47 lines
924 B
C++
47 lines
924 B
C++
#pragma once
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#include <stdint.h>
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#include "lib/linked_list.h"
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#include "lib/shared_ptr.h"
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#include "memory/virtual_memory.h"
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// Forward decl due to cyclic dependency.
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class Thread;
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class Process {
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public:
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enum State {
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UNSPECIFIED,
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SETUP,
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RUNNING,
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FINISHED,
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};
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static SharedPtr<Process> RootProcess();
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Process();
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uint64_t id() const { return id_; }
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uint64_t cr3() const { return cr3_; }
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VirtualMemory& vmm() { return vmm_; }
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void CreateThread(uint64_t entry);
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SharedPtr<Thread> GetThread(uint64_t tid);
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// Checks the state of all child threads and transitions to
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// finished if all have finished.
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void CheckState();
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State GetState() { return state_; }
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private:
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Process(uint64_t id, uint64_t cr3) : id_(id), cr3_(cr3) {}
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uint64_t id_;
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VirtualMemory vmm_;
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uint64_t cr3_;
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State state_;
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uint64_t next_thread_id_ = 0;
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LinkedList<SharedPtr<Thread>> threads_;
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};
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