doc_anonymous_condition_shared_data.hpp

来自「Boost provides free peer-reviewed portab」· HPP 代码 · 共 40 行

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2007. 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)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/config_begin.hpp>
//[doc_anonymous_condition_shared_data
#include <boost/interprocess/sync/interprocess_mutex.hpp>
#include <boost/interprocess/sync/interprocess_condition.hpp>

struct trace_queue
{
   enum { LineSize = 100 };

   trace_queue()
      :  message_in(false)
   {}

   //Mutex to protect access to the queue
   boost::interprocess::interprocess_mutex      mutex;

   //Condition to wait when the queue is empty
   boost::interprocess::interprocess_condition  cond_empty;

   //Condition to wait when the queue is full
   boost::interprocess::interprocess_condition  cond_full;

   //Items to fill
   char   items[LineSize];

   //Is there any message
   bool message_in;
};
//]
#include <boost/interprocess/detail/config_end.hpp>