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/* -------------------------------------------
Copyright (C) 2024, t& Corporation, all rights reserved.
------------------------------------------- */
#pragma once
#include <NewKit/Defines.h>
#include <KernelKit/Timer.h>
#include <CompilerKit/CompilerKit.h>
namespace Kernel
{
class UserThread;
typedef UserThread& UserProcessRef;
/// @brief Access control class, which locks a task until one is done.
class Semaphore final
{
public:
explicit Semaphore() = default;
~Semaphore() = default;
public:
bool IsLocked() const;
bool Unlock() noexcept;
public:
void WaitForProcess() noexcept;
public:
bool Lock(UserThread& process);
bool LockOrWait(UserThread& process, TimerInterface* timer);
public:
ZKA_COPY_DEFAULT(Semaphore);
private:
UserProcessRef fLockingProcess;
};
} // namespace Kernel
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