From d6263780639978db69833446e6696ef73129b670 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Sat, 24 Oct 2026 04:55:05 +0200
Subject: set O_NONBLOCK using fcntl instead of libowfat's ndelay_off

---
 proxy.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'proxy.c')

diff --git a/proxy.c b/proxy.c
index d728e5b..ec51630 100644
--- a/proxy.c
+++ b/proxy.c
@@ -7,6 +7,7 @@
 #include <arpa/inet.h>
 #include <ctype.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <pthread.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -19,7 +20,6 @@
 #include "io.h"
 #include "iob.h"
 #include "ip6.h"
-#include "ndelay.h"
 #include "scan.h"
 #include "socket.h"
 
@@ -101,7 +101,8 @@ void livesync_bind_mcast(ot_ip6 ip, uint16_t port) {
 
   if ((g_socket_in = socket_udp4()) < 0)
     exerr("Error: Cant create live sync incoming socket.");
-  ndelay_off(g_socket_in);
+
+  fcntl(g_socket_in, F_SETFL, fcntl(g_socket_in, F_GETFL, 0) & ~O_NONBLOCK);
 
   if (socket_bind4_reuse(g_socket_in, tmpip, port) == -1)
     exerr("Error: Cant bind live sync incoming socket.");
-- 
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