1 files changed, 5 insertions, 3 deletions
diff --git a/lib/PublicInbox/XapClient.pm b/lib/PublicInbox/XapClient.pm
index 98034130..24b3f45e 100644
--- a/lib/PublicInbox/XapClient.pm
+++ b/lib/PublicInbox/XapClient.pm
@@ -12,6 +12,7 @@ use PublicInbox::Spawn qw(spawn);
  use Socket qw(AF_UNIX SOCK_SEQPACKET);
  use PublicInbox::IPC;
  use autodie qw(pipe socketpair);
+our $tries = 50;
  
  sub mkreq {
          my ($self, $ios, @arg) = @_;
@@ -19,13 +20,14 @@ sub mkreq {
          pipe($r, $ios->[0]) if !defined($ios->[0]);
          my @fds = map fileno($_), @$ios;
          my $buf = join("\0", @arg, '');
-        $n = $PublicInbox::IPC::send_cmd->($self->{io}, \@fds, $buf, 0) //
-                die "send_cmd: $!";
+        $n = $PublicInbox::IPC::send_cmd->($self->{io}, \@fds, $buf, 0, $tries)
+                // die "send_cmd: $!";
          $n == length($buf) or die "send_cmd: $n != ".length($buf);
          $r;
  }
  
-sub start_helper {
+sub start_helper (@) {
+        $PublicInbox::IPC::send_cmd or return; # can't work w/o SCM_RIGHTS
          my @argv = @_;
          socketpair(my $sock, my $in, AF_UNIX, SOCK_SEQPACKET, 0);
          my $cls = 'PublicInbox::XapHelperCxx';