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57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Assertions.h>
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#include <AK/Function.h>
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#include <AK/IntrusiveList.h>
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#include <AK/Types.h>
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#include <Kernel/SpinLock.h>
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#include <Kernel/Time/TimeManagement.h>
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#include <Kernel/UnixTypes.h>
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namespace Kernel {
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class Process;
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class Thread;
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class WaitQueue;
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struct RegisterState;
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extern Thread* g_finalizer;
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extern WaitQueue* g_finalizer_wait_queue;
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extern Atomic<bool> g_finalizer_has_work;
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extern RecursiveSpinLock g_scheduler_lock;
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class Scheduler {
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public:
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static void initialize();
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static Thread* create_ap_idle_thread(u32 cpu);
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static void set_idle_thread(Thread* idle_thread);
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static void timer_tick(const RegisterState&);
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[[noreturn]] static void start();
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static bool pick_next();
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static bool yield();
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static void yield_from_critical();
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static bool donate_to_and_switch(Thread*, const char* reason);
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static bool donate_to(RefPtr<Thread>&, const char* reason);
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static bool context_switch(Thread*);
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static void enter_current(Thread& prev_thread, bool is_first);
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static void leave_on_first_switch(u32 flags);
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static void prepare_after_exec();
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static void prepare_for_idle_loop();
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static bool colonel_initialized();
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static Process* colonel();
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static void idle_loop(void*);
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static void invoke_async();
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static void notify_finalizer();
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static Thread& pull_next_runnable_thread();
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static bool dequeue_runnable_thread(Thread&, bool = false);
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static void queue_runnable_thread(Thread&);
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static void dump_scheduler_state();
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};
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}
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