mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-09 15:26:47 +00:00
8e3f5674f8
* 实现pcb设置名字 * 实现设置pcb名字，实现vsnprintf * 修改set_pcb_name和va_end * bugfix: 修正一些小问题 Co-authored-by: longjin <longjin@RinGoTek.cn>
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
#pragma once
|
|
|
|
#include <common/glib.h>
|
|
#include <process/process.h>
|
|
|
|
/*
|
|
* Scheduling policies
|
|
*/
|
|
#define SCHED_NORMAL 0
|
|
#define SCHED_FIFO 1
|
|
#define SCHED_RR 2
|
|
#define SCHED_BATCH 3
|
|
/* SCHED_ISO: reserved but not implemented yet */
|
|
#define SCHED_IDLE 5
|
|
#define SCHED_DEADLINE 6
|
|
#define SCHED_MAX_POLICY_NUM SCHED_DEADLINE
|
|
|
|
#define IS_VALID_SCHED_POLICY(_policy) ((_policy) > 0 && (_policy) <= SCHED_MAX_POLICY_NUM)
|
|
|
|
struct sched_param
|
|
{
|
|
int sched_priority;
|
|
};
|
|
struct sched_attr
|
|
{
|
|
uint32_t size;
|
|
|
|
uint32_t sched_policy;
|
|
uint64_t sched_flags;
|
|
|
|
/* SCHED_NORMAL, SCHED_BATCH */
|
|
int32_t sched_nice;
|
|
|
|
/* SCHED_FIFO, SCHED_RR */
|
|
uint32_t sched_priority;
|
|
|
|
/* SCHED_DEADLINE */
|
|
uint64_t sched_runtime;
|
|
uint64_t sched_deadline;
|
|
uint64_t sched_period;
|
|
|
|
/* Utilization hints */
|
|
uint32_t sched_util_min;
|
|
uint32_t sched_util_max;
|
|
};
|
|
|
|
static int __sched_setscheduler(struct process_control_block *p, const struct sched_attr *attr, bool user, bool pi);
|
|
static int _sched_setscheduler(struct process_control_block *p, int policy, const struct sched_param *param,
|
|
bool check);
|
|
/**
|
|
* sched_setscheduler -设置进程的调度策略
|
|
* @param p 需要修改的pcb
|
|
* @param policy 需要设置的policy
|
|
* @param param structure containing the new RT priority. 目前没有用
|
|
*
|
|
* @return 成功返回0,否则返回对应的错误码
|
|
*
|
|
*/
|
|
int sched_setscheduler(struct process_control_block *p, int policy, const struct sched_param *param);
|
|
/**
|
|
* @brief 包裹sched_enqueue(),将PCB加入就绪队列
|
|
*
|
|
* @param pcb
|
|
*/
|
|
void sched_enqueue(struct process_control_block *pcb);
|
|
/**
|
|
* @brief 包裹sched_cfs()，调度函数
|
|
*
|
|
*/
|
|
void sched();
|
|
|
|
void sched_init();
|
|
|
|
/**
|
|
* @brief 当时钟中断到达时，更新时间片
|
|
*
|
|
*/
|
|
void sched_update_jiffies();
|
|
|