[PATCH 08/12] eofpipe: drop {arg} support for now

[Eric Wong <e@80x24.org>]

The only user of EOFpipe has no args, so avoid wasting a hash
slot on it.  If we need it again in the future, EOFpipe will
allow an array of args, instead.
---
 lib/PublicInbox/Daemon.pm  |  2 +-
 lib/PublicInbox/EOFpipe.pm | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/PublicInbox/Daemon.pm b/lib/PublicInbox/Daemon.pm
index ee746f05..17e799ca 100644
--- a/lib/PublicInbox/Daemon.pm
+++ b/lib/PublicInbox/Daemon.pm
@@ -693,7 +693,7 @@ sub daemon_loop ($) {
 	if ($worker_processes > 0) {
 		$refresh->(); # preload by default
 		my $fh = master_loop(); # returns if in child process
-		PublicInbox::EOFpipe->new($fh, \&worker_quit, undef);
+		PublicInbox::EOFpipe->new($fh, \&worker_quit);
 	} else {
 		reopen_logs();
 		$set_user->() if $set_user;
diff --git a/lib/PublicInbox/EOFpipe.pm b/lib/PublicInbox/EOFpipe.pm
index e537e2aa..628e9366 100644
--- a/lib/PublicInbox/EOFpipe.pm
+++ b/lib/PublicInbox/EOFpipe.pm
@@ -1,14 +1,14 @@
-# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 package PublicInbox::EOFpipe;
-use strict;
+use v5.12;
 use parent qw(PublicInbox::DS);
 use PublicInbox::Syscall qw(EPOLLIN EPOLLONESHOT);
 
 sub new {
-	my (undef, $rd, $cb, $arg) = @_;
-	my $self = bless {  cb => $cb, arg => $arg }, __PACKAGE__;
+	my (undef, $rd, $cb) = @_;
+	my $self = bless { cb => $cb }, __PACKAGE__;
 	# 1031: F_SETPIPE_SZ, 4096: page size
 	fcntl($rd, 1031, 4096) if $^O eq 'linux';
 	$self->SUPER::new($rd, EPOLLIN|EPOLLONESHOT);
@@ -17,7 +17,7 @@ sub new {
 sub event_step {
 	my ($self) = @_;
 	if ($self->do_read(my $buf, 1) == 0) { # auto-closed
-		$self->{cb}->($self->{arg});
+		$self->{cb}->();
 	}
 }