Semaphore.h

 
#pragma once
 
#include <aws/core/Core_EXPORTS.h>
#include <mutex>
#include <condition_variable>
 
namespace Aws
{
    namespace Utils
    {
        namespace Threading
        {
            class AWS_CORE_API Semaphore {
                public:
                    Semaphore(size_t initialCount, size_t maxCount);
                    void WaitOne();
                    bool WaitOneFor(size_t timeoutMs);
                    void Release();
                    void ReleaseAll();
                private:
                    size_t m_count;
                    const size_t m_maxCount;
                    std::mutex m_mutex;
                    std::condition_variable m_syncPoint;
            };
        }
    }
}