From 12fbe114f675a11c309a268a8c7cd5779ddfbf63 Mon Sep 17 00:00:00 2001
From: David Scott <dave@recoil.org>
Date: Fri, 17 Jun 2016 15:52:24 +0100
Subject: [PATCH] iptables: remove the pid file after sending SIGTERM

Signed-off-by: David Scott <dave.scott@docker.com>
---
 alpine/packages/iptables/main.ml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/alpine/packages/iptables/main.ml b/alpine/packages/iptables/main.ml
index 23db29202..40f769669 100644
--- a/alpine/packages/iptables/main.ml
+++ b/alpine/packages/iptables/main.ml
@@ -65,7 +65,8 @@ let delete ({ proto; dport; ip; port } as p) =
     let ic = open_in filename in
     let pid = int_of_string (input_line ic) in
     logf "Sending SIGTERM to %d" pid;
-    Unix.kill pid Sys.sigterm
+    Unix.kill pid Sys.sigterm;
+    Unix.unlink filename
   with e ->
     logf "delete: failed to remove proxy for %s: %s" filename (Printexc.to_string e);
     ()