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09f8d6f577
* 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>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
#include <common/spinlock.h>
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#include <common/wait_queue.h>
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#include <mm/slab.h>
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#include <process/process.h>
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#include <sched/sched.h>
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/**
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* @brief 初始化等待队列
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*
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* @param wait_queue 等待队列
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* @param pcb pcb
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*/
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void wait_queue_init(wait_queue_node_t *wait_queue, struct process_control_block *pcb)
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{
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list_init(&wait_queue->wait_list);
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wait_queue->pcb = pcb;
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}
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/**
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* @brief 在等待队列上进行等待
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*
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* @param wait_queue_head 队列头指针
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*/
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void wait_queue_sleep_on(wait_queue_node_t *wait_queue_head)
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{
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wait_queue_node_t *wait = (wait_queue_node_t *)kzalloc(sizeof(wait_queue_node_t), 0);
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wait_queue_init(wait, current_pcb);
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current_pcb->state = PROC_UNINTERRUPTIBLE;
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list_append(&wait_queue_head->wait_list, &wait->wait_list);
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sched();
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}
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/**
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* @brief 在等待队列上进行等待，同时释放自旋锁
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*
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* @param wait_queue_head 队列头指针
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*/
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void wait_queue_sleep_on_unlock(wait_queue_node_t *wait_queue_head,
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void *lock)
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{
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wait_queue_node_t *wait = (wait_queue_node_t *)kzalloc(sizeof(wait_queue_node_t), 0);
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wait_queue_init(wait, current_pcb);
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current_pcb->state = PROC_UNINTERRUPTIBLE;
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list_append(&wait_queue_head->wait_list, &wait->wait_list);
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spin_unlock((spinlock_t *)lock);
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sched();
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}
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/**
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* @brief 在等待队列上进行等待(允许中断)
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*
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* @param wait_queue_head 队列头指针
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*/
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void wait_queue_sleep_on_interriptible(wait_queue_node_t *wait_queue_head)
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{
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wait_queue_node_t *wait = (wait_queue_node_t *)kzalloc(sizeof(wait_queue_node_t), 0);
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wait_queue_init(wait, current_pcb);
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current_pcb->state = PROC_INTERRUPTIBLE;
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list_append(&wait_queue_head->wait_list, &wait->wait_list);
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sched();
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}
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/**
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* @brief 唤醒在等待队列的头部的进程
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*
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* @param wait_queue_head
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* @param state
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*/
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void wait_queue_wakeup(wait_queue_node_t *wait_queue_head, int64_t state)
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{
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if (list_empty(&wait_queue_head->wait_list))
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return;
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wait_queue_node_t *wait = container_of(list_next(&wait_queue_head->wait_list), wait_queue_node_t, wait_list);
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// 符合唤醒条件
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if (wait->pcb->state & state)
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{
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list_del(&wait->wait_list);
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process_wakeup(wait->pcb);
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kfree(wait);
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}
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} |