/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2016 Gary Mills * Copyright 2010 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ #ifndef __SYS_FCNTLCOM_H #define __SYS_FCNTLCOM_H #ifdef __cplusplus extern "C" { #endif /* * Rewack the FXXXXX values as _FXXXX so that _POSIX_SOURCE works. */ #define _FOPEN (-1) /* from sys/file.h, kernel use only */ #define _FREAD 0x0001 /* read enabled */ #define _FWRITE 0x0002 /* write enabled */ #define _FNDELAY 0x0004 /* non blocking I/O (4.2 style) */ #define _FAPPEND 0x0008 /* append (writes guaranteed at the end) */ #define _FMARK 0x0010 /* internal; mark during gc() */ #define _FDEFER 0x0020 /* internal; defer for next gc pass */ #define _FASYNC 0x0040 /* signal pgrp when data ready */ #define _FSHLOCK 0x0080 /* BSD flock() shared lock present */ #define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */ #define _FCREAT 0x0200 /* open with file create */ #define _FTRUNC 0x0400 /* open with truncation */ #define _FEXCL 0x0800 /* error on open if file exists */ #define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */ #define _FSYNC 0x2000 /* do all writes synchronously */ #define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */ #define _FNOCTTY 0x8000 /* don't assign a ctty on this open */ #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) /* * Flag values for open(2) and fcntl(2) * The kernel adds 1 to the open modes to turn it into some * combination of FREAD and FWRITE. */ #define O_RDONLY 0 /* +1 == FREAD */ #define O_WRONLY 1 /* +1 == FWRITE */ #define O_RDWR 2 /* +1 == FREAD|FWRITE */ #define O_APPEND _FAPPEND #define O_CREAT _FCREAT #define O_TRUNC _FTRUNC #define O_EXCL _FEXCL /* O_SYNC _FSYNC not posix, defined below */ /* O_NDELAY _FNDELAY set in include/fcntl.h */ /* O_NDELAY _FNBIO set in 5include/fcntl.h */ #define O_NONBLOCK _FNONBLOCK #define O_NOCTTY _FNOCTTY #ifndef _POSIX_SOURCE #define O_SYNC _FSYNC /* * Flags that work for fcntl(fd, F_SETFL, FXXXX) */ #define FAPPEND _FAPPEND #define FSYNC _FSYNC #define FASYNC _FASYNC #define FNBIO _FNBIO #define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */ #define FNDELAY _FNDELAY /* * Flags that are disallowed for fcntl's (FCNTLCANT); * used for opens, internal state, or locking. */ #define FREAD _FREAD #define FWRITE _FWRITE #define FMARK _FMARK #define FDEFER _FDEFER #define FSHLOCK _FSHLOCK #define FEXLOCK _FEXLOCK /* * The rest of the flags, used only for opens */ #define FOPEN _FOPEN #define FCREAT _FCREAT #define FTRUNC _FTRUNC #define FEXCL _FEXCL #define FNOCTTY _FNOCTTY #endif /* !_POSIX_SOURCE */ /* XXX close on exec request; must match UF_EXCLOSE in user.h */ #define FD_CLOEXEC 1 /* posix */ /* fcntl(2) requests */ #define F_DUPFD 0 /* Duplicate fildes */ #define F_GETFD 1 /* Get fildes flags (close on exec) */ #define F_SETFD 2 /* Set fildes flags (close on exec) */ #define F_GETFL 3 /* Get file flags */ #define F_SETFL 4 /* Set file flags */ #ifndef _POSIX_SOURCE #define F_GETOWN 5 /* Get owner - for ASYNC */ #define F_SETOWN 6 /* Set owner - for ASYNC */ #endif /* !_POSIX_SOURCE */ #define F_GETLK 7 /* Get record-locking information */ #define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */ #define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */ #ifndef _POSIX_SOURCE #define F_CNVT 12 /* Convert a fhandle to an open fd */ #endif /* !_POSIX_SOURCE */ /* Needed by flock.c */ #define F_FLOCKW F_SETLKW #define F_FLOCK F_SETLK /* fcntl(2) flags (l_type field of flock structure) */ #define F_RDLCK 1 /* read lock */ #define F_WRLCK 2 /* write lock */ #define F_UNLCK 3 /* remove lock(s) */ #ifndef _POSIX_SOURCE #define F_UNLKSYS 4 /* remove remote locks for a given system */ #endif /* !_POSIX_SOURCE */ /* needed for _syscall(SYS_openat, AT_FDCWD, ...) */ #define AT_FDCWD 0xffd19553 #define AT_SYMLINK_NOFOLLOW 0x1000 #define AT_REMOVEDIR 0x1 #include /* file segment locking set data type - information passed to system by user */ struct flock { short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ short l_whence; /* flag to choose starting offset */ long l_start; /* relative offset, in bytes */ long l_len; /* length, in bytes; 0 means lock to EOF */ short l_pid; /* returned with F_GETLK */ short l_xxx; /* reserved for future use */ }; #ifndef _POSIX_SOURCE /* extended file segment locking set data type */ struct eflock { short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ short l_whence; /* flag to choose starting offset */ long l_start; /* relative offset, in bytes */ long l_len; /* length, in bytes; 0 means lock to EOF */ short l_pid; /* returned with F_GETLK */ short l_xxx; /* reserved for future use */ long l_rpid; /* Remote process id wanting this lock */ long l_rsys; /* Remote system id wanting this lock */ }; #endif /* !_POSIX_SOURCE */ #ifndef KERNEL #include /* sigh. for the mode bits for open/creat */ int open(/* char *path, int flags, mode_t modes */); int creat(/* char *path, mode_t modes */); int fcntl(/* int fd, cmd, ... */); #endif /* !KERNEL */ #ifdef __cplusplus } #endif #endif /* __SYS_FCNTLCOM_H */