From b993764a145fc991260a0cdb5079b4cf6a30d0bd Mon Sep 17 00:00:00 2001
From: Ian Gulliver <flamingcow@gmail.com>
Date: Tue, 16 Feb 2016 21:42:01 +0000
Subject: [PATCH] Set client FDs non-blocking.

---
 client.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/client.c b/client.c
index 91186d9..5fa3292 100644
--- a/client.c
+++ b/client.c
@@ -3,6 +3,8 @@
 #include <assert.h>
 #include <strings.h>
 #include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
 
 #include "json.h"
 #include "client.h"
@@ -51,6 +53,11 @@ static bool client_hello(int fd, struct serializer *serializer) {
 }
 
 void client_add(int fd, struct serializer *serializer) {
+	int flags = fcntl(fd, F_GETFL, 0);
+	assert(flags >= 0);
+	flags |= O_NONBLOCK;
+	assert(fcntl(fd, F_SETFL, flags) == 0);
+
 	if (!client_hello(fd, serializer)) {
 		return;
 	}