From 7ff92d3746fdedc76ddd778c4c5d42172665f291 Mon Sep 17 00:00:00 2001
From: Daniel Larimer <dlarimer@gmail.com>
Date: Tue, 6 Aug 2013 12:45:49 -0400
Subject: [PATCH] added ability to query cancel flag from future

---
 include/fc/thread/future.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/fc/thread/future.hpp b/include/fc/thread/future.hpp
index 06c4793..31a614c 100644
--- a/include/fc/thread/future.hpp
+++ b/include/fc/thread/future.hpp
@@ -52,6 +52,7 @@ namespace fc {
       const char* get_desc()const;
                    
       void cancel();
+      bool canceled()const { return _canceled; }
       bool ready()const;
       bool error()const;
 
@@ -195,6 +196,7 @@ namespace fc {
       bool error()const { return m_prom->error(); }
 
       void cancel()const { m_prom->cancel(); }
+      bool canceled()const { return m_prom->canceled(); }
 
       /**
        * @pre valid()
@@ -233,7 +235,8 @@ namespace fc {
         m_prom->wait_until(tp);
       }
 
-      bool valid()const { return !!m_prom;       }
+      bool valid()const    { return !!m_prom;           }
+      bool canceled()const { return m_prom->canceled(); }
 
       /// @pre valid()
       bool ready()const { return m_prom->ready(); }