diff options
Diffstat (limited to 'lib/PublicInbox/WQWorker.pm')
-rw-r--r-- | lib/PublicInbox/WQWorker.pm | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/PublicInbox/WQWorker.pm b/lib/PublicInbox/WQWorker.pm new file mode 100644 index 00000000..25a5e4fb --- /dev/null +++ b/lib/PublicInbox/WQWorker.pm @@ -0,0 +1,34 @@ +# 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 EPOLLET); +use Errno qw(EAGAIN ECONNRESET); +use IO::Handle (); # blocking + +sub new { + my (undef, $wq) = @_; + my $s2 = $wq->{-wq_s2} // die 'BUG: no -wq_s2'; + $s2->blocking(0); + my $self = bless { sock => $s2, wq => $wq }, __PACKAGE__; + $self->SUPER::new($s2, EPOLLEXCLUSIVE|EPOLLIN|EPOLLET); + $self; +} + +sub event_step { + my ($self) = @_; + my $n; + do { + $n = $self->{wq}->recv_and_run($self->{sock}, 4096 * 33); + } while ($n); + return if !defined($n) && $! == EAGAIN; # likely + warn "wq worker error: $!\n" if !defined($n) && $! != ECONNRESET; + $self->{wq}->wq_atexit_child; + $self->close; # PublicInbox::DS::close +} + +1; |