From e916a3c85a16e888e0b1ca0a35df69950ca9dd48 Mon Sep 17 00:00:00 2001
From: Vojtech Frodl <vojtech.frodl@gmail.com>
Date: Wed, 17 Dec 2025 11:19:13 +0100
Subject: [PATCH] wait for data before async recv

---
 microprofile.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/microprofile.cpp b/microprofile.cpp
index d2e273d..3a81b3c 100644
--- a/microprofile.cpp
+++ b/microprofile.cpp
@@ -8813,6 +8813,10 @@ bool MicroProfileWebServerUpdate()
 	MicroProfileWebSocketFrame();
 	if(!MP_INVALID_SOCKET(Connection))
 	{
+		fd_set readfds;
+		FD_ZERO(&readfds);
+		FD_SET(Connection, &readfds);
+		select(0, &readfds, NULL, NULL, NULL);
 		std::lock_guard<std::recursive_mutex> Lock(MicroProfileMutex());
 		char Req[8192];
 		int nReceived = recv(Connection, Req, sizeof(Req) - 1, 0);