[PATCH 2/5] lei: simplify forced signal check

[Eric Wong <e@80x24.org>]

There's no need to loop since a select call is enough to force
signal handlers to be fired.
---
 script/lei | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script/lei b/script/lei
index a5aef956..d6cc4ef1 100755
--- a/script/lei
+++ b/script/lei
@@ -139,6 +139,6 @@ while (1) {
 $sigchld->();
 if (my $sig = ($x_it_code & 127)) {
 	kill $sig, $$;
-	sleep(1) while 1; # no self-pipe/signalfd, here, so we loop
+	select undef, undef, undef, 0; # for kernel to act on signal
 }
 exit($x_it_code >> 8);