}
my %env = map { split(/=/, $_, 2) } splice(@argv, $argc);
@ENV{keys %env} = values %env;
+ umask 077;
exec(@argv);
warn "exec: @argv: $!\n";
POSIX::_exit(1);
# try connecting again anyways, unlink+bind may be racy
connect($sock, $addr) or die <<"";
connect($path): $! (after attempted daemon start)
-Falling back to (slow) one-shot mode
}
# (Socket::MsgHdr|Inline::C), $sock are all available:
my $buf = join("\0", scalar(@ARGV), @ARGV);
while (my ($k, $v) = each %ENV) { $buf .= "\0$k=$v" }
$buf .= "\0\0";
-my $n = $send_cmd->($sock, [0, 1, 2, fileno($dh)], $buf, MSG_EOR);
-if (!$n) {
- die "sendmsg: $! (check RLIMIT_NOFILE)\n" if $!{ETOOMANYREFS};
- die "sendmsg: $!\n";
-}
+$send_cmd->($sock, [0, 1, 2, fileno($dh)], $buf, MSG_EOR) or die "sendmsg: $!";
+$SIG{TSTP} = sub { send($sock, 'STOP', MSG_EOR); kill 'STOP', $$ };
+$SIG{CONT} = sub { send($sock, 'CONT', MSG_EOR) };
+
my $x_it_code = 0;
while (1) {
my (@fds) = $recv_cmd->($sock, my $buf, 4096 * 33);
if (scalar(@fds) == 1 && !defined($fds[0])) {
next if $!{EINTR};
- last if $!{ECONNRESET};
die "recvmsg: $!";
}
last if $buf eq '';
$exec_cmd->(\@fds, split(/\0/, $1));
} elsif ($buf eq '-WINCH') {
kill($buf, @parent); # for MUA
+ } elsif ($buf eq 'umask') {
+ send($sock, 'u'.pack('V', umask), MSG_EOR) or die "send: $!"
} elsif ($buf =~ /\Ax_it ([0-9]+)\z/) {
$x_it_code ||= $1 + 0;
last;
} elsif ($buf =~ /\Achild_error ([0-9]+)\z/) {
$x_it_code ||= $1 + 0;
+ } elsif ($buf eq 'wait') {
+ $sigchld->();
} else {
$sigchld->();
die $buf;
$sigchld->();
if (my $sig = ($x_it_code & 127)) {
kill $sig, $$;
- sleep(1) while 1;
+ sleep(1) while 1; # no self-pipe/signalfd, here, so we loop
}
exit($x_it_code >> 8);