doc: tuning: additional notes for many inboxes

[public-inbox.git] / script / lei

diff --git a/script/lei b/script/lei
index 399296ba1a8d453597e93dc0cb9dfa9b7c99b916..5cad19d776034176552fa352cb6a4415022683e3 100755 (executable)
--- a/script/lei
+++ b/script/lei
@@ -107,8 +107,8 @@ my $buf = join("\0", scalar(@ARGV), @ARGV);
 while (my ($k, $v) = each %ENV) { $buf .= "\0$k=$v" }
 $buf .= "\0\0";
 $send_cmd->($sock, [0, 1, 2, fileno($dh)], $buf, MSG_EOR) or die "sendmsg: $!";
-$SIG{TSTP} = sub { $send_cmd->($sock, [], 'STOP', MSG_EOR); kill 'STOP', $$ };
-$SIG{CONT} = sub { $send_cmd->($sock, [], 'CONT', MSG_EOR) };
+$SIG{TSTP} = sub { send($sock, 'STOP', MSG_EOR); kill 'STOP', $$ };
+$SIG{CONT} = sub { send($sock, 'CONT', MSG_EOR) };
 
 my $x_it_code = 0;
 while (1) {
@@ -122,6 +122,8 @@ while (1) {
                $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;
@@ -137,6 +139,6 @@ while (1) {
 $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);