/* $NetBSD: fcntl.h,v 1.10.2.1 1998/01/29 10:38:31 mellon Exp $ */ /*- * Copyright (c) 1983, 1990, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * 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 the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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. * * @(#)fcntl.h 8.3 (Berkeley) 1/21/94 */ /* * このプログラムはNetBSD用ヘッダーに * ＲＯＭファイル専用ファイルストレージ専用機能を追加したインクルードファイルである。 * * $Modifier: roi takeuchi * $Date: 2019/12/03 * $Version: 1.0.0.1 * */ #ifndef _SYS_FCNTL_H_ #define _SYS_FCNTL_H_ /* * This file includes the definitions for open and fcntl * described by POSIX for ; it also includes * related kernel definitions. */ #ifndef NOTUSE_TYPES_H /* types.hは呼ばない */ #include #elif defined(__SHC__) /* SHCの場合off_tは未定義 */ typedef long long off_t; #endif /* * File status flags: these are used by open(2), fcntl(2). * They are also used (indirectly) in the kernel file structure f_flags, * which is a superset of the open/fcntl flags. Open flags and f_flags * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags). * Open/fcntl flags begin with O_; kernel-internal flags begin with F. */ /* open-only flags */ #define O_RDONLY 0x0000 /* open for reading only */ #define O_WRONLY 0x0001 /* open for writing only */ #define O_RDWR 0x0002 /* open for reading and writing */ #define O_ACCMODE 0x0003 /* mask for above modes */ /* * Kernel encoding of open mode; separate read and write bits that are * independently testable: 1 greater than the above. * * XXX * FREAD and FWRITE are excluded from the #ifdef _KERNEL so that TIOCFLUSH, * which was documented to use FREAD/FWRITE, continues to work. */ #ifndef _POSIX_SOURCE #define FREAD 0x0001 #define FWRITE 0x0002 #endif #define O_NONBLOCK 0x0004 /* no delay */ #define O_APPEND 0x0008 /* set append mode */ #ifndef _POSIX_SOURCE #define O_SHLOCK 0x0010 /* open with shared file lock */ #define O_EXLOCK 0x0020 /* open with exclusive file lock */ #define O_ASYNC 0x0040 /* signal pgrp when data ready */ #endif #if !defined(_POSIX_SOURCE) || defined(_XOPEN_SOURCE) #define O_SYNC 0x0080 /* synchronous writes */ #endif #define O_CREAT 0x0200 /* create if nonexistant */ #define O_TRUNC 0x0400 /* truncate to zero length */ #define O_EXCL 0x0800 /* error if already exists */ /* defined by POSIX 1003.1; BSD default, but required to be distinct */ #define O_NOCTTY 0x8000 /* don't assign controlling terminal */ /* * The O_* flags used to have only F* names, which were used in the kernel * and by fcntl. We retain the F* names for the kernel f_flags field * and for backward compatibility for fcntl. */ #ifndef _POSIX_SOURCE #define FAPPEND O_APPEND /* kernel/compat */ #define FASYNC O_ASYNC /* kernel/compat */ #define FFSYNC O_SYNC /* kernel */ #ifndef _XOPEN_SOURCE #define O_FSYNC O_SYNC /* compat */ #endif #define FNONBLOCK O_NONBLOCK /* kernel */ #define FNDELAY O_NONBLOCK /* compat */ #define O_NDELAY O_NONBLOCK /* compat */ #endif /* * Constants used for fcntl(2) */ /* command values */ #define F_DUPFD 0 /* duplicate file descriptor */ #define F_GETFD 1 /* get file descriptor flags */ #define F_SETFD 2 /* set file descriptor flags */ #define F_GETFL 3 /* get file status flags */ #define F_SETFL 4 /* set file status flags */ #ifndef _POSIX_SOURCE #define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */ #define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */ #endif #define F_GETLK 7 /* get record locking information */ #define F_SETLK 8 /* set record locking information */ #define F_SETLKW 9 /* F_SETLK; wait if blocked */ /* file descriptor flags (F_GETFD, F_SETFD) */ #define FD_CLOEXEC 1 /* close-on-exec flag */ /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */ #define F_RDLCK 1 /* shared or read lock */ #define F_UNLCK 2 /* unlock */ #define F_WRLCK 3 /* exclusive or write lock */ #ifndef _POSIX_SOURCE /* lock operations for flock(2) */ #define LOCK_SH 0x01 /* shared file lock */ #define LOCK_EX 0x02 /* exclusive file lock */ #define LOCK_NB 0x04 /* don't block when locking */ #define LOCK_UN 0x08 /* unlock file */ #endif /* fseek parameters */ #ifndef SEEK_SET #define SEEK_SET 0 /* set file offset to offset */ #endif #ifndef SEEK_CUR #define SEEK_CUR 1 /* set file offset to current plus offset */ #endif #ifndef SEEK_END #define SEEK_END 2 /* set file offset to EOF plus offset */ #endif /* struct stat defintion */ #ifndef _SYS_STAT_H struct stat { unsigned int st_dev; /* inode's device */ unsigned int st_ino; /* inode's number */ unsigned int st_mode; /* inode protection mode */ unsigned int t_nlink; /* number of hard links */ unsigned int st_uid; /* user ID of the file's owner */ unsigned int st_gid; /* group ID of the file's group */ unsigned int st_rdev; /* device type */ int st_atime; /* time of last access */ long st_atimensec; /* nsec of last access */ int st_mtime; /* time of last data modification */ long st_mtimensec; /* nsec of last data modification */ int st_ctime; /* time of last file status change */ long st_ctimensec; /* nsec of last file status change */ off_t st_size; /* file size, in bytes */ off_t st_blocks; /* blocks allocated for file */ unsigned int st_blksize; /* optimal blocksize for I/O */ unsigned int st_flags; /* user defined flags for file */ unsigned int st_gen; /* file generation number */ off_t st_qspare[2]; }; #define _STAT_H_ #endif /* _SYS_STAT_H */ /* * Protections are chosen from these bits, or-ed together */ #define PROT_NONE 0x00 /* no permissions */ #define PROT_READ 0x01 /* pages can be read */ #define PROT_WRITE 0x02 /* pages can be written */ #define PROT_EXEC 0x04 /* pages can be executed */ /* * Flags contain sharing type and options. * Sharing types; choose one. */ #define MAP_SHARED 0x0001 /* share changes */ #define MAP_PRIVATE 0x0002 /* changes are private */ #define MAP_COPY 0x0004 /* "copy" region at mmap time */ struct StdFileIndex { void *sdmdev; int sdmfd; }; extern int open(const char *pathname, int flags); extern int close(int fd); extern int fstat(int fd, struct stat *buf); extern off_t lseek(int fd, off_t offset, int whence); extern long read(int fd, void *buf, long count); extern long write(int fd, const void *buf, long count); extern void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); extern int munmap(void *start, size_t length); #endif /* !_SYS_FCNTL_H_ */