From 7eaf236bf5a2ec79d66de14e602e7599e54b1d01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A9lix=20MARQUET?= <felix.marquet@isen-ouest.yncrea.fr>
Date: Tue, 13 Feb 2024 17:00:54 +0100
Subject: [PATCH] Check if the clientSocket is a non-blocking socket

---
 aruco/ArucoDetector.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/aruco/ArucoDetector.cpp b/aruco/ArucoDetector.cpp
index d452b75..68bfcf2 100644
--- a/aruco/ArucoDetector.cpp
+++ b/aruco/ArucoDetector.cpp
@@ -270,6 +270,9 @@ void ArucoDetector::sendData(int serverSocket, const std::string& data) {
     }
     if(clientSocket != -1) {
         setNonBlocking(clientSocket);
+        if(fcntl(clientSocket, F_GETFL) & O_NONBLOCK) {
+            std::cout << "Socket is non-blocking" << std::endl;
+        }
         send(clientSocket, data.c_str(), data.size(), 0);
         close(clientSocket);
     }