-# Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2015-2019 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 nntpd and httpd servers.
# This may be used for read-only IMAP server if we decide to implement it.
use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
use IO::Handle;
use IO::Socket;
+use POSIX qw(WNOHANG);
use Socket qw(IPPROTO_TCP SOL_SOCKET);
sub SO_ACCEPTFILTER () { 0x1000 }
use Cwd qw/abs_path/;
STDERR->autoflush(1);
use PublicInbox::DS qw(now);
require PublicInbox::EvCleanup;
-require POSIX;
require PublicInbox::Listener;
require PublicInbox::ParentPipe;
my @CMD;
my $s = eval { $sock_pkg->new(%o) };
warn "error binding $l: $! ($@)\n" unless $s;
umask $prev;
-
if ($s) {
$listener_names{sockname($s)} = $s;
+ $s->blocking(0);
push @listeners, $s;
}
}
sub worker_quit {
- my ($reason) = @_;
# killing again terminates immediately:
exit unless @listeners;
$_->close foreach @listeners; # call PublicInbox::DS::close
@listeners = ();
- $reason->close if ref($reason) eq 'PublicInbox::ParentPipe';
my $proc_name;
my $warn = 0;
foreach my $fd (3..$end) {
my $s = IO::Handle->new_from_fd($fd, 'r');
if (my $k = sockname($s)) {
+ if ($s->blocking) {
+ $s->blocking(0);
+ warn <<"";
+Inherited socket (fd=$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 reap_children () {
while (1) {
- my $p = waitpid(-1, &POSIX::WNOHANG) or return;
+ my $p = waitpid(-1, WNOHANG) or return;
if (defined $reexec_pid && $p == $reexec_pid) {
upgrade_aborted($p);
} elsif (defined(my $id = delete $pids{$p})) {
} else {
reopen_logs();
$set_user->() if $set_user;
- $SIG{USR2} = sub { worker_quit('USR2') if upgrade() };
+ $SIG{USR2} = sub { worker_quit() if upgrade() };
$refresh->();
}
$uid = $gid = undef;