-# Copyright (C) 2015-2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-# contains common daemon code for the httpd, imapd, and nntpd servers.
-# This may be used for read-only IMAP server if we decide to implement it.
+#
+# Contains common daemon code for the httpd, imapd, and nntpd servers
+# and designed for handling thousands of untrusted clients over slow
+# and/or lossy connections.
package PublicInbox::Daemon;
use strict;
use warnings;
STDOUT->autoflush(1);
STDERR->autoflush(1);
use PublicInbox::DS qw(now);
-use PublicInbox::Syscall qw($SFD_NONBLOCK);
+use PublicInbox::Syscall qw(SFD_NONBLOCK);
require PublicInbox::Listener;
use PublicInbox::EOFpipe;
use PublicInbox::Sigfd;
foreach my $fd (3..$end) {
my $s = IO::Handle->new_from_fd($fd, 'r');
if (my $k = sockname($s)) {
- if ($s->blocking) {
- $s->blocking(0);
- warn <<"";
+ my $prev_was_blocking = $s->blocking(0);
+ warn <<"" if $prev_was_blocking;
Inherited socket (fd=$fd) is blocking, making it non-blocking.
Set 'NonBlocking = true' in the systemd.service unit to avoid stalled
processes when multiple service instances start.
- }
$listener_names->{$k} = $s;
push @rv, $s;
} else {
}
sub kill_workers ($) {
- my ($s) = @_;
-
- while (my ($pid, $id) = each %pids) {
- kill $s, $pid;
- }
+ my ($sig) = @_;
+ kill $sig, keys(%pids);
}
sub upgrade_aborted ($) {
# this calls epoll_create:
PublicInbox::Listener->new($_, $tls_cb || $post_accept)
} @listeners;
- my $sigfd = PublicInbox::Sigfd->new($sig, $SFD_NONBLOCK);
+ my $sigfd = PublicInbox::Sigfd->new($sig, SFD_NONBLOCK);
local %SIG = (%SIG, %$sig) if !$sigfd;
if (!$sigfd) {
# wake up every second to accept signals if we don't