64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
#ifndef CRASHPOWEROS_TASK_H
|
|
#define CRASHPOWEROS_TASK_H
|
|
|
|
#include "memory.h"
|
|
|
|
typedef
|
|
enum task_state {
|
|
TASK_UNINIT = 0, // 未初始化
|
|
TASK_SLEEPING = 1, // 睡眠中
|
|
TASK_RUNNABLE = 2, // 可运行(也许正在运行)
|
|
TASK_ZOMBIE = 3, // 僵尸状态
|
|
TASK_DEATH = 4 // 终止状态
|
|
} task_state;
|
|
|
|
struct context {
|
|
uint32_t esp;
|
|
uint32_t ebp;
|
|
uint32_t ebx;
|
|
uint32_t esi;
|
|
uint32_t edi;
|
|
uint32_t eflags;
|
|
};
|
|
|
|
// 进程控制块 PCB
|
|
struct task_struct {
|
|
volatile task_state state; // 进程当前状态
|
|
int pid; // 进程标识符
|
|
char *name; // 进程名
|
|
void *stack; // 进程的内核栈地址
|
|
page_directory_t *pgd_dir; // 进程页表
|
|
struct context context; // 上下文信息
|
|
struct task_struct *next; // 链表指针
|
|
};
|
|
|
|
void print_proc_t(int *i,struct task_struct *base,struct task_struct *cur,int is_print);
|
|
|
|
struct task_struct* get_current();
|
|
|
|
int32_t kernel_thread(int (*fn)(void *), void *arg, char *name);
|
|
|
|
void kthread_exit();
|
|
|
|
void print_proc();
|
|
|
|
void init_sched();
|
|
|
|
void schedule();
|
|
|
|
void change_task_to(struct task_struct *next);
|
|
|
|
void task_kill(int pid);
|
|
|
|
void kill_all_task();
|
|
|
|
struct task_struct* found_task_pid(int pid);
|
|
|
|
void wait_task(struct task_struct *task);
|
|
|
|
void start_task(struct task_struct *task);
|
|
|
|
int get_procs();
|
|
|
|
#endif //CRASHPOWEROS_TASK_H
|