From f603ae175b987549f5cd033bf107e1de8fb2ba78 Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Tue, 11 Feb 2014 19:22:21 -0800
Subject: [PATCH] Add chrono APIs to DeadlineTimer

---
 modules/beast_core/thread/DeadlineTimer.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/modules/beast_core/thread/DeadlineTimer.h b/modules/beast_core/thread/DeadlineTimer.h
index 3fe462adef..e8d8540a65 100644
--- a/modules/beast_core/thread/DeadlineTimer.h
+++ b/modules/beast_core/thread/DeadlineTimer.h
@@ -63,8 +63,17 @@ public:
                                     will send a notification. This must be
                                     greater than zero.
     */
+    /** @{ */
     void setExpiration (double secondsUntilDeadline);
 
+    template <class Rep, class Period>
+    void setExpiration (std::chrono::duration <Rep, Period> const& amount)
+    {
+        setExpiration (std::chrono::duration_cast <
+            std::chrono::duration <double>> (amount).count ());
+    }
+    /** @} */
+
     /** Set the timer to go off repeatedly with the specified frequency.
         If the timer is already active, this will reset it.
         @note If the timer is already active, the old one might go off