X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=script%2Flei;h=5cad19d776034176552fa352cb6a4415022683e3;hb=6e0ac7612095397ef3b9e019f772d724c62eac5b;hp=fce8124acc95795d113583416f179927da66dbf1;hpb=82e141cdf4a00de174b0a919689d846bb387cbf5;p=public-inbox.git

diff --git a/script/lei b/script/lei
index fce8124a..5cad19d7 100755
--- a/script/lei
+++ b/script/lei
@@ -53,6 +53,7 @@ my $exec_cmd = sub {
 		}
 		my %env = map { split(/=/, $_, 2) } splice(@argv, $argc);
 		@ENV{keys %env} = values %env;
+		umask 077;
 		exec(@argv);
 		warn "exec: @argv: $!\n";
 		POSIX::_exit(1);
@@ -105,17 +106,15 @@ open my $dh, '<', '.' or die "open(.) $!";
 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', $$ };
+$SIG{CONT} = sub { send($sock, 'CONT', MSG_EOR) };
+
 my $x_it_code = 0;
 while (1) {
 	my (@fds) = $recv_cmd->($sock, my $buf, 4096 * 33);
 	if (scalar(@fds) == 1 && !defined($fds[0])) {
 		next if $!{EINTR};
-		last if $!{ECONNRESET};
 		die "recvmsg: $!";
 	}
 	last if $buf eq '';
@@ -123,11 +122,15 @@ while (1) {
 		$exec_cmd->(\@fds, split(/\0/, $1));
 	} elsif ($buf eq '-WINCH') {
 		kill($buf, @parent); # for MUA
+	} elsif ($buf eq 'umask') {
+		send($sock, 'u'.pack('V', umask), MSG_EOR) or die "send: $!"
 	} elsif ($buf =~ /\Ax_it ([0-9]+)\z/) {
 		$x_it_code ||= $1 + 0;
 		last;
 	} elsif ($buf =~ /\Achild_error ([0-9]+)\z/) {
 		$x_it_code ||= $1 + 0;
+	} elsif ($buf eq 'wait') {
+		$sigchld->();
 	} else {
 		$sigchld->();
 		die $buf;
@@ -136,6 +139,6 @@ while (1) {
 $sigchld->();
 if (my $sig = ($x_it_code & 127)) {
 	kill $sig, $$;
-	sleep(1) while 1;
+	sleep(1) while 1; # no self-pipe/signalfd, here, so we loop
 }
 exit($x_it_code >> 8);