Work Queue

Queued processing of work items. More...

Files
file	work-queue.h
	pipewire/work-queue.h

Data Structures
struct	pw_work_queue

Typedefs
typedef void(*	pw_work_func_t) (void *obj, void *data, int res, uint32_t id)

Functions
struct pw_work_queue *	pw_work_queue_new (struct pw_loop *loop)
	Create a new Work Queue.
void	pw_work_queue_destroy (struct pw_work_queue *queue)
	Destroy a work queue.
uint32_t	pw_work_queue_add (struct pw_work_queue *queue, void *obj, int res, pw_work_func_t func, void *data)
	Add an item to the work queue.
int	pw_work_queue_cancel (struct pw_work_queue *queue, void *obj, uint32_t id)
	Cancel a work item.
int	pw_work_queue_complete (struct pw_work_queue *queue, void *obj, uint32_t seq, int res)
	Complete a work item.

Detailed Description

Queued processing of work items.

Typedef Documentation

pw_work_func_t

typedef void(* pw_work_func_t) (void *obj, void *data, int res, uint32_t id)

Function Documentation

pw_work_queue_new()

struct pw_work_queue * pw_work_queue_new

(

struct pw_loop *

loop

)

Create a new Work Queue.

Parameters

loop	the loop to use

Returns

a newly allocated work queue

pw_work_queue_destroy()

void pw_work_queue_destroy

(

struct pw_work_queue *

queue

)

Destroy a work queue.

Parameters

queue

the work queue to destroy

pw_work_queue_add()

uint32_t pw_work_queue_add	(	struct pw_work_queue *	queue,
		void *	obj,
		int	res,
		pw_work_func_t	func,
		void *	data )

Add an item to the work queue.

Parameters

queue	the work queue
obj	the object owning the work item
res	a result code
func	a work function
data	passed to func

pw_work_queue_cancel()

int pw_work_queue_cancel	(	struct pw_work_queue *	queue,
		void *	obj,
		uint32_t	id )

Cancel a work item.

Parameters

queue	the work queue
obj	the owner object
id	the wotk id to cancel

pw_work_queue_complete()

int pw_work_queue_complete	(	struct pw_work_queue *	queue,
		void *	obj,
		uint32_t	seq,
		int	res )

Complete a work item.

Parameters

queue	the work queue
obj	the owner object
seq	the sequence number that completed
res	0 if the item was found, < 0 on error