1 # Copyright (C) 2016-2020 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # a tied handle for auto reaping of children tied to a pipe, see perltie(1)
5 package PublicInbox::ProcessPipe;
10 my ($class, $pid, $fh) = @_;
11 bless { pid => $pid, fh => $fh }, $class;
14 sub READ { read($_[0]->{fh}, $_[1], $_[2], $_[3] || 0) }
16 sub READLINE { readline($_[0]->{fh}) }
19 my $fh = delete($_[0]->{fh});
20 my $ret = defined $fh ? close($fh) : '';
21 my $pid = delete $_[0]->{pid};
23 # PublicInbox::DS may not be loaded
24 eval { PublicInbox::DS::dwaitpid($pid, undef, undef) };
26 if ($@) { # ok, not in the event loop, work synchronously
34 sub FILENO { fileno($_[0]->{fh}) }
41 sub pid { $_[0]->{pid} }