| line | !l | l&&!r | l&&r | condition | 
 
| 65 | 0 | 47 | 0 | exists $SIG{'PIPE'} && defined $SIG{'PIPE'} | 
 
| 72 | 0 | 0 | 2 | defined $stdin and ref $stdin eq 'IO::Handle' | 
 
| 78 | 2 | 0 | 0 | $current_sig_pipe and ref $current_sig_pipe eq 'CODE' | 
 
| 142 | 0 | 0 | 12 | exists $arg_hr->{'_timeout_info'} and ref $arg_hr->{'_timeout_info'} eq 'HASH' | 
 
| 228 | 24 | 17 | 0 | $is_stderr and $cur_line =~ /^open3:/ | 
 
| 250 | 39 | 0 | 0 | $is_open3_err and $arg_hr->{'stop_read_on_open3_err'} | 
 
| 258 | 2 | 27 | 0 | $odd_errno == 0 and $! == 9 | 
 
| 264 | 3 | 0 | 26 | defined $stdin and ref $stdin eq 'IO::Handle' | 
 
|  | 3 | 1 | 25 | defined $stdin and ref $stdin eq 'IO::Handle' and $stdin->opened | 
 
| 273 | 24 | 0 | 12 | $arg_hr->{'timeout'} and defined $original_alarm | 
 
| 286 | 29 | 0 | 0 | $is_open3_err and $open3_err_is_exec | 
 
|  | 29 | 0 | 0 | $is_open3_err and $open3_err_is_exec and $? != -1 |