dataGate.h

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/*******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include <vrfStateData/vrfStateDataDefines.h>
#include <tbb/mutex.h>

#include <boost/signals2.hpp>

namespace makVrf
{
   class DT_DLL_vrfStateData DtGateLock
   {
   public:
      DtGateLock();
      
      virtual ~DtGateLock();

      bool wait(std::chrono::milliseconds timeout);

      void allowAdvance();

      void disallowAdvance();

      bool lock(double timeout = -1);
      void unlock();

      static boost::signals2::signal<void ()> signal_gateLocked;
      static boost::signals2::signal<void ()> signal_gateUnlocked;

   protected:
      tbb::mutex::scoped_lock myLock;
      bool myLocked = false;
   };
}