35 lines
939 B
C
35 lines
939 B
C
#pragma once
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typedef struct process_st process_t;
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#include <stdint.h>
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#include <thread.h>
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#include <mem.h>
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#include <cpu.h>
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typedef struct process_st
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{
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uint64_t pid;
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uint64_t state;
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uint64_t status;
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struct process_st *parent;
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page_table *P4;
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LIST(struct process_st, children);
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LIST(struct process_st, siblings);
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LIST(thread_t, threads);
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} process_t;
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#define PROC_STATE_READY 1
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#define PROC_STATE_RUNNING 2
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#define PROC_STATE_ZOMBIE 3
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#define PROC_STATE_DONE 4
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#define process_alive(proc) ((proc)->state == PROC_STATE_READY || (proc)->state == PROC_STATE_RUNNING)
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#define get_current_process() (get_cpu()->current_process)
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#define set_current_process(proc) (get_cpu()->current_process = (proc))
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process_t *process_spawn(process_t *parent);
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void process_attach(process_t *proc, thread_t *th);
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void switch_process(process_t *proc);
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void process_exit(process_t *proc, uint64_t status);
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void process_free(process_t *proc);
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