00001 /***************************************************************************************** 00002 Copyright (c) 2002-2004 The UbixOS Project 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are 00006 permitted provided that the following conditions are met: 00007 00008 Redistributions of source code must retain the above copyright notice, this list of 00009 conditions, the following disclaimer and the list of authors. Redistributions in binary 00010 form must reproduce the above copyright notice, this list of conditions, the following 00011 disclaimer and the list of authors in the documentation and/or other materials provided 00012 with the distribution. Neither the name of the UbixOS Project nor the names of its 00013 contributors may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 00017 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 00019 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00020 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00022 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 00023 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00024 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00025 00026 $Id$ 00027 00028 *****************************************************************************************/ 00029 00030 #ifndef _KERN_DESCRIP_H 00031 #define _KERN_DESCRIP_H 00032 00033 #include <sys/thread.h> 00034 #include <sys/sysproto.h> 00035 00036 typedef __mode_t mode_t; 00037 typedef __nlink_t nlink_t; 00038 00039 /* command values */ 00040 #define F_DUPFD 0 /* duplicate file descriptor */ 00041 #define F_GETFD 1 /* get file descriptor flags */ 00042 #define F_SETFD 2 /* set file descriptor flags */ 00043 #define F_GETFL 3 /* get file status flags */ 00044 #define F_SETFL 4 /* set file status flags */ 00045 #define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */ 00046 #define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */ 00047 #define F_GETLK 7 /* get record locking information */ 00048 #define F_SETLK 8 /* set record locking information */ 00049 #define F_SETLKW 9 /* F_SETLK; wait if blocked */ 00050 00051 /* Flag Values */ 00052 #define FREAD 0x0001 00053 #define FWRITE 0x0002 00054 #define O_NONBLOCK 0x0004 /* no delay */ 00055 #define O_APPEND 0x0008 /* set append mode */ 00056 #define O_SHLOCK 0x0010 /* open with shared file lock */ 00057 #define O_EXLOCK 0x0020 /* open with exclusive file lock */ 00058 #define O_ASYNC 0x0040 /* signal pgrp when data ready */ 00059 #define O_FSYNC 0x0080 /* synchronous writes */ 00060 #define O_SYNC 0x0080 /* POSIX synonym for O_FSYNC */ 00061 #define O_NOFOLLOW 0x0100 /* don't follow symlinks */ 00062 #define O_CREAT 0x0200 /* create if nonexistent */ 00063 #define O_TRUNC 0x0400 /* truncate to zero length */ 00064 #define O_EXCL 0x0800 /* error if already exists */ 00065 #define O_DIRECT 0x00010000 00066 #define O_RDONLY 0x0000 /* open for reading only */ 00067 #define O_WRONLY 0x0001 /* open for writing only */ 00068 #define O_RDWR 0x0002 /* open for reading and writing */ 00069 #define O_ACCMODE 0x0003 /* mask for above modes */ 00070 00071 00072 #define FHASLOCK 0x4000 /* descriptor holds advisory lock */ 00073 00074 00075 /* F MAPPERS */ 00076 #define FAPPEND O_APPEND /* kernel/compat */ 00077 #define FASYNC O_ASYNC /* kernel/compat */ 00078 #define FFSYNC O_FSYNC /* kernel */ 00079 #define FNONBLOCK O_NONBLOCK /* kernel */ 00080 #define FNDELAY O_NONBLOCK /* compat */ 00081 #define O_NDELAY O_NONBLOCK /* compat */ 00082 #define FPOSIXSHM O_NOFOLLOW 00083 00084 00085 00086 #define FCNTLFLAGS (FAPPEND|FASYNC|FFSYNC|FNONBLOCK|FPOSIXSHM|O_DIRECT) 00087 00088 #define FFLAGS(oflags) ((oflags) + 1) 00089 #define OFLAGS(fflags) ((fflags) - 1) 00090 00091 struct file { 00092 int f_flag; 00093 }; 00094 00095 /* TEMP */ 00096 struct __timespec { 00097 __time_t tv_sec; /* seconds */ 00098 long tv_nsec; /* and nanoseconds */ 00099 }; 00100 00101 struct stat { 00102 __dev_t st_dev; /* inode's device */ 00103 ino_t st_ino; /* inode's number */ 00104 mode_t st_mode; /* inode protection mode */ 00105 nlink_t st_nlink; /* number of hard links */ 00106 uid_t st_uid; /* user ID of the file's owner */ 00107 gid_t st_gid; /* group ID of the file's group */ 00108 __dev_t st_rdev; /* device type */ 00109 #if __BSD_VISIBLE 00110 struct timespec st_atimespec; /* time of last access */ 00111 struct timespec st_mtimespec; /* time of last data modification */ 00112 struct timespec st_ctimespec; /* time of last file status change */ 00113 #else 00114 time_t st_atime; /* time of last access */ 00115 long __st_atimensec; /* nsec of last access */ 00116 time_t st_mtime; /* time of last data modification */ 00117 long __st_mtimensec; /* nsec of last data modification */ 00118 time_t st_ctime; /* time of last file status change */ 00119 long __st_ctimensec; /* nsec of last file status change */ 00120 #endif 00121 off_t st_size; /* file size, in bytes */ 00122 blkcnt_t st_blocks; /* blocks allocated for file */ 00123 blksize_t st_blksize; /* optimal blocksize for I/O */ 00124 fflags_t st_flags; /* user defined flags for file */ 00125 __uint32_t st_gen; /* file generation number */ 00126 __int32_t st_lspare; 00127 #if __BSD_VISIBLE 00128 struct timespec st_birthtimespec; /* time of file creation */ 00129 /* 00130 * Explicitly pad st_birthtimespec to 16 bytes so that the size of 00131 * struct stat is backwards compatible. We use bitfields instead 00132 * of an array of chars so that this doesn't require a C99 compiler 00133 * to compile if the size of the padding is 0. We use 2 bitfields 00134 * to cover up to 64 bits on 32-bit machines. We assume that 00135 * CHAR_BIT is 8... 00136 */ 00137 unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec)); 00138 unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec)); 00139 #else 00140 time_t st_birthtime; /* time of file creation */ 00141 long st_birthtimensec; /* nsec of file creation */ 00142 unsigned int :(8 / 2) * (16 - (int)sizeof(struct __timespec)); 00143 unsigned int :(8 / 2) * (16 - (int)sizeof(struct __timespec)); 00144 #endif 00145 }; 00146 00147 00148 int fcntl(struct thread *, struct fcntl_args *); 00149 int close(struct thread *,struct close_args *); 00150 int falloc(struct thread *, struct file **, int *); 00151 int getdtablesize(struct thread *, struct getdtablesize_args *); 00152 int fstat(struct thread *, struct fstat_args *); 00153 int ioctl(struct thread *, struct ioctl_args *); 00154 00155 00156 #endif 00157 00158 /*** 00159 END 00160 ***/ 00161