From bce3f98f1b2fd3ad5cd18b01cbb1e68dc2be29dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20Hern=C3=A1ndez?= <shs@mega.nz>
Date: Thu, 21 Dec 2017 10:06:59 +0100
Subject: [PATCH] Detect dead socket on iOS when server closed connection

It aims to solve the ticket issue #1129
(https://github.com/warmcat/libwebsockets/issues/1129).
---
 lib/ssl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ssl.c b/lib/ssl.c
index aac1e5633..53fac4f51 100644
--- a/lib/ssl.c
+++ b/lib/ssl.c
@@ -463,7 +463,7 @@ lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len)
 
 	lwsl_debug("%p: SSL_read says %d\n", wsi, n);
 	/* manpage: returning 0 means connection shut down */
-	if (!n) {
+	if (!n || (n == -1 && errno == ENOTCONN)) {
 		wsi->socket_is_permanently_unusable = 1;
 
 		return LWS_SSL_CAPABLE_ERROR;