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-rw-r--r--src/core/hle/kernel/scheduler.h73
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diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h
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+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include "common/common_types.h"
+#include "common/thread_queue_list.h"
+#include "core/arm/arm_interface.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Kernel {
+
+class Scheduler final {
+public:
+ explicit Scheduler(ARM_Interface* cpu_core);
+ ~Scheduler();
+
+ /// Returns whether there are any threads that are ready to run.
+ bool HaveReadyThreads();
+
+ /// Reschedules to the next available thread (call after current thread is suspended)
+ void Reschedule();
+
+ /// Gets the current running thread
+ Thread* GetCurrentThread() const;
+
+ /// Adds a new thread to the scheduler
+ void AddThread(SharedPtr<Thread> thread, u32 priority);
+
+ /// Removes a thread from the scheduler
+ void RemoveThread(Thread* thread);
+
+ /// Schedules a thread that has become "ready"
+ void ScheduleThread(Thread* thread, u32 priority);
+
+ /// Unschedules a thread that was already scheduled
+ void UnscheduleThread(Thread* thread, u32 priority);
+
+ /// Sets the priority of a thread in the scheduler
+ void SetThreadPriority(Thread* thread, u32 priority);
+
+ /// Returns a list of all threads managed by the scheduler
+ const std::vector<SharedPtr<Thread>>& GetThreadList() const {
+ return thread_list;
+ }
+
+private:
+ /**
+ * Pops and returns the next thread from the thread queue
+ * @return A pointer to the next ready thread
+ */
+ Thread* PopNextReadyThread();
+
+ /**
+ * Switches the CPU's active thread context to that of the specified thread
+ * @param new_thread The thread to switch to
+ */
+ void SwitchContext(Thread* new_thread);
+
+ /// Lists all thread ids that aren't deleted/etc.
+ std::vector<SharedPtr<Thread>> thread_list;
+
+ /// Lists only ready thread ids.
+ Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST + 1> ready_queue;
+
+ SharedPtr<Thread> current_thread = nullptr;
+
+ ARM_Interface* cpu_core;
+};
+
+} // namespace Kernel