Fix error-checking when calling timerfd_create.

runtime/bin/eventhandler_linux.cc

Index: runtime/bin/eventhandler_linux.cc
diff --git a/runtime/bin/eventhandler_linux.cc b/runtime/bin/eventhandler_linux.cc
index a7a1049203df9580db8619755e7eab9fc6148681..218c1bda6bcec79815cb02f9430e1669b8d03fb9 100644
--- a/runtime/bin/eventhandler_linux.cc
+++ b/runtime/bin/eventhandler_linux.cc
@@ -68,8 +68,8 @@ EventHandlerImplementation::EventHandlerImplementation() : shutdown_(false) {
   }
   FDUtils::SetCloseOnExec(epoll_fd_);
   timer_fd_ = TEMP_FAILURE_RETRY(timerfd_create(CLOCK_REALTIME, TFD_CLOEXEC));
-  if (epoll_fd_ == -1) {
-    FATAL("Failed creating timerfd file descriptor");
+  if (timer_fd_ == -1) {
+    FATAL1("Failed creating timerfd file descriptor: %i\n", errno);

[kasperl, 2014/02/24 12:04:15]

Is the \n necessary? You don't pass it to the FATAL call above.

[Anders Johnsen, 2014/02/24 12:10:42]

You're right. Fixed.

   }
   // Register the timer_fd_ with the epoll instance.
   struct epoll_event event;