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https://github.com/RGBCube/serenity
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6cba80510e
Instead of processes themselves getting scheduled to finish dying, let's have a Finalizer process that wakes up whenever someone is dying. This way we can do all kinds of lock-taking in process cleanup without risking reentering the scheduler.
26 lines
611 B
C++
26 lines
611 B
C++
#pragma once
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#include <AK/Assertions.h>
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class Process;
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struct RegisterDump;
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extern Process* current;
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extern Process* g_last_fpu_process;
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extern Process* g_finalizer;
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class Scheduler {
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public:
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static void initialize();
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static void timer_tick(RegisterDump&);
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static bool pick_next();
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static void pick_next_and_switch_now();
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static void switch_now();
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static bool yield();
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static bool context_switch(Process&);
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static void prepare_to_modify_tss(Process&);
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static Process* colonel();
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static bool is_active();
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private:
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static void prepare_for_iret_to_new_process();
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};
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