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Code Issues Releases Wiki Activity

add ipc pipe (#28)

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This commit is contained in:
zzy666-hw
2022-08-20 21:47:41 +08:00
committed by GitHub
parent fd9d001d23
commit 554b73ec99
16 changed files with 283 additions and 5 deletions
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17
kernel/common/wait_queue.c
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@ -2,6 +2,7 @@
#include <sched/sched.h>
#include <process/process.h>
#include <mm/slab.h>
#include <common/spinlock.h>
/**
* @brief 初始化等待队列
@ -30,6 +31,22 @@ void wait_queue_sleep_on(wait_queue_node_t *wait_queue_head)
sched_cfs();
}
/**
* @brief 在等待队列上进行等待，同时释放自旋锁
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_on_unlock(wait_queue_node_t *wait_queue_head,
void *lock)
{
wait_queue_node_t *wait = (wait_queue_node_t *)kmalloc(sizeof(wait_queue_node_t), 0);
wait_queue_init(wait, current_pcb);
current_pcb->state = PROC_UNINTERRUPTIBLE;
list_append(&wait_queue_head->wait_list, &wait->wait_list);
spin_unlock((spinlock_t *)lock);
sched_cfs();
}
/**
* @brief 在等待队列上进行等待(允许中断)
*

9
kernel/common/wait_queue.h
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@ -1,5 +1,7 @@
#pragma once
#include <common/glib.h>
// #include <common/spinlock.h>
// #include <process/process.h>
/**
* @brief 信号量的等待队列
@ -26,6 +28,13 @@ void wait_queue_init(wait_queue_node_t *wait_queue, struct process_control_block
*/
void wait_queue_sleep_on(wait_queue_node_t * wait_queue_head);
/**
* @brief 在等待队列上进行等待,同时释放自旋锁
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_on_unlock(wait_queue_node_t *wait_queue_head,
void *lock);
/**
* @brief 在等待队列上进行等待(允许中断)
*