58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
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* File : posix_aio.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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 POSIX_AIO_H__
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#define POSIX_AIO_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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