X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FParentPipe.pm;h=538b5632c623851aebaed6662238ac3406a9b220;hb=94096cab6cd5e00c8a36a4a2667bdb9acf43d01f;hp=25f13a82fe77b9d1c44f2a904f6e06a6e55915a5;hpb=fe86054ee1e2d93b19762a34ed1aaebe43635ff0;p=public-inbox.git

diff --git a/lib/PublicInbox/ParentPipe.pm b/lib/PublicInbox/ParentPipe.pm
index 25f13a82..538b5632 100644
--- a/lib/PublicInbox/ParentPipe.pm
+++ b/lib/PublicInbox/ParentPipe.pm
@@ -1,21 +1,23 @@
-# Copyright (C) 2016-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2016-2020 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-# only for PublicInbox::Daemon
+
+# only for PublicInbox::Daemon, allows worker processes to be
+# notified if the master process dies.
 package PublicInbox::ParentPipe;
 use strict;
-use warnings;
-use base qw(PublicInbox::DS);
-use fields qw(cb);
+use parent qw(PublicInbox::DS);
+use PublicInbox::Syscall qw(EPOLLIN EPOLLONESHOT);
 
 sub new ($$$) {
-	my ($class, $pipe, $cb) = @_;
-	my $self = fields::new($class);
-	$self->SUPER::new($pipe);
-	$self->{cb} = $cb;
-	$self->watch_read(1);
-	$self;
+	my ($class, $pipe, $worker_quit) = @_;
+	my $self = bless { cb => $worker_quit }, $class;
+	$self->SUPER::new($pipe, EPOLLIN|EPOLLONESHOT);
 }
 
-sub event_read { $_[0]->{cb}->($_[0]) }
+# master process died, time to call worker_quit ourselves
+sub event_step {
+	$_[0]->close; # PublicInbox::DS::close
+	$_[0]->{cb}->();
+}
 
 1;