From dabff06fe8866b9d4fe99b7d53822e7da8f45920 Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Fri, 17 Sep 2021 18:30:19 +0200
Subject: [PATCH] - Linux socket layer: ignore EINTR signal during poll
 function

---
 hal/socket/linux/socket_linux.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hal/socket/linux/socket_linux.c b/hal/socket/linux/socket_linux.c
index 3c3b284c..7a60e879 100644
--- a/hal/socket/linux/socket_linux.c
+++ b/hal/socket/linux/socket_linux.c
@@ -150,6 +150,10 @@ Handleset_waitReady(HandleSet self, unsigned int timeoutMs)
     if (self->fds && self->nfds > 0) {
         int result = poll(self->fds, self->nfds, timeoutMs);
 
+        if (result == -1 && errno == EINTR) {
+            result = 0;
+        }
+
         if (result == -1) {
             if (DEBUG_SOCKET)
                 printf("SOCKET: poll error (errno: %i)\n", errno);