mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-14 01:04:38 +03:00
1f9b8f0e7c
Each Function is a heap allocation, so let's make an effort to avoid doing that during scheduling. Because of header dependencies, I had to put the runnables iteration helpers in Thread.h, which is a bit meh but at least this cuts out all the kmalloc() traffic in pick_next().
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#pragma once
|
|
|
|
#include <AK/Assertions.h>
|
|
#include <AK/Types.h>
|
|
#include <AK/Function.h>
|
|
#include <AK/IntrusiveList.h>
|
|
|
|
class Process;
|
|
class Thread;
|
|
struct RegisterDump;
|
|
struct SchedulerData;
|
|
|
|
extern Thread* current;
|
|
extern Thread* g_last_fpu_thread;
|
|
extern Thread* g_finalizer;
|
|
extern u64 g_uptime;
|
|
extern SchedulerData* g_scheduler_data;
|
|
|
|
class Scheduler {
|
|
public:
|
|
static void initialize();
|
|
static void timer_tick(RegisterDump&);
|
|
static bool pick_next();
|
|
static void pick_next_and_switch_now();
|
|
static void switch_now();
|
|
static bool yield();
|
|
static bool donate_to(Thread*, const char* reason);
|
|
static bool context_switch(Thread&);
|
|
static void prepare_to_modify_tss(Thread&);
|
|
static Process* colonel();
|
|
static bool is_active();
|
|
static void beep();
|
|
|
|
template<typename Callback>
|
|
static inline IterationDecision for_each_runnable(Callback);
|
|
|
|
template<typename Callback>
|
|
static inline IterationDecision for_each_nonrunnable(Callback);
|
|
|
|
static void init_thread(Thread& thread);
|
|
static void update_state_for_thread(Thread& thread);
|
|
|
|
private:
|
|
static void prepare_for_iret_to_new_process();
|
|
};
|