From b7ea481bf98e91bf665f1273d7428b19ba0d2b39 Mon Sep 17 00:00:00 2001
From: Dustin Spicuzza <dustin@virtualroadside.com>
Date: Fri, 4 May 2018 21:29:42 -0400
Subject: [PATCH] Notifier: reset updatedAlarm before waiting (#946)

- If this isn't done, then the wait will always be performed at least twice
---
 hal/src/main/native/sim/Notifier.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hal/src/main/native/sim/Notifier.cpp b/hal/src/main/native/sim/Notifier.cpp
index f975a58c0a..622c00bde2 100644
--- a/hal/src/main/native/sim/Notifier.cpp
+++ b/hal/src/main/native/sim/Notifier.cpp
@@ -136,6 +136,9 @@ uint64_t HAL_WaitForNotifierAlarm(HAL_NotifierHandle notifierHandle,
       waitTime = notifier->waitTime * 1e-6;
     }
 
+    // Don't wait twice
+    notifier->updatedAlarm = false;
+
     auto timeoutTime =
         hal::fpga_clock::epoch() + std::chrono::duration<double>(waitTime);
     notifier->cond.wait_until(lock, timeoutTime);