/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*/
#define LIO_IO_SYNC 00001 /* read/write */
#define LIO_IO_ASYNC 00002 /* reada/writea/aio_write/aio_read */
#define LIO_IO_SLISTIO 00004 /* single stride sync listio */
#define LIO_IO_ALISTIO 00010 /* single stride async listio */
#define LIO_IO_SYNCV 00020 /* single-buffer readv/writev */
#define LIO_IO_SYNCP 00040 /* pread/pwrite */
#ifdef sgi
#define LIO_IO_ATYPES 00077 /* all io types */
#define LIO_IO_TYPES 00061 /* all io types, non-async */
#endif /* sgi */
#if defined(__linux__) && !defined(__UCLIBC__)
#define LIO_IO_TYPES 00061 /* all io types */
#define LIO_IO_ATYPES 00077 /* all io types */
#endif
#if defined(__sun) || defined(__hpux) || defined(_AIX) || defined(__UCLIBC__)
#define LIO_IO_TYPES 00021 /* all io types except pread/pwrite */
#endif /* linux */
#ifdef CRAY
#define LIO_IO_TYPES 00017 /* all io types */
#endif /* CRAY */
#ifndef LIO_IO_ATYPES
#define LIO_IO_ATYPES LIO_IO_TYPES
#endif
#define LIO_WAIT_NONE 00010000 /* return asap -- use with care */
#define LIO_WAIT_ACTIVE 00020000 /* spin looking at iosw fields, or EINPROGRESS */
#define LIO_WAIT_RECALL 00040000 /* call recall(2)/aio_suspend(3) */
#define LIO_WAIT_SIGPAUSE 00100000 /* call pause */
#define LIO_WAIT_SIGACTIVE 00200000 /* spin waiting for signal */
#if defined(sgi) || defined(__linux__)
#define LIO_WAIT_CBSUSPEND 00400000 /* aio_suspend waiting for callback */
#define LIO_WAIT_SIGSUSPEND 01000000 /* aio_suspend waiting for signal */
#define LIO_WAIT_ATYPES 01760000 /* all async wait types, except nowait */
#define LIO_WAIT_TYPES 00020000 /* all sync wait types (sorta) */
#endif /* sgi */
#if defined(__sun) || defined(__hpux) || defined(_AIX)
#define LIO_WAIT_TYPES 00300000 /* all wait types, except nowait */
#endif /* linux */
#ifdef CRAY
#define LIO_WAIT_TYPES 00360000 /* all wait types, except nowait */
#endif /* CRAY */
/* meta wait io */
/* 00 000 0000 */
#if defined(sgi) || defined(__linux__)
/* all callback wait types */
#define LIO_WAIT_CBTYPES (LIO_WAIT_CBSUSPEND)
/* all signal wait types */
#define LIO_WAIT_SIGTYPES (LIO_WAIT_SIGPAUSE|LIO_WAIT_SIGACTIVE|LIO_WAIT_SIGSUSPEND)
/* all aio_{read,write} or lio_listio */
#define LIO_IO_ASYNC_TYPES (LIO_IO_ASYNC|LIO_IO_SLISTIO|LIO_IO_ALISTIO)
#endif /* sgi */
#if defined(__sun) || defined(__hpux) || defined(_AIX)
/* all signal wait types */
#define LIO_WAIT_SIGTYPES (LIO_WAIT_SIGPAUSE)
#endif /* linux */
#ifdef CRAY
/* all signal wait types */
#define LIO_WAIT_SIGTYPES (LIO_WAIT_SIGPAUSE|LIO_WAIT_SIGACTIVE)
#endif /* CRAY */
/*
* This bit provides a way to randomly pick an io type and wait method.
* lio_read_buffer() and lio_write_buffer() functions will call
* lio_random_methods() with the given method.
*/
#define LIO_RANDOM 010000000
/*
* This bit provides a way for the programmer to use async i/o with
* signals and to use their own signal handler. By default,
* the signal will only be given to the system call if the wait
* method is LIO_WAIT_SIGPAUSE or LIO_WAIT_SIGACTIVE.
* Whenever these wait methods are used, libio signal handler
* will be used.
*/
#define LIO_USE_SIGNAL 020000000
/*
* prototypes/structures for functions in the libio.c module. See comments
* in that module, or man page entries for information on the individual
* functions.
*/
int stride_bounds(int offset, int stride, int nstrides,
int bytes_per_stride, int *min_byte, int *max_byte);
int lio_set_debug(int level);
int lio_parse_io_arg1(char *string);
void lio_help1(char *prefex);
int lio_parse_io_arg2(char *string, char **badtoken);
void lio_help2(char *prefex);
int lio_write_buffer(int fd, int method, char *buffer, int size,
int sig, char **errmsg, long wrd);
int lio_read_buffer(int fd, int method, char *buffer, int size,
int sig, char **errmsg, long wrd);
int lio_random_methods(long mask);
#if CRAY
#include <sys/iosw.h>
int lio_wait4asyncio(int method, int fd, struct iosw **statptr);
int lio_check_asyncio(char *io_type, int size, struct iosw *status);
#endif /* CRAY */
#if defined (sgi)
#include <aio.h>
int lio_wait4asyncio(int method, int fd, aiocb_t *aiocbp);
int lio_check_asyncio(char *io_type, int size, aiocb_t *aiocbp, int method);
#endif /* sgi */
#if defined(__linux__) && !defined(__UCLIBC__)
#include <aio.h>
int lio_wait4asyncio(int method, int fd, struct aiocb *aiocbp);
int lio_check_asyncio(char *io_type, int size, struct aiocb *aiocbp, int method);
#endif
/*
* Define the structure that contains the infomation that is used
* by the parsing and help functions.
*/
struct lio_info_type {
char *token;
int bits;
char *desc;
};
