use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
use Errno qw(EINTR);
use Fcntl qw(:seek);
-use POSIX qw(_POSIX_PIPE_BUF WNOHANG);
+use POSIX qw(WNOHANG);
use File::Temp ();
my $jobs = 1;
my $repeat = 1;
pipe(my ($rd, $wr)) or DIE "pipe: $!";
# fill the queue before forking so children can start earlier
- my $n = (_POSIX_PIPE_BUF / UINT_SIZE);
+ my $n = (POSIX::PIPE_BUF / UINT_SIZE);
if ($n >= $#todo) {
print $wr join('', map { pack('I', $_) } (0..$#todo)) or DIE;
undef $wr;