wait.c File Reference

wait functions. More...

Macros
#define	__DEBUG_HEADER__   "[WAIT ]"
	Change header.
#define	__DEBUG_LEVEL__   LOGLEVEL_NOTICE
	Set log level.

Functions
static void	__add_wait_queue (wait_queue_head_t *head, wait_queue_entry_t *wq)
	Adds the entry to the wait queue. More...
static void	__remove_wait_queue (wait_queue_head_t *head, wait_queue_entry_t *wq)
	Removes the entry from the wait queue. More...
wait_queue_entry_t *	wait_queue_entry_alloc (void)
	Allocates the memory for a wait_queue_entry. More...
void	wait_queue_entry_dealloc (wait_queue_entry_t *wait_queue_entry)
	Frees the memory of a wait_queue_entry. More...
void	init_waitqueue_entry (wait_queue_entry_t *wq, struct task_struct *task)
	Initialize the waiting queue entry. More...
void	add_wait_queue (wait_queue_head_t *head, wait_queue_entry_t *wq)
	Adds the element to the waiting queue. More...
void	remove_wait_queue (wait_queue_head_t *head, wait_queue_entry_t *wq)
	Removes the element from the waiting queue. More...

Detailed Description

wait functions.

Copyright

(c) 2014-2024 This file is distributed under the MIT License. See LICENSE.md for details.

Function Documentation

__add_wait_queue()

static void __add_wait_queue ( wait_queue_head_t *  head, wait_queue_entry_t *  wq  )

inlinestatic

Adds the entry to the wait queue.

Parameters

head	the wait queue.
wq	the entry.

__remove_wait_queue()

static void __remove_wait_queue ( wait_queue_head_t *  head, wait_queue_entry_t *  wq  )

inlinestatic

Removes the entry from the wait queue.

Parameters

head	the wait queue.
wq	the entry.

add_wait_queue()

void add_wait_queue	(	wait_queue_head_t *	head,
		wait_queue_entry_t *	wq
	)

Adds the element to the waiting queue.

Parameters

head	The head of the waiting queue.
wq	The entry we insert inside the waiting queue.

init_waitqueue_entry()

void init_waitqueue_entry	(	wait_queue_entry_t *	wq,
		struct task_struct *	task
	)

Initialize the waiting queue entry.

Parameters

wq	The entry we initialize.
task	The task associated with the entry.

remove_wait_queue()

void remove_wait_queue	(	wait_queue_head_t *	head,
		wait_queue_entry_t *	wq
	)

Removes the element from the waiting queue.

Parameters

head	The head of the waiting queue.
wq	The entry we remove from the waiting queue.

wait_queue_entry_alloc()

wait_queue_entry_t* wait_queue_entry_alloc

(

void

)

Allocates the memory for a wait_queue_entry.

Returns

a pointer to the allocated wait_queue_entry.

wait_queue_entry_dealloc()

void wait_queue_entry_dealloc

(

wait_queue_entry_t *

wait_queue_entry

)

Frees the memory of a wait_queue_entry.

Parameters

wait_queue_entry

pointer to the wait_queue_entry.