return send($sock, 'timed out waiting to recv FDs', MSG_EOR);
# (4096 * 33) >MAX_ARG_STRLEN
my @fds = $recv_cmd->($sock, my $buf, 4096 * 33) or return; # EOF
- if (scalar(@fds) == 4) {
- for my $i (0..3) {
- my $fd = shift(@fds);
- open($self->{$i}, '+<&=', $fd) and next;
- send($sock, "open(+<&=$fd) (FD=$i): $!", MSG_EOR);
- }
- } elsif (!defined($fds[0])) {
+ if (!defined($fds[0])) {
warn(my $msg = "recv_cmd failed: $!");
return send($sock, $msg, MSG_EOR);
} else {
- return;
+ my $i = 0;
+ for my $fd (@fds) {
+ open($self->{$i++}, '+<&=', $fd) and next;
+ send($sock, "open(+<&=$fd) (FD=$i): $!", MSG_EOR);
+ }
+ return if scalar(@fds) != 4;
}
$self->{2}->autoflush(1); # keep stdout buffered until x_it|DESTROY
# $ENV_STR = join('', map { "\0$_=$ENV{$_}" } keys %ENV);