Do not display error message if poll yields EINTR (#1868)

* Do not display error message if poll yields EINTR Closes #1370 closes TonyRobotics/RoboWare#63 closes ericsantii/alexa-turtlesim-ros#2 * Keep abstraction compatibility
ros · Aug 4, 2020 · 5b6cf04 · 5b6cf04
1 parent a21599a
commit 5b6cf04
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/clients/roscpp/src/libros/poll_set.cpp b/clients/roscpp/src/libros/poll_set.cpp
@@ -191,7 +191,10 @@ void PollSet::update(int poll_timeout)
   boost::shared_ptr<std::vector<socket_pollfd> > ofds = poll_sockets(epfd_, &ufds_.front(), ufds_.size(), poll_timeout);
   if (!ofds)
   {
-    ROS_ERROR_STREAM("poll failed with error " << last_socket_error_string());
+    if (last_socket_error() != EINTR)
+    {
+      ROS_ERROR_STREAM("poll failed with error " << last_socket_error_string());
+    }
   }
   else
   {