68 lines
1.8 KiB
C
68 lines
1.8 KiB
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 <int.h>
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#include <cpu.h>
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#include <sync.h>
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#include <mem.h>
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struct procmm_mmap_st;
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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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lock_t lock;
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struct process_st *parent;
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struct procmm_mmap_st *mmap;
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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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typedef struct procmm_area_st
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{
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uintptr_t start;
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uintptr_t end;
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uint64_t flags;
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struct procmm_mmap_st *map;
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LIST(struct procmm_area_st, areas);
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} procmm_area_t;
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typedef struct procmm_mmap_st
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{
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process_t *proc;
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page_table *P4;
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LIST(struct procmm_area_st, areas);
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procmm_area_t *brk;
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procmm_area_t *stack;
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} procmm_mmap_t;
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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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procmm_mmap_t *procmm_new_map(process_t *proc, procmm_mmap_t *src);
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void procmm_free_map(process_t *proc);
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void procmm_print_map(procmm_mmap_t *map);
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procmm_area_t *procmm_map(procmm_mmap_t *map, uintptr_t start, uintptr_t end, uint64_t flags);
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void procmm_unmap(procmm_area_t *a);
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size_t procmm_resize(process_t *p, procmm_area_t *a, size_t len);
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int procmm_setup(process_t *proc, size_t brk_size);
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registers_t *procmm_page_fault(registers_t *r);
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