From 5a03ec1d0ec4a82e0c404ae4dfae34b11fe292a5 Mon Sep 17 00:00:00 2001
From: William Woodall <wjwwood@gmail.com>
Date: Wed, 11 Mar 2015 22:41:44 -0700
Subject: [PATCH] [windows] use macro to declare thread local storage

---
 rclcpp/include/rclcpp/utilities.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rclcpp/include/rclcpp/utilities.hpp b/rclcpp/include/rclcpp/utilities.hpp
index 92cab04..1e03b19 100644
--- a/rclcpp/include/rclcpp/utilities.hpp
+++ b/rclcpp/include/rclcpp/utilities.hpp
@@ -27,6 +27,7 @@
 #include <mutex>
 #include <thread>
 
+#include <rmw/macros.h>
 #include <rmw/rmw.h>
 
 // Determine if sigaction is available
@@ -89,7 +90,7 @@ namespace
 namespace rclcpp
 {
 
-__thread size_t thread_id = 0;
+RMW_THREAD_LOCAL size_t thread_id = 0;
 
 namespace utilities
 {
@@ -115,6 +116,7 @@ init(int argc, char *argv[])
     throw std::runtime_error(
       std::string("Failed to set SIGINT signal handler: (" +
                   std::to_string(errno) + ")") +
+      // TODO(wjwwood): use strerror_r on POSIX and strerror_s on Windows.
       std::strerror(errno));
   }
 }