commit f46482c9c0004ae4f5758acdff5948e15df1bae7
author Chengyu Fan <chengy.fan@gmail.com> Tue Feb 03 16:55:53 2015 -0700
committer Alex Afanasyev <alexander.afanasyev@ucla.edu> Fri Feb 06 17:40:41 2015 -0800
tree 591b4cb89a0da54b37075d57dcbe127a8695513d
parent 23989111a28af77372578acab5bd69342a1760e1

util: add isConnected() in signal::Connection and signal::ScopedConnection

Change-Id: Iddf2a084ccf137a691cd85c54003182acf0e5afd
Refs: #2308

src/util/signal-scoped-connection.hpp

diff --git a/src/util/signal-scoped-connection.hpp b/src/util/signal-scoped-connection.hpp
index 9104791..80717e5 100644
--- a/src/util/signal-scoped-connection.hpp
+++ b/src/util/signal-scoped-connection.hpp
@@ -61,6 +61,13 @@
   void
   disconnect();
 
+  /** \brief check if the connection is connected to the signal
+   *  \return false when a default-constructed connection is used, the connection is released,
+   *          or the connection is disconnected
+   */
+  bool
+  isConnected() const;
+
   /** \brief releases the connection so that it won't be disconnected
    *         when this ScopedConnection is destructed
    */