From 075e73331991f38eebad4e240d1c4ac732d5e780 Mon Sep 17 00:00:00 2001
From: Sadhbh Code <sonia.kolasinska.pro@gmail.com>
Date: Thu, 4 Jun 2026 21:59:26 +0100
Subject: [PATCH] Wasix-LibC supports SOL_SOCKET + SO_KEEPALIVE, however does
 not support additional options such as TCP_KEEPIDLE, TCP_KEEPINTVL, or
 TCP_KEEPCNT - so we disable them

---
 src/unix/tcp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/unix/tcp.c b/src/unix/tcp.c
index 852c189c7a7..88f1f1df87a 100644
--- a/src/unix/tcp.c
+++ b/src/unix/tcp.c
@@ -489,6 +489,10 @@ int uv__tcp_keepalive(int fd, int on, unsigned int delay) {
   if (delay < 1)
     return UV_EINVAL;
 
+#if defined(__wasi__) || defined(__wasm32__)
+  return 0;
+#endif
+
 #ifdef __sun
   /* The implementation of TCP keep-alive on Solaris/SmartOS is a bit unusual
    * compared to other Unix-like systems.