calmsacibis995
313 lines
10 KiB
C
313 lines
10 KiB
C
#ifndef _SYS_FNCTL_H
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#define _SYS_FNCTL_H
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/* Copyright (C) 1989 Silicon Graphics, Inc. All rights reserved. */
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/* Copyright (c) 1984 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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/*#ident "@(#)kern-port:sys/fcntl.h 10.3"*/
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#ident "$Revision: 3.73 $"
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/*
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* This is POSIX/XPG Header - watch for Name space pollution
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*/
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/*#include <standards.h>*/
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#ifndef _SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#if _SGIAPI && !defined(_F_FLAGS)
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/* Irix compatibility */
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#define _F_FLAGS
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/*
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* flags for F_GETFL, F_SETFL
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*/
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#define FNDELAY 0x04 /* Non-blocking I/O */
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#define FAPPEND 0x08 /* append (writes guaranteed at the end) */
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#define FSYNC 0x10 /* synchronous write option for files */
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#define FDSYNC 0x20 /* synchronous write option for data */
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#define FRSYNC 0x40 /* synchronous data integrity read option */
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#define FNONBLOCK 0x80 /* Non-blocking I/O */
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#define FASYNC 0x1000 /* interrupt-driven I/O for sockets */
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#define FLARGEFILE 0x2000 /* open is large file aware */
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#define FNONBLK FNONBLOCK
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#define FDIRECT 0x8000
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#define FBULK 0x10000 /* loosen semantics for sequential bandwidth */
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#define FLCINVAL 0x20000 /* flush and invalidate cache on last close */
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#define FLCFLUSH 0x40000 /* flush on last close */
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#ifdef _KERNEL
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#define FDIRENT64 0x8000 /* getdents64 in use, same as FDIRECT */
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#endif /* _KERNEL */
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/*
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* open only modes
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*/
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#define FCREAT 0x0100 /* create if nonexistent */
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#define FTRUNC 0x0200 /* truncate to zero length */
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#define FEXCL 0x0400 /* error if already created */
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#define FNOCTTY 0x0800 /* don't make this tty control term */
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#endif /* _SGIAPI && !defined(_F_FLAGS) */
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/*
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* Flag values accessible to open(2) and fcntl(2)
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* (the first three and O_DIRECT can only be set by open).
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*/
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#define O_RDONLY 0
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#define O_WRONLY 1
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#define O_RDWR 2
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#define O_NDELAY 0x04 /* non-blocking I/O */
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#define O_APPEND 0x08 /* append (writes guaranteed at the end) */
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#define O_SYNC 0x10 /* synchronous write option (POSIX) */
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#define O_DSYNC 0x20 /* synchronous write option for data (POSIX)*/
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#define O_RSYNC 0x40 /* synchronous data integrity read (POSIX) */
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#define O_NONBLOCK 0x80 /* non-blocking I/O (POSIX) */
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#define O_LARGEFILE 0x2000 /* allow large file opens */
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#define O_DIRECT 0x8000 /* direct I/O */
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#define O_BULK 0x10000 /* loosen semantics for sequential bandwidth */
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#define O_LCINVAL 0x20000 /* flush and invalidate on last close */
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#define O_LCFLUSH 0x40000 /* flush on last close */
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/*
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* Flag values accessible only to open(2).
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*/
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#define O_CREAT 0x100 /* open with file create (uses third open arg) */
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#define O_TRUNC 0x200 /* open with truncation */
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#define O_EXCL 0x400 /* exclusive open */
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#define O_NOCTTY 0x800 /* don't allocate controlling tty (POSIX) */
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/* fcntl(2) requests */
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#define F_DUPFD 0 /* Duplicate fildes */
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#define F_GETFD 1 /* Get fildes flags */
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#define F_SETFD 2 /* Set fildes flags */
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#define F_GETFL 3 /* Get file flags */
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#define F_SETFL 4 /* Set file flags */
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#define F_SETLK 6 /* Set file lock */
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#define F_SETLKW 7 /* Set file lock and wait */
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#define F_CHKFL 8 /* Unused */
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#define F_ALLOCSP 10 /* Reserved */
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#define F_FREESP 11 /* Free file space */
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#define F_SETBSDLK 12 /* Set Berkeley record lock */
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#define F_SETBSDLKW 13 /* Set Berkeley record lock and wait */
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#define F_GETLK 14 /* Get file lock */
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#define F_CHKLK 15 /* check for file locks - internal use only */
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#define F_CHKLKW 16 /* check for file locks - internal use only */
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#define F_CLNLK 17 /* clean file locks - internal use only */
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#define F_RSETLK 20 /* Remote SETLK for NFS */
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#define F_RGETLK 21 /* Remote GETLK for NFS */
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#define F_RSETLKW 22 /* Remote SETLKW for NFS */
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#define F_GETOWN 23 /* Get owner (sock emulation) - sockets only */
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#define F_SETOWN 24 /* Set owner (sock emulation) - sockets only */
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#define F_DIOINFO 30 /* get direct I/O parameters */
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#define F_FSGETXATTR 31 /* get extended file attributes (xFS) */
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#define F_FSSETXATTR 32 /* set extended file attributes (xFS) */
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#define F_GETLK64 33 /* Get 64 bit file lock */
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#define F_SETLK64 34 /* Set 64 bit file lock */
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#define F_SETLKW64 35 /* Set 64 bit file lock and wait */
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#define F_ALLOCSP64 36 /* Alloc 64 bit file space */
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#define F_FREESP64 37 /* Free 64 bit file space */
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#define F_GETBMAP 38 /* Get block map (64 bit only) */
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#define F_FSSETDM 39 /* Set DMI event mask and state (XFS only) */
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#define F_RESVSP 40 /* Reserve file space. Allocate space for the
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* file without zeroing file data or changing
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* file size */
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#define F_UNRESVSP 41 /* Remove file space. */
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#define F_RESVSP64 42 /* Reserv 64 bit file space */
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#define F_UNRESVSP64 43 /* Remove 64 bit file space */
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#define F_GETBMAPA 44 /* Get block map for attributes (64 bit only) */
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#define F_FSGETXATTRA 45 /* get extended file attributes (xFS-A) */
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#define F_SETBIOSIZE 46 /* set preferred buffered I/O size (XFS-only) */
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#define F_GETBIOSIZE 47 /* get preferred buffered I/O size (XFS-only) */
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#define F_GETOPS 50 /* get operation table */
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#define F_DMAPI 51 /* get XFS DMAPI info (internal use only) */
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#define F_FSYNC 52 /* fsync a range of pages */
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#define F_FSYNC64 53 /* fsync a range of pages */
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#define F_GETBDSATTR 54 /* get attributes for a BDS filesystem */
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#define F_SETBDSATTR 55 /* set attributes for a BDS filesystem */
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#define F_GETBMAPX 56 /* Get block map (extended interface) */
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#define F_SETPRIO 57 /* set file io priority */
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#define F_GETPRIO 58 /* get file io priority */
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#if !defined(LANGUAGE_C_PLUS_PLUS) || !defined(_BSD_COMPAT)
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/*
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* File segment locking set data type - information passed to system by user.
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*/
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typedef struct flock {
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short l_type;
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short l_whence;
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off_t l_start;
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off_t l_len; /* len == 0 means until end of file */
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long l_sysid;
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pid_t l_pid;
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long l_pad[4]; /* reserve area */
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} flock_t;
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#if _LFAPI
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/*
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* File segment locking set data type for 64 bit access.
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*/
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typedef struct flock64 {
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short l_type;
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short l_whence;
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off64_t l_start;
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off64_t l_len; /* len == 0 means until end of file */
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long l_sysid;
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pid_t l_pid;
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long l_pad[4]; /* reserve area */
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} flock64_t;
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#endif /* _LFAPI */
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#if defined(_KERNEL) || defined(_KMEMUSER)
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typedef struct o_flock {
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short l_type;
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short l_whence;
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long l_start;
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long l_len; /* len == 0 means until end of file */
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short l_sysid;
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o_pid_t l_pid;
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} o_flock_t;
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#endif /* defined(_KERNEL) */
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#endif /* !C++ || !BSD */
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/*
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* File segment locking types.
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*/
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#define F_RDLCK 01 /* Read lock */
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#define F_WRLCK 02 /* Write lock */
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#define F_UNLCK 03 /* Remove lock(s) */
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/*
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* POSIX constants
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*/
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#define O_ACCMODE 3 /* Mask for file access modes */
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#define FD_CLOEXEC 1 /* close on exec flag */
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#if _SGIAPI
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/*
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* NOTE: This flag is checked only for graphics processes. It is for
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* SGI internal use only.
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*/
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#define FD_NODUP_FORK 4 /* don't dup fd on fork (sproc overrides) */
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struct biosize {
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__uint32_t biosz_flags;
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__int32_t biosz_read;
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__int32_t biosz_write;
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__int32_t dfl_biosz_read;
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__int32_t dfl_biosz_write;
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};
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/*
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* direct I/O attribute record used with F_DIOINFO
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* d_miniosz is the min xfer size, xfer size multiple and file seek offset
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* alignment.
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*/
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struct dioattr {
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unsigned d_mem; /* data buffer memory alignment */
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unsigned d_miniosz; /* min xfer size */
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unsigned d_maxiosz; /* max xfer size */
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};
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/*
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* Structure for F_FSGETXATTR[A] and F_FSSETXATTR.
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*/
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struct fsxattr {
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__uint32_t fsx_xflags; /* xflags field value (get/set) */
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__uint32_t fsx_extsize; /* extsize field value (get/set) */
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__uint32_t fsx_nextents; /* nextents field value (get) */
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char fsx_pad[16];
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};
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/*
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* Structure for F_GETBMAP.
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* On input, fill in bmv_offset and bmv_length of the first structure
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* to indicate the area of interest in the file, and bmv_entry with the
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* number of array elements given. The first structure is updated on
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* return to give the offset and length for the next call.
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*/
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struct getbmap {
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__int64_t bmv_offset; /* file offset of segment in blocks */
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__int64_t bmv_block; /* starting block (64-bit daddr_t) */
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__int64_t bmv_length; /* length of segment, blocks */
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__int32_t bmv_count; /* # of entries in array incl. first */
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__int32_t bmv_entries; /* # of entries filled in (output) */
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};
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/*
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* Structure for F_GETBMAPX. The fields bmv_offset through bmv_entries
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* are used exactly as in the getbmap structure. The getbmapx structure
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* has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
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* is only used for the first structure. It contains input flags
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* specifying F_GETBMAPX actions. The bmv_oflags field is filled in
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* by the F_GETBMAPX command for each returned structure after the first.
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*/
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struct getbmapx {
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__int64_t bmv_offset; /* file offset of segment in blocks */
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__int64_t bmv_block; /* starting block (64-bit daddr_t) */
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__int64_t bmv_length; /* length of segment, blocks */
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__int32_t bmv_count; /* # of entries in array incl. first */
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__int32_t bmv_entries; /* # of entries filled in (output). */
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__int32_t bmv_iflags; /* input flags (1st structure) */
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__int32_t bmv_oflags; /* output flags (after 1st structure) */
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__int32_t bmv_unused1; /* future use */
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__int32_t bmv_unused2; /* future use */
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};
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/* bmv_iflags values - set by F_GETBMAPX caller. */
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#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
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#define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
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#define BMV_IF_PREALLOC 0x4 /* return status BMV_OF_PREALLOC if required*/
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#define BMV_IF_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC)
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/* bmv_oflags values - returned from F_GETBMAPX for each non-header segment */
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#define BMV_OF_PREALLOC 0x1 /* segment is unwritten pre-allocation */
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/* Convert getbmap <-> getbmapx - move fields from p1 to p2. */
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#define GETBMAP_CONVERT(p1,p2) { \
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p2.bmv_offset = p1.bmv_offset; \
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p2.bmv_block = p1.bmv_block; \
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p2.bmv_length = p1.bmv_length; \
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p2.bmv_count = p1.bmv_count; \
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p2.bmv_entries = p1.bmv_entries; }
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#ifdef _KERNEL
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/* Kernel only bmv_iflags value. */
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#define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */
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#endif /* _KERNEL */
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/*
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* Structure for F_FSSETDM.
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* For use by backup and restore programs to set the XFS on-disk inode
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* fields di_dmevmask and di_dmstate. These must be set to exactly and
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* only values previously obtained via xfs_bulkstat! (Specifically the
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* xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
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*/
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struct fsdmidata {
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__int32_t fsd_dmevmask; /* corresponds to di_dmevmask */
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unsigned short fsd_padding;
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unsigned short fsd_dmstate; /* corresponds to di_dmstate */
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};
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#endif /* _SGIAPI */
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#endif /* !__SYS_FNCTL_H__ */
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