fifo.c File Reference

#include <isix/config.h>
#include <isix/types.h>
#include <isix/memory.h>
#include <isix/semaphore.h>
#include <isix/fifo.h>
#include <prv/semaphore.h>
#include <prv/scheduler.h>
#include <string.h>
#include <prv/fifo.h>
#include <isix/printk.h>

Include dependency graph for fifo.c:

Go to the source code of this file.

Defines
#define	ISIX_DEBUG_FIFO   ISIX_DBG_OFF
Functions
fifo_t *	isix_fifo_create (int n_elem, int elem_size)
int	isix_fifo_write (fifo_t *fifo, const void *item, tick_t timeout)
int	isix_fifo_write_isr (fifo_t *fifo, const void *item)
int	isix_fifo_read (fifo_t *fifo, void *item, tick_t timeout)
int	isix_fifo_read_isr (fifo_t *fifo, void *item)
int	isix_fifo_destroy (fifo_t *fifo)
int	isix_fifo_count (fifo_t *fifo)

---

Define Documentation

#define ISIX_DEBUG_FIFO   ISIX_DBG_OFF

Definition at line 12 of file fifo.c.

---

Function Documentation

int isix_fifo_count

(

fifo_t *

fifo

)

Definition at line 174 of file fifo.c.

References isix::ISIX_EINVARG, and isix_sem_getval().

fifo_t* isix_fifo_create	(	int	n_elem,
		int	elem_size
	)

Create queue for n elements

Parameters:

[in]	n_elem	Number of available elements in the fifo
[in]	elem_size	Size of the element

Returns:

Fifo object

Definition at line 28 of file fifo.c.

References IHANDLE_T_FIFO, isix_alloc(), isix_free(), isix_printk, isix::isix_sem_create(), and NULL.

int isix_fifo_destroy

(

fifo_t *

fifo

)

Definition at line 145 of file fifo.c.

References isix::ISIX_EBUSY, isix::ISIX_EOK, isix_free(), isix_printk, isix_sem_destroy(), isixp_enter_critical(), isixp_exit_critical(), and isixp_sem_can_destroy().

int isix_fifo_read	(	fifo_t *	fifo,
		void *	item,
		tick_t	timeout
	)

Definition at line 103 of file fifo.c.

References isix::ISIX_EINVARG, isix::ISIX_ETIMEOUT, isix_printk, isix::isix_sem_signal(), isix_sem_wait(), isixp_enter_critical(), and isixp_exit_critical().

int isix_fifo_read_isr	(	fifo_t *	fifo,
		void *	item
	)

Definition at line 124 of file fifo.c.

References isix::ISIX_EFIFOFULL, isix::ISIX_EINVARG, isix_printk, isix_sem_get_isr(), isix::isix_sem_signal_isr(), isixp_enter_critical(), and isixp_exit_critical().

int isix_fifo_write	(	fifo_t *	fifo,
		const void *	item,
		tick_t	timeout
	)

Definition at line 62 of file fifo.c.

References isix::ISIX_EINVARG, isix::ISIX_ETIMEOUT, isix_printk, isix::isix_sem_signal(), isix_sem_wait(), isixp_enter_critical(), and isixp_exit_critical().

int isix_fifo_write_isr	(	fifo_t *	fifo,
		const void *	item
	)

Definition at line 83 of file fifo.c.

References isix::ISIX_EFIFOFULL, isix::ISIX_EINVARG, isix_printk, isix_sem_get_isr(), isix::isix_sem_signal_isr(), isixp_enter_critical(), and isixp_exit_critical().