os_eventq.h File Reference

mynewt-core event and event queue abstraction More...

Detailed Description

mynewt-core event and event queue abstraction

Author

Francisco Molina franc.nosp@m.ois-.nosp@m.xavie.nosp@m.r.mo.nosp@m.lina@.nosp@m.inri.nosp@m.a.fr

Definition in file os_eventq.h.

#include <os/os_types.h>
#include "event/callback.h"

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Data Structures
struct	os_event
	Event wrapper. More...
struct	os_eventq
	Event queue wrapper. More...

Typedefs
typedef void	os_event_fn(struct os_event *ev)
	Event callback function.

Functions
static void	os_event_init (struct os_event *ev, os_event_fn *fn, void *arg)
	Init a event.
static bool	os_event_is_queued (struct os_event *ev)
	Check if event is in queue.
static void *	os_event_get_arg (struct os_event *ev)
	Returns event argument.
static void	os_event_set_arg (struct os_event *ev, void *arg)
	Set the event argument.
static void	os_event_run (struct os_event *ev)
	Runs an event.
static void	os_eventq_init (struct os_eventq *evq)
	Initialize the event queue.
static int	os_eventq_inited (struct os_eventq *evq)
	Check whether the event queue is initialized.
static void	os_eventq_deinit (struct os_eventq *evq)
	Deinitialize an event queue.
static struct os_event *	os_eventq_get (struct os_eventq *evq, os_time_t tmo)
	Get next event from event queue.
static struct os_event *	os_eventq_get_no_wait (struct os_eventq *evq)
	Get next event from event queue, non-blocking.
static void	os_eventq_put (struct os_eventq *evq, struct os_event *ev)
	Put an event on the event queue.
static void	os_eventq_remove (struct os_eventq *evq, struct os_event *ev)
	Remove an event from the queue.
static void	os_eventq_run (struct os_eventq *evq)
	Gets and runs an event from the queue callback.
static bool	os_eventq_is_empty (struct os_eventq *evq)
	Check if queue is empty.

Typedef Documentation

os_event_fn

typedef void os_event_fn(struct os_event *ev)

Event callback function.

Definition at line 51 of file os_eventq.h.

Function Documentation

os_event_get_arg()

static void * os_event_get_arg ( struct os_event *  ev )

inlinestatic

Returns event argument.

Parameters

[in]

ev

event

Definition at line 89 of file os_eventq.h.

os_event_init()

static void os_event_init ( struct os_event *  ev, os_event_fn *  fn, void *  arg  )

inlinestatic

Init a event.

Parameters

[in]	ev	pointer to event to set
[in]	fn	event callback function
[in]	arg	event argument

Definition at line 60 of file os_eventq.h.

os_event_is_queued()

static bool os_event_is_queued ( struct os_event *  ev )

inlinestatic

Check if event is in queue.

Parameters

[in]

ev

event to check

Returns

true if event is queues, false otherwise

Definition at line 79 of file os_eventq.h.

os_event_run()

static void os_event_run ( struct os_event *  ev )

inlinestatic

Runs an event.

Parameters

[in]

ev

event to run

Definition at line 110 of file os_eventq.h.

os_event_set_arg()

static void os_event_set_arg ( struct os_event *  ev, void *  arg  )

inlinestatic

Set the event argument.

Parameters

[in]	ev	event
[in]	arg	arg to set event

Definition at line 100 of file os_eventq.h.

os_eventq_deinit()

static void os_eventq_deinit ( struct os_eventq *  evq )

inlinestatic

Deinitialize an event queue.

Note

Not supported in RIOT

Parameters

[in]

evq

the event queue to deinit

Definition at line 142 of file os_eventq.h.

os_eventq_get()

static struct os_event * os_eventq_get ( struct os_eventq *  evq, os_time_t  tmo  )

inlinestatic

Get next event from event queue.

Parameters

[in]	evq	the event queue to pull an event from
[in]	tmo	timeout, OS_WAIT_FOREVER to block, 0 to return immediately

Returns

the event from the queue

Definition at line 156 of file os_eventq.h.

os_eventq_get_no_wait()

static struct os_event * os_eventq_get_no_wait ( struct os_eventq *  evq )

inlinestatic

Get next event from event queue, non-blocking.

Returns

event from the queue, or NULL if none available.

Definition at line 178 of file os_eventq.h.

os_eventq_init()

static void os_eventq_init ( struct os_eventq *  evq )

inlinestatic

Initialize the event queue.

Parameters

[in]

evq

The event queue to initialize

Definition at line 120 of file os_eventq.h.

os_eventq_inited()

static int os_eventq_inited ( struct os_eventq *  evq )

inlinestatic

Check whether the event queue is initialized.

Parameters

[in]

evq

the event queue to check

Definition at line 130 of file os_eventq.h.

os_eventq_is_empty()

static bool os_eventq_is_empty ( struct os_eventq *  evq )

inlinestatic

Check if queue is empty.

Parameters

[in]

evq

the event queue to check

Returns

true if empty, false otherwise

Definition at line 227 of file os_eventq.h.

os_eventq_put()

static void os_eventq_put ( struct os_eventq *  evq, struct os_event *  ev  )

inlinestatic

Put an event on the event queue.

Parameters

[in]	evq	event queue
[in]	ev	event to put in queue

Definition at line 193 of file os_eventq.h.

os_eventq_remove()

static void os_eventq_remove ( struct os_eventq *  evq, struct os_event *  ev  )

inlinestatic

Remove an event from the queue.

Parameters

[in]	evq	event queue to remove the event from
[in]	ev	event to remove from the queue

Definition at line 204 of file os_eventq.h.

os_eventq_run()

static void os_eventq_run ( struct os_eventq *  evq )

inlinestatic

Gets and runs an event from the queue callback.

Parameters

[in]

evq

The event queue to pull the item off.

Definition at line 214 of file os_eventq.h.