48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2017/12/30 Bernard The first version.
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*/
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#ifndef __AIO_H__
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#define __AIO_H__
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#include <stdio.h>
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#include <sys/signal.h>
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#include <rtdevice.h>
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struct aiocb
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{
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int aio_fildes; /* File descriptor. */
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off_t aio_offset; /* File offset. */
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volatile void *aio_buf; /* Location of buffer. */
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size_t aio_nbytes; /* Length of transfer. */
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int aio_reqprio; /* Request priority offset. */
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struct sigevent aio_sigevent; /* Signal number and value. */
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int aio_lio_opcode; /* Operation to be performed. */
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int aio_result;
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struct rt_work aio_work;
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};
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int aio_cancel(int fd, struct aiocb *cb);
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int aio_error (const struct aiocb *cb);
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int aio_fsync(int op, struct aiocb *cb);
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int aio_read(struct aiocb *cb);
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ssize_t aio_return(struct aiocb *cb);
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int aio_suspend(const struct aiocb *const list[], int nent,
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const struct timespec *timeout);
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int aio_write(struct aiocb *cb);
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int lio_listio(int mode, struct aiocb * const list[], int nent,
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struct sigevent *sig);
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#endif
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