comparison DEPENDENCIES/generic/include/boost/asio/detail/null_event.hpp @ 101:c530137014c0

Update Boost headers (1.58.0)

 //
 // detail/null_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 

   // Destructor.
   ~null_event()
   {
   }
 
-  // Signal the event.
+  // Signal the event. (Retained for backward compatibility.)
   template <typename Lock>
   void signal(Lock&)
   {
   }
 
-  // Signal the event and unlock the mutex.
+  // Signal all waiters.
   template <typename Lock>
-  void signal_and_unlock(Lock&)
+  void signal_all(Lock&)
   {
+  }
+
+  // Unlock the mutex and signal one waiter.
+  template <typename Lock>
+  void unlock_and_signal_one(Lock&)
+  {
+  }
+
+  // If there's a waiter, unlock the mutex and signal it.
+  template <typename Lock>
+  bool maybe_unlock_and_signal_one(Lock&)
+  {
+    return false;
   }
 
   // Reset the event.
   template <typename Lock>
   void clear(Lock&)