From 91f5f4392ecca07b71f774e4dbe1093fa70369b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Jaramago=20Fern=C3=A1ndez?=
 <jaramago.fernandez.javier@gmail.com>
Date: Wed, 27 Apr 2022 17:43:24 +0200
Subject: [PATCH] Properly handle 'EINTR' for signals for RESTAPI scripts #3838

---
 lib/proxysql_utils.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/proxysql_utils.cpp b/lib/proxysql_utils.cpp
index 64da63c2e..567435562 100644
--- a/lib/proxysql_utils.cpp
+++ b/lib/proxysql_utils.cpp
@@ -222,7 +222,7 @@ int wexecvp(
 			int select_err = select(maxfd + 1, &read_fds, NULL, NULL, &select_to);
 
 			// Unexpected error while executing 'select'
-			if (select_err < 0) {
+			if (select_err < 0 && errno != EINTR) {
 				pipe_err = -5;
 				// Backup read errno
 				errno_cpy = errno;