From f3d931aa7cfaf96baef8383b59a8938779541ee7 Mon Sep 17 00:00:00 2001
From: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
Date: Thu, 15 Aug 2024 18:35:34 +0200
Subject: [IMP] Moved source code into dev/ folder.

Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
---
 dev/Kernel/KernelKit/LockDelegate.hxx | 67 +++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 dev/Kernel/KernelKit/LockDelegate.hxx

(limited to 'dev/Kernel/KernelKit/LockDelegate.hxx')

diff --git a/dev/Kernel/KernelKit/LockDelegate.hxx b/dev/Kernel/KernelKit/LockDelegate.hxx
new file mode 100644
index 00000000..d678e3d4
--- /dev/null
+++ b/dev/Kernel/KernelKit/LockDelegate.hxx
@@ -0,0 +1,67 @@
+/* -------------------------------------------
+
+	Copyright ZKA Technologies.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Atom.hxx>
+#include <NewKit/Defines.hxx>
+
+namespace Kernel
+{
+	enum
+	{
+		kLockDone = 200,
+		kLockTimedOut,
+	};
+
+	/// @brief Lock condition pointer.
+	typedef Boolean* LockPtr;
+
+	/// @brief Locking delegate class, hangs until limit.
+	/// @tparam N the amount of cycles to wait.
+	template <SizeT N>
+	class LockDelegate final
+	{
+	public:
+		LockDelegate() = delete;
+
+	public:
+		explicit LockDelegate(LockPtr expr)
+		{
+			auto spin = 0U;
+
+			while (spin != N)
+			{
+				if (*expr)
+				{
+					fLockStatus | kLockDone;
+					break;
+				}
+			}
+
+			if (spin == N)
+				fLockStatus | kLockTimedOut;
+		}
+
+		~LockDelegate() = default;
+
+		LockDelegate& operator=(const LockDelegate&) = delete;
+		LockDelegate(const LockDelegate&)			 = delete;
+
+		bool Done()
+		{
+			return fLockStatus[kLockDone] == kLockDone;
+		}
+
+		bool HasTimedOut()
+		{
+			return fLockStatus[kLockTimedOut] != kLockTimedOut;
+		}
+
+	private:
+		Atom<UInt> fLockStatus;
+	};
+} // namespace Kernel
-- 
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