From fdc01be73ee749b92486c22edb21da897cfb51ff Mon Sep 17 00:00:00 2001
From: gaaclarke <30870216+gaaclarke@users.noreply.github.com>
Date: Mon, 16 Aug 2021 14:43:34 -0700
Subject: [PATCH] added log statement to timerfd_settime failure
 (flutter/engine#27974)

---
 engine/src/flutter/fml/platform/linux/timerfd.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/engine/src/flutter/fml/platform/linux/timerfd.cc b/engine/src/flutter/fml/platform/linux/timerfd.cc
index 0dbcb89ad3d..166b8619096 100644
--- a/engine/src/flutter/fml/platform/linux/timerfd.cc
+++ b/engine/src/flutter/fml/platform/linux/timerfd.cc
@@ -8,6 +8,7 @@
 #include <unistd.h>
 
 #include "flutter/fml/eintr_wrapper.h"
+#include "flutter/fml/logging.h"
 
 #if FML_TIMERFD_AVAILABLE == 0
 
@@ -48,6 +49,9 @@ bool TimerRearm(int fd, fml::TimePoint time_point) {
   spec.it_interval = spec.it_value;  // single expiry.
 
   int result = ::timerfd_settime(fd, TFD_TIMER_ABSTIME, &spec, nullptr);
+  if (result != 0) {
+    FML_DLOG(ERROR) << "timerfd_settime err:" << strerror(errno);
+  }
   return result == 0;
 }