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