42 lines
965 B
C
42 lines
965 B
C
|
#pragma once
|
||
|
|
#include <common/glib.h>
|
||
|
|
#include <process/process.h>
|
||
|
|
/**
|
||
|
|
* @brief 信号量的等待队列
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
struct List wait_list;
|
||
|
|
struct process_control_block *pcb;
|
||
|
|
} wait_queue_node_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 初始化等待队列
|
||
|
|
*
|
||
|
|
* @param wait_queue 等待队列
|
||
|
|
* @param pcb pcb
|
||
|
|
*/
|
||
|
|
void wait_queue_init(wait_queue_node_t *wait_queue, struct process_control_block *pcb);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 在等待队列上进行等待
|
||
|
|
*
|
||
|
|
* @param wait_queue_head 队列头指针
|
||
|
|
*/
|
||
|
|
void wait_queue_sleep_on(wait_queue_node_t * wait_queue_head);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 在等待队列上进行等待(允许中断)
|
||
|
|
*
|
||
|
|
* @param wait_queue_head 队列头指针
|
||
|
|
*/
|
||
|
|
void wait_queue_sleep_on_interriptible(wait_queue_node_t * wait_queue_head);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 唤醒在等待队列的头部的进程
|
||
|
|
*
|
||
|
|
* @param wait_queue_head 队列头
|
||
|
|
* @param state 要唤醒的进程的状态
|
||
|
|
*/
|
||
|
|
void wait_queue_wakeup(wait_queue_node_t * wait_queue_head, int64_t state);
|