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-rw-r--r--lib/PublicInbox/LEI.pm12
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 6f21da35..f41f63ed 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -660,7 +660,7 @@ sub noop {}
 
 # lei(1) calls this when it can't connect
 sub lazy_start {
-        my ($path, $errno) = @_;
+        my ($path, $errno, $nfd) = @_;
         if ($errno == ECONNREFUSED) {
                 unlink($path) or die "unlink($path): $!";
         } elsif ($errno != ENOENT) {
@@ -675,8 +675,14 @@ sub lazy_start {
         my $dev_ino_expect = pack('dd', $st[0], $st[1]); # dev+ino
         pipe(my ($eof_r, $eof_w)) or die "pipe: $!";
         my $oldset = PublicInbox::Sigfd::block_signals();
-        $recv_3fds = PublicInbox::Spawn->can('recv_3fds') or die
-                "Inline::C not installed/configured or IO::FDPass missing\n";
+        if ($nfd == 1) {
+                require IO::FDPass;
+                $recv_3fds = sub { map { IO::FDPass::recv($_[0]) } (0..2) };
+        } elsif ($nfd == 3) {
+                $recv_3fds = PublicInbox::Spawn->can('recv_3fds');
+        }
+        $recv_3fds or die
+                "IO::FDPass missing or Inline::C not installed/configured\n";
         require PublicInbox::Listener;
         require PublicInbox::EOFpipe;
         (-p STDOUT) or die "E: stdout must be a pipe\n";