ipc: lower-level send_cmd/recv_cmd handle EINTR directly

This ensures script/lei $send_cmd usage is EINTR-safe (since
I prefer to avoid loading PublicInbox::IPC for startup time).
Overall, it saves us some code, too.

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/PublicInbox/LeiSelfSocket.pm b/lib/PublicInbox/LeiSelfSocket.pm
index b8745252..0e15bc7c 100644
--- a/lib/PublicInbox/LeiSelfSocket.pm
+++ b/lib/PublicInbox/LeiSelfSocket.pm
@@ -21,7 +21,8 @@ sub new {
 
 sub event_step {
         my ($self) = @_;
-        my @fds = PublicInbox::IPC::recv_cmd($self->{sock}, my $buf, 4096 * 33);
+        my ($buf, @fds);
+        @fds = $PublicInbox::IPC::recv_cmd->($self->{sock}, $buf, 4096 * 33);
         if (scalar(@fds) == 1 && !defined($fds[0])) {
                 return if $!{EAGAIN};
                 die "recvmsg: $!" unless $!{ECONNRESET};