POSIX asynchronous I/O (<aio.h>) More...

#include <stddef.h>
#include <stdint.h>
#include <signal.h>
#include <zephyr/toolchain.h>
#include <time.h>

Include dependency graph for aio.h:

Data Structures
struct	timespec
	Time value with nanosecond resolution. More...

struct	aiocb
	Asynchronous I/O control block. More...

Macros
#define	_OFF_T_DECLARED

#define	__off_t_defined

#define	__SIZE_TYPE__ unsigned long

#define	unsigned signed /* parasoft-suppress MISRAC2012-RULE_20_4-a MISRAC2012-RULE_20_4-b */
	Signed size type.

#define	_SSIZE_T_DECLARED

#define	__ssize_t_defined

#define	_TIMESPEC_DECLARED

#define	__timespec_defined

Typedefs
typedef long	off_t
	File offset type.

typedef signed long	ssize_t

Functions
int	aio_cancel (int fildes, struct aiocb *aiocbp)
	Cancel an outstanding asynchronous I/O request.

int	aio_error (const struct aiocb *aiocbp)
	Retrieve the error status of an asynchronous I/O request.

int	aio_fsync (int filedes, struct aiocb *aiocbp)
	Asynchronously synchronise a file's data and metadata to storage.

int	aio_read (struct aiocb *aiocbp)
	Enqueue an asynchronous read operation.

ssize_t	aio_return (struct aiocb *aiocbp)
	Retrieve the return status of a completed asynchronous I/O request.

int	aio_suspend (const struct aiocb const list[], int nent, const struct timespec timeout)
	Wait for one or more asynchronous I/O requests to complete.

int	aio_write (struct aiocb *aiocbp)
	Enqueue an asynchronous write operation.

int	lio_listio (int mode, struct aiocb const ZRESTRICT list[], int nent, struct sigevent ZRESTRICT sig)
	Initiate a list of asynchronous I/O requests.

Detailed Description

POSIX asynchronous I/O (<aio.h>)

Provides the aiocb control block and the asynchronous I/O functions that allow read, write, and fsync operations to proceed in the background.

See also: POSIX.1-2017 <aio.h>

Definition in file aio.h.

Macro Definition Documentation

◆ __off_t_defined

#define __off_t_defined

Definition at line 38 of file aio.h.

◆ __SIZE_TYPE__

#define __SIZE_TYPE__ unsigned long

Definition at line 42 of file aio.h.

◆ __ssize_t_defined

#define __ssize_t_defined

Definition at line 51 of file aio.h.

◆ __timespec_defined

#define __timespec_defined

Definition at line 67 of file aio.h.

◆ _OFF_T_DECLARED

#define _OFF_T_DECLARED

Definition at line 37 of file aio.h.

◆ _SSIZE_T_DECLARED

#define _SSIZE_T_DECLARED

Definition at line 50 of file aio.h.

◆ _TIMESPEC_DECLARED

#define _TIMESPEC_DECLARED

Definition at line 66 of file aio.h.

Typedef Documentation

◆ ssize_t

typedef signed long ssize_t

Definition at line 48 of file aio.h.

Data Structures

Macros

Typedefs

Functions