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, 1 insertions, 4 deletions

diff --git a/script/lei b/script/lei
index 1d90be0a..087afc33 100755
--- a/script/lei
+++ b/script/lei
@@ -116,10 +116,7 @@ $SIG{CONT} = sub { send($sock, 'CONT', 0) };
 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};
-                die "recvmsg: $!";
-        }
+        die "recvmsg: $!" if scalar(@fds) == 1 && !defined($fds[0]);
         last if $buf eq '';
         if ($buf =~ /\Aexec (.+)\z/) {
                 $exec_cmd->(\@fds, split(/\0/, $1));