mirror of
https://github.com/freebsd/freebsd-src
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c447342094
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/* XXX Conflicts with John's - not installed.
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*/
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/*-
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* Copyright (c) 1996, 1997
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* HD Associates, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by HD Associates, Inc
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* aio.h: P1003.1B-1993 Asynchronous I/O */
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#ifndef _P1003_1B_AIO_H_
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#define _P1003_1B_AIO_H_
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#include <sys/_posix.h>
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#include <sys/types.h>
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/* For struct sigevent:
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*/
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#ifdef _KERNEL
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#include <sys/signal.h>
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#else
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#include <signal.h>
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#ifdef _P1003_1B_INCLUDE_MAYBES
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#include <time.h>
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#include <fcntl.h>
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#else
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struct timespec;
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#endif
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#endif
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/* Return values: */
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#define AIO_CANCELED 0x01 /* All operations cancelled */
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#define AIO_NOTCANCELLED 0x02 /* Some not cancelled */
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#define AIO_ALLDONE 0x04 /* None were cancelled */
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/* lio_listio synchronization options */
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#define LIO_WAIT 0x08 /* Suspend until complete */
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#define LIO_NOWAIT 0x10 /* Continue operation */
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/* lio_listio element operations */
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#define LIO_READ 0x20
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#define LIO_WRITE 0x40
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#define LIO_NOP 0x80
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typedef struct aiocb * const aio_listio_ctl;
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typedef const struct aiocb * const caio_listio_ctl;
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struct aiocb {
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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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};
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#ifndef _KERNEL
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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int aio_read __P((struct aiocb *));
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int aio_write __P((struct aiocb *));
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int lio_listio __P((int, aio_listio_ctl[], int, struct sigevent *));
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int aio_error __P((const struct aiocb *));
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ssize_t aio_return __P((struct aiocb *));
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int aio_cancel __P((int, struct aiocb *));
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int aio_suspend __P((caio_listio_ctl[], int, const struct timespec *));
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int aio_fsync __P((int, struct aiocb *));
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__END_DECLS
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#endif /* _KERNEL */
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#endif /* _P1003_1B_AIO_H_ */
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