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/*
* File : posix_aio.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2017, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017/12/30 Bernard The first version.
*/
#ifndef POSIX_AIO_H__
#define POSIX_AIO_H__
struct aiocb
{
int aio_fildes; /* File descriptor. */
off_t aio_offset; /* File offset. */
volatile void *aio_buf; /* Location of buffer. */
size_t aio_nbytes; /* Length of transfer. */
int aio_reqprio; /* Request priority offset. */
struct sigevent aio_sigevent; /* Signal number and value. */
int aio_lio_opcode; /* Operation to be performed. */
int aio_result;
struct rt_work aio_work;
};
int aio_cancel(int fd, struct aiocb *cb);
int aio_error (const struct aiocb *cb);
int aio_fsync(int op, struct aiocb *cb);
int aio_read(struct aiocb *cb);
ssize_t aio_return(struct aiocb *cb);
int aio_suspend(const struct aiocb *const list[], int nent,
const struct timespec *timeout);
int aio_write(struct aiocb *cb);
int lio_listio(int mode, struct aiocb * const list[], int nent,
struct sigevent *sig);
#endif
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