shutdown_barrier.hpp

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#pragma once
 
#include <memory>
 
namespace Roar
{
    class ShutdownBarrier
    {
      public:
        ShutdownBarrier() noexcept;
        ~ShutdownBarrier();
        ShutdownBarrier(ShutdownBarrier&&);
        ShutdownBarrier(ShutdownBarrier const&) = delete;
        ShutdownBarrier& operator=(ShutdownBarrier&&);
        ShutdownBarrier& operator=(ShutdownBarrier const&) = delete;
 
        void release(int releasedWithWhatSignal);
 
        int wait();
 
      private:
        static void installSignalHandlers();
 
      private:
        struct Implementation;
        std::unique_ptr<Implementation> m_impl;
    };
 
    extern ShutdownBarrier shutdownBarrier;
}