From 3600de26c13e1b0323dab03ef52db1c389b8cd09 Mon Sep 17 00:00:00 2001
From: Denton Gentry <dgentry@google.com>
Date: Fri, 26 Dec 2014 13:34:56 -0800
Subject: [PATCH] Silence is golden.

ifplugd wants to read stdout/stderr of its child
processes, in order to log it. If a child exited
without producing any output, ifplugd would wait
forever.

If the child exits, stop waiting for output.
---
 src/ifplugd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ifplugd.c b/src/ifplugd.c
index 76d4d1a..1a7bb5b 100644
--- a/src/ifplugd.c
+++ b/src/ifplugd.c
@@ -221,6 +221,9 @@ int action(interface_status_t status) {
             if (sig != SIGCHLD) {
                 daemon_log(LOG_WARNING, "Killing child.");
                 kill(pid, SIGTERM);
+            } else {
+                /* child exited, we don't need to keep waiting for output. */
+                break;
             }
         }
         
-- 
2.2.0.rc0.207.ga3a616c