use POSIX::PIPE_BUF (instead of _POSIX_PIPE_BUF)

PIPE_BUF accounts for Linux being 4096 (and presumably other
OSes differing), while _POSIX_PIPE_BUF is the minimum 512
value.

1 files changed, 2 insertions, 2 deletions

diff --git a/t/run.perl b/t/run.perl
index 5082125b..b0ee611a 100755
--- a/t/run.perl
+++ b/t/run.perl
@@ -18,7 +18,7 @@ use PublicInbox::Spawn;
 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;
@@ -199,7 +199,7 @@ for (my $i = $repeat; $i != 0; $i--) {
         pipe(my ($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;