Only report poll failures when it is something we cannot recover from.

runtime/bin/eventhandler_macos.cc

Index: runtime/bin/eventhandler_macos.cc
diff --git a/runtime/bin/eventhandler_macos.cc b/runtime/bin/eventhandler_macos.cc
index 23a65db964506bfb6c0bba21f9042c70afb76dbd..cb75febb0c5ad6f7ddd1ea5d328f04573d9a36c5 100644
--- a/runtime/bin/eventhandler_macos.cc
+++ b/runtime/bin/eventhandler_macos.cc
@@ -346,7 +346,9 @@ void* EventHandlerImplementation::Poll(void* args) {
     intptr_t millis = handler->GetTimeout();
     intptr_t result = poll(pollfds, pollfds_size, millis);
     if (result == -1) {
-      perror("Poll failed");
+      if (errno != EAGAIN && errno != EINTR) {
+        perror("Poll failed");
+      }
     } else {
       handler->HandleTimeout();
       handler->HandleEvents(pollfds, pollfds_size, result);