From bc66e31834419c12770d790694bc9e60eccd11e2 Mon Sep 17 00:00:00 2001
From: Paul Warren <pdw@ex-parrot.com>
Date: Tue, 3 Jan 2017 21:53:09 +0000
Subject: Clean up libpcap on exit - Brian Russell <brussell@brocade.com>

On exit, call pcap_close() so that any resources used internally
by libpcap can be cleaned up.

http://lists.beasts.org/pipermail/iftop-users/2016-September/000455.html
---
 iftop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/iftop.c b/iftop.c
index a090dcf..f9875c9 100644
--- a/iftop.c
+++ b/iftop.c
@@ -839,6 +839,8 @@ int main(int argc, char **argv) {
     }
 
     pthread_cancel(thread);
+    pthread_join(thread, NULL);
+    pcap_close(pd);
 
     ui_finish();
     
-- 
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