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#pragma once
///
/// @file yt/cpp/mapreduce/interface/serialize.h
///
/// Header containing interface to enable customizable waiting.
#include <yt/cpp/mapreduce/interface/common.h>
#include <util/datetime/base.h>
namespace NThreading {
template <typename T>
class TFuture;
}
class TSystemEvent;
class TCondVar;
class TMutex;
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
///
/// @brief Interface to facilitate customizable waiting.
///
/// All the waiting functions in the library are obliged to use the methods of a wait proxy instead of direct function calls.
class IWaitProxy
: public TThrRefBase
{
public:
virtual ~IWaitProxy() = default;
///
/// @brief Wait for the future setting with timeout.
virtual bool WaitFuture(const ::NThreading::TFuture<void>& future, TDuration timeout) = 0;
///
/// @brief Wait for a system event with timeout.
virtual bool WaitEvent(TSystemEvent& event, TDuration timeout) = 0;
///
/// @brief Wait for the notification on the condition variable with timeout.
virtual bool WaitCondVar(TCondVar& condVar, TMutex& mutex, TDuration timeout) = 0;
///
/// @brief Sleep in the current thread for (approximately) specified amount of time.
virtual void Sleep(TDuration timeout) = 0;
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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