From dfb4dde7630d6c5cc18401cb7c0798704ef6f157 Mon Sep 17 00:00:00 2001
From: Per Bothner <per@bothner.com>
Date: Sat, 23 Jun 2018 05:44:36 +0800
Subject: [PATCH] sockets: FD_CLOEXEC

If the user code forks, it inherits open copies of all
lws sockets, which conflict if lws later decides to
close them.
---
 lib/plat/lws-plat-unix.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/plat/lws-plat-unix.c b/lib/plat/lws-plat-unix.c
index bacc6af64..aebc22f21 100644
--- a/lib/plat/lws-plat-unix.c
+++ b/lib/plat/lws-plat-unix.c
@@ -330,6 +330,8 @@ lws_plat_set_socket_options(struct lws_vhost *vhost, int fd)
 	struct protoent *tcp_proto;
 #endif
 
+	fcntl(fd, F_SETFD, FD_CLOEXEC);
+
 	if (vhost->ka_time) {
 		/* enable keepalive on this socket */
 		optval = 1;