- setpgrp 0, 0 or croak "setpgrp(0, 0): $!";
- close $rdr or croak "close(\$rdr): $!";
- open STDERR, '>&', $wtr or croak "open(STDERR, '>&', \$wtr): $!";
+ setpgrp 0, 0 or die "setpgrp(0, 0): $!";
+ close $rdr or die "close(\$rdr): $!";
+ fcntl $wtr, F_SETFD, 0 or die "fcntl(\$wtr, F_SETFD, 0): $!";