From 46c21597b71cf2197cf7b058efa71a7554065180 Mon Sep 17 00:00:00 2001
From: Miaofei <miaofei@amazon.com>
Date: Tue, 16 Apr 2019 15:56:40 -0700
Subject: [PATCH] fix windows build

Signed-off-by: Miaofei <miaofei@amazon.com>
---
 rclcpp/include/rclcpp/qos_event.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rclcpp/include/rclcpp/qos_event.hpp b/rclcpp/include/rclcpp/qos_event.hpp
index e7a259c83f..da68ab0f39 100644
--- a/rclcpp/include/rclcpp/qos_event.hpp
+++ b/rclcpp/include/rclcpp/qos_event.hpp
@@ -56,17 +56,21 @@ struct SubscriptionEventCallbacks
 class QOSEventHandlerBase : public Waitable
 {
 public:
+  RCLCPP_PUBLIC
   virtual ~QOSEventHandlerBase();
 
   /// Get the number of ready events
+  RCLCPP_PUBLIC
   size_t
   get_number_of_ready_events() override;
 
   /// Add the Waitable to a wait set.
+  RCLCPP_PUBLIC
   bool
   add_to_wait_set(rcl_wait_set_t * wait_set) override;
 
   /// Check if the Waitable is ready.
+  RCLCPP_PUBLIC
   bool
   is_ready(rcl_wait_set_t * wait_set) override;