-# Copyright (C) 2015-2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2015-2020 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 strict;
use warnings;
use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
-use IO::Handle;
+use IO::Handle; # ->autoflush
use IO::Socket;
use POSIX qw(WNOHANG :signal_h);
use Socket qw(IPPROTO_TCP SOL_SOCKET);
write_pid($pid_file);
# for ->DESTROY:
- bless { pid => $$, pid_file => $pid_file }, __PACKAGE__;
+ bless { pid => $$, pid_file => \$pid_file }, __PACKAGE__;
}
sub worker_quit { # $_[0] = signal name or number (unused)
$ENV{LISTEN_FDS} = scalar @listeners;
$ENV{LISTEN_PID} = $$;
foreach my $s (@listeners) {
+ # @listeners are globs with workers, PI::L w/o workers
+ $s = $s->{sock} if ref($s) eq 'PublicInbox::Listener';
+
my $fl = fcntl($s, F_GETFD, 0);
fcntl($s, F_SETFD, $fl &= ~FD_CLOEXEC);
}
}
}
+sub master_quit ($) {
+ exit unless @listeners;
+ @listeners = ();
+ kill_workers($_[0]);
+}
+
sub master_loop {
pipe(my ($p0, $p1)) or die "failed to create parent-pipe: $!";
# 1031: F_SETPIPE_SZ, 4096: page size
fcntl($p1, 1031, 4096) if $^O eq 'linux';
my $set_workers = $worker_processes;
reopen_logs();
- my $quit = 0;
my $ignore_winch;
- my $quit_cb = sub { exit if $quit++; kill_workers($_[0]) };
my $sig = {
USR1 => sub { reopen_logs(); kill_workers($_[0]); },
USR2 => \&upgrade,
- QUIT => $quit_cb,
- INT => $quit_cb,
- TERM => $quit_cb,
+ QUIT => \&master_quit,
+ INT => \&master_quit,
+ TERM => \&master_quit,
WINCH => sub {
- return if $ignore_winch;
+ return if $ignore_winch || !@listeners;
if (-t STDIN || -t STDOUT || -t STDERR) {
$ignore_winch = 1;
warn <<EOF;
}
},
HUP => sub {
+ return unless @listeners;
$worker_processes = $set_workers;
kill_workers($_[0]);
},
TTIN => sub {
+ return unless @listeners;
if ($set_workers > $worker_processes) {
++$worker_processes;
} else {
sig_setmask($oldset) if !$sigfd;
while (1) { # main loop
my $n = scalar keys %pids;
- if ($quit) {
+ unless (@listeners) {
exit if $n == 0;
$set_workers = $worker_processes = $n = 0;
}
my ($s, $af_name) = @_;
return unless defined $af_name;
if ($^O eq 'linux') {
- my $x = getsockopt($s, IPPROTO_TCP, Socket::TCP_DEFER_ACCEPT());
+ my $TCP_DEFER_ACCEPT = 9; # Socket::TCP_DEFER_ACCEPT is in 5.14+
+ my $x = getsockopt($s, IPPROTO_TCP, $TCP_DEFER_ACCEPT);
return unless defined $x; # may be Unix socket
my $sec = unpack('i', $x);
return if $sec > 0; # systemd users may set a higher value
- setsockopt($s, IPPROTO_TCP, Socket::TCP_DEFER_ACCEPT(), 1);
+ setsockopt($s, IPPROTO_TCP, $TCP_DEFER_ACCEPT, 1);
} elsif ($^O eq 'freebsd') {
my $x = getsockopt($s, SOL_SOCKET, SO_ACCEPTFILTER);
return if defined $x; # don't change if set
WINCH => 'IGNORE',
CHLD => \&PublicInbox::DS::enqueue_reap,
};
- my $parent_pipe;
if ($worker_processes > 0) {
$refresh->(); # preload by default
my $fh = master_loop(); # returns if in child process
- $parent_pipe = PublicInbox::ParentPipe->new($fh, *worker_quit);
+ PublicInbox::ParentPipe->new($fh, \&worker_quit);
} else {
reopen_logs();
$set_user->() if $set_user;
sub run ($$$;$) {
my ($default, $refresh, $post_accept, $nntpd) = @_;
+ local $SIG{PIPE} = 'IGNORE';
daemon_prepare($default);
my $af_default = $default =~ /:8080\z/ ? 'httpready' : undef;
my $for_destroy = daemonize();
}
sub DESTROY {
- unlink_pid_file_safe_ish($_[0]->{pid}, $_[0]->{pid_file});
+ unlink_pid_file_safe_ish($_[0]->{pid}, ${$_[0]->{pid_file}});
}
1;