From 4bd359f8f0ea3488ffa8b553088c96f662930b86 Mon Sep 17 00:00:00 2001
From: Dirk Thomas <dthomas@osrfoundation.org>
Date: Tue, 3 Nov 2015 14:47:34 -0800
Subject: [PATCH] fix warning about ignored return value

---
 rclcpp/include/rclcpp/utilities.hpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/rclcpp/include/rclcpp/utilities.hpp b/rclcpp/include/rclcpp/utilities.hpp
index fb913ba..9772466 100644
--- a/rclcpp/include/rclcpp/utilities.hpp
+++ b/rclcpp/include/rclcpp/utilities.hpp
@@ -140,7 +140,15 @@ init(int argc, char * argv[])
     const size_t error_length = 1024;
     char error_string[error_length];
 #ifndef _WIN32
-    strerror_r(errno, error_string, error_length);
+    auto rc = strerror_r(errno, error_string, error_length);
+    if (rc) {
+      // *INDENT-OFF*
+      throw std::runtime_error(
+        "Failed to set SIGINT signal handler: (" + std::to_string(errno) +
+        ") unable to retrieve error string");
+      // *INDENT-ON*
+    }
+
 #else
     strerror_s(error_string, error_length, errno);
 #endif