# Copyright (C) 2016-2020 all contributors
# License: AGPL-3.0+
# 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 PublicInbox::Syscall qw(EPOLLIN EPOLLONESHOT);
sub new ($$$) {
my ($class, $pipe, $worker_quit) = @_;
my $self = fields::new($class);
$self->SUPER::new($pipe, EPOLLIN|EPOLLONESHOT);
$self->{cb} = $worker_quit;
$self;
}
# master process died, time to call worker_quit ourselves
sub event_step {
$_[0]->close; # PublicInbox::DS::close
$_[0]->{cb}->();
}
1;