#pragma once

#include "src/kernel/fs.h"
#include "src/kernel/path.h"
#include "src/kernel/stream.h"
#include "src/lib/string.h"

#define USER_RFLAGS 0x202

typedef struct process {
  uint64_t *pml4;
  void *kernel_stack;
  fs_node_t *root;
  path_t *cwd;
  stream_t *stdin;
  stream_t *stdout;
} process_t;

typedef void (*app_t)(process_t *proc, uint8_t argc, char **argv);

extern process_t *current_process;

process_t *process_create(const process_t *parent, const uint8_t *code, uint64_t size);

void process_run(process_t *proc);

void process_destroy(process_t *proc);

#define WRITE_S(s) proc->stdout->write(proc->stdout, s, sizeof(s) - 1);
#define WRITE_D(s) proc->stdout->write(proc->stdout, s, string_length(s));