58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
|
/*
|
||
|
|
* 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
|