mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-09 07:40:45 +00:00
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Assertions.h>
|
|
#include <AK/Function.h>
|
|
#include <AK/IntrusiveList.h>
|
|
#include <AK/Types.h>
|
|
#include <Kernel/Forward.h>
|
|
#include <Kernel/Locking/Spinlock.h>
|
|
#include <Kernel/Time/TimeManagement.h>
|
|
#include <Kernel/UnixTypes.h>
|
|
|
|
namespace Kernel {
|
|
|
|
struct RegisterState;
|
|
|
|
extern Thread* g_finalizer;
|
|
extern WaitQueue* g_finalizer_wait_queue;
|
|
extern Atomic<bool> g_finalizer_has_work;
|
|
extern RecursiveSpinlock<LockRank::None> g_scheduler_lock;
|
|
|
|
struct TotalTimeScheduled {
|
|
u64 total { 0 };
|
|
u64 total_kernel { 0 };
|
|
};
|
|
|
|
class Scheduler {
|
|
public:
|
|
static void initialize();
|
|
static Thread* create_ap_idle_thread(u32 cpu);
|
|
static void set_idle_thread(Thread* idle_thread);
|
|
static void timer_tick(RegisterState const&);
|
|
[[noreturn]] static void start();
|
|
static void pick_next();
|
|
static void yield();
|
|
static void context_switch(Thread*);
|
|
static void enter_current(Thread& prev_thread);
|
|
static void leave_on_first_switch(InterruptsState);
|
|
static void prepare_after_exec();
|
|
static void prepare_for_idle_loop();
|
|
static Process* colonel();
|
|
static void idle_loop(void*);
|
|
static void invoke_async();
|
|
static void notify_finalizer();
|
|
static Thread& pull_next_runnable_thread();
|
|
static Thread* peek_next_runnable_thread();
|
|
static bool dequeue_runnable_thread(Thread&, bool = false);
|
|
static void enqueue_runnable_thread(Thread&);
|
|
static void dump_scheduler_state(bool = false);
|
|
static bool is_initialized();
|
|
static TotalTimeScheduled get_total_time_scheduled();
|
|
static void add_time_scheduled(u64, bool);
|
|
};
|
|
|
|
}
|