false | branch | 
 
| 115 | 4 | 3 | $_[10] eq 'CHLD' ? : | 
 
| 151 | 1 | 111 | if (defined $timeout and $timeout == 0) | 
 
| 157 | 94 | 17 | if (defined $timeout) | 
 
| 171 | 0 | 8 | unless my $handle = $params{'handle'} | 
 
| 173 | 7 | 1 | if (my $on_read_ready = $params{'on_read_ready'}) | 
 
| 177 | 3 | 5 | if (my $on_write_ready = $params{'on_write_ready'}) | 
 
| 187 | 0 | 7 | unless my $handle = $params{'handle'} | 
 
| 189 | 6 | 1 | if (my $on_read_ready = $params{'on_read_ready'}) | 
 
| 193 | 3 | 4 | if (my $on_write_ready = $params{'on_write_ready'}) | 
 
| 203 | 0 | 27 | unless my $code = $params{'code'} | 
 
| 205 | 1 | 26 | if (defined $params{'at'}) { } | 
 
|  | 26 | 0 | elsif (defined $params{'after'}) { } | 
 
| 229 | 1 | 3 | unless exists $SIG{$signal} | 
 
| 247 | 0 | 6 | unless my $when = delete $params{'when'} | 
 
| 249 | 0 | 6 | unless my $code = delete $params{'code'} | 
 
| 251 | 0 | 6 | unless $when eq 'later' | 
 
| 269 | 9 | 4 | if ($pid) { } | 
 
| 282 | 1 | 0 | if ($pid) { } |