From 6da91da08e54d02a4087eaddcbe192bd53eeaa9f Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Mon, 8 Feb 2021 18:02:36 -0800
Subject: hle: kernel: Add KSpinLock implementation.

---
 src/core/hle/kernel/k_spin_lock.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/core/hle/kernel/k_spin_lock.h

(limited to 'src/core/hle/kernel/k_spin_lock.h')

diff --git a/src/core/hle/kernel/k_spin_lock.h b/src/core/hle/kernel/k_spin_lock.h
new file mode 100644
index 000000000..12c4b2e88
--- /dev/null
+++ b/src/core/hle/kernel/k_spin_lock.h
@@ -0,0 +1,33 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+
+#include "core/hle/kernel/k_scoped_lock.h"
+
+namespace Kernel {
+
+class KSpinLock {
+public:
+    KSpinLock() = default;
+
+    KSpinLock(const KSpinLock&) = delete;
+    KSpinLock& operator=(const KSpinLock&) = delete;
+
+    KSpinLock(KSpinLock&&) = delete;
+    KSpinLock& operator=(KSpinLock&&) = delete;
+
+    void Lock();
+    void Unlock();
+    [[nodiscard]] bool TryLock();
+
+private:
+    std::atomic_flag lck = ATOMIC_FLAG_INIT;
+};
+
+using KScopedSpinLock = KScopedLock<KSpinLock>;
+
+} // namespace Kernel
-- 
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