/* * 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., 59 * Temple Place - Suite 330, Boston MA 02111-1307, 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 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 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 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; };