From 6fabc8700f641caebd2f8ebad86f36faab31e02e Mon Sep 17 00:00:00 2001
From: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
Date: Wed, 8 Oct 2014 18:29:11 +0200
Subject: [PATCH] core: introduce timer::rearm()

---
 core/reactor.hh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/core/reactor.hh b/core/reactor.hh
index 911a130db8..4c72385b91 100644
--- a/core/reactor.hh
+++ b/core/reactor.hh
@@ -117,6 +117,7 @@ public:
     future<> expired();
     void set_callback(callback_t&& callback);
     void arm(clock_type::time_point until, boost::optional<clock_type::duration> period = {});
+    void rearm(clock_type::time_point until, boost::optional<clock_type::duration> period = {});
     void arm(clock_type::duration delta);
     void arm_periodic(clock_type::duration delta);
     bool armed() const { return _armed; }
@@ -982,6 +983,14 @@ void timer::arm(clock_type::time_point until, boost::optional<clock_type::durati
     _queued = true;
 }
 
+inline
+void timer::rearm(clock_type::time_point until, boost::optional<clock_type::duration> period) {
+    if (_armed) {
+        cancel();
+    }
+    arm(until, period);
+}
+
 inline
 void timer::arm(clock_type::duration delta) {
     return arm(clock_type::now() + delta);