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添加completion模块+wait_queue_head模块+schedule_timeout (#70)

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* 添加completion模块+wait_queue_head模块+schedule_timeout

* 修复一些bug

* 实现设置pcb名字和vsnprintf (#72)

* 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>

* new: FAT32删除文件的功能 (#73)

* new: 将sys_rmdir更改为sys_unlink,.且完成删除文件操作的vfs部分

* new: fat32删除文件

*bugfix: 解决创建文件时的bug

* new: 将可执行文件移动到bin目录下

* 完善completion和wait_queue_head文档，并确保测试ok。

Co-authored-by: longjin <longjin@RinGoTek.cn>
Co-authored-by: houmkh <100781004+houmkh@users.noreply.github.com>
This commit is contained in:
guanjinquan
2022-11-03 21:54:59 +08:00
committed by GitHub
parent c811947dd0
commit 09f8d6f577
15 changed files with 822 additions and 55 deletions
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82
kernel/lib/wait_queue_head.c Normal file
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#include <common/wait_queue_head.h>
#include <process/process.h>
#include <sched/sched.h>
/**
* @brief 初始化等待队列
*
* @param wait_queue 等待队列
* @param pcb pcb
*/
void wait_queue_head_init(wait_queue_head_t *wait_queue)
{
list_init(&wait_queue->wait_list);
spin_init(&wait_queue->lock);
}
/**
* @brief 在等待队列上进行等待, 但是你需要确保wait已经被init, 同时wakeup只能使用wake_up_on_stack函数。
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_with_node(wait_queue_head_t *q, wait_queue_node_t *wait)
{
BUG_ON(wait->pcb == NULL);
wait->pcb->state = PROC_UNINTERRUPTIBLE;
list_append(&q->wait_list, &wait->wait_list);
sched();
}
/**
* @brief 在等待队列上进行等待，同时释放自旋锁, 但是你需要确保wait已经被init, 同时wakeup只能使用wake_up_on_stack函数。
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_with_node_unlock(wait_queue_head_t *q, wait_queue_node_t *wait, void *lock)
{
BUG_ON(wait->pcb == NULL);
wait->pcb->state = PROC_UNINTERRUPTIBLE;
list_append(&q->wait_list, &wait->wait_list);
spin_unlock((spinlock_t *)lock);
sched();
}
/**
* @brief 在等待队列上进行等待(允许中断), 但是你需要确保wait已经被init, 同时wakeup只能使用wake_up_on_stack函数。
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_with_node_interriptible(wait_queue_head_t *q, wait_queue_node_t *wait)
{
BUG_ON(wait->pcb == NULL);
wait->pcb->state = PROC_INTERRUPTIBLE;
list_append(&q->wait_list, &wait->wait_list);
sched();
}
/**
* @brief 唤醒在等待队列的头部的进程, 但是不会free掉这个节点的空间(默认这个节点在栈上创建)
*
* @param wait_queue_head
* @param state
*/
void wait_queue_wakeup_on_stack(wait_queue_head_t *q, int64_t state)
{
if (list_empty(&q->wait_list))
return;
wait_queue_node_t *wait = container_of(list_next(&q->wait_list), wait_queue_node_t, wait_list);
// 符合唤醒条件
if (wait->pcb->state & state)
{
list_del_init(&wait->wait_list);
process_wakeup(wait->pcb);
}
}