1 files changed, 33 insertions, 0 deletions
diff --git a/lib/PublicInbox/WQWorker.pm b/lib/PublicInbox/WQWorker.pm
new file mode 100644
index 00000000..950bd170
--- /dev/null
+++ b/lib/PublicInbox/WQWorker.pm
@@ -0,0 +1,33 @@
+# Copyright (C) 2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# for PublicInbox::IPC wq_* (work queue) workers
+package PublicInbox::WQWorker;
+use strict;
+use v5.10.1;
+use parent qw(PublicInbox::DS);
+use PublicInbox::Syscall qw(EPOLLIN EPOLLEXCLUSIVE);
+use Errno qw(EAGAIN ECONNRESET);
+use IO::Handle (); # blocking
+
+sub new {
+        my ($cls, $wq, $sock) = @_;
+        $sock->blocking(0);
+        my $self = bless { sock => $sock, wq => $wq }, $cls;
+        $self->SUPER::new($sock, EPOLLEXCLUSIVE|EPOLLIN);
+        $self;
+}
+
+sub event_step {
+        my ($self) = @_;
+        my $n = $self->{wq}->recv_and_run($self->{sock}) and return;
+        unless (defined $n) {
+                return if $! == EAGAIN;
+                warn "recvmsg: $!" if $! != ECONNRESET;
+        }
+        $self->{sock} == $self->{wq}->{-wq_s2} and
+                $self->{wq}->wq_atexit_child;
+        $self->close; # PublicInbox::DS::close
+}
+
+1;