1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 1998 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate /* 31*7c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California 33*7c478bd9Sstevel@tonic-gate * All Rights Reserved 34*7c478bd9Sstevel@tonic-gate * 35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*7c478bd9Sstevel@tonic-gate * contributors. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate #ifndef _SYS_FILE_H 41*7c478bd9Sstevel@tonic-gate #define _SYS_FILE_H 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #ifndef _SYS_TYPES_H 44*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 45*7c478bd9Sstevel@tonic-gate #endif 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 48*7c478bd9Sstevel@tonic-gate extern "C" { 49*7c478bd9Sstevel@tonic-gate #endif 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate /* 52*7c478bd9Sstevel@tonic-gate * One file structure is allocated for each open/creat/pipe call. 53*7c478bd9Sstevel@tonic-gate * Main use is to hold the read/write pointer associated with 54*7c478bd9Sstevel@tonic-gate * each open file. 55*7c478bd9Sstevel@tonic-gate */ 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate typedef struct file 58*7c478bd9Sstevel@tonic-gate { 59*7c478bd9Sstevel@tonic-gate struct file *f_next; /* pointer to next entry */ 60*7c478bd9Sstevel@tonic-gate struct file *f_prev; /* pointer to previous entry */ 61*7c478bd9Sstevel@tonic-gate ushort_t f_flag; 62*7c478bd9Sstevel@tonic-gate cnt_t f_count; /* reference count */ 63*7c478bd9Sstevel@tonic-gate struct vnode *f_vnode; /* pointer to vnode structure */ 64*7c478bd9Sstevel@tonic-gate off_t f_offset; /* read/write character pointer */ 65*7c478bd9Sstevel@tonic-gate struct cred *f_cred; /* credentials of user who opened it */ 66*7c478bd9Sstevel@tonic-gate struct aioreq *f_aiof; /* aio file list forward link */ 67*7c478bd9Sstevel@tonic-gate struct aioreq *f_aiob; /* aio file list backward link */ 68*7c478bd9Sstevel@tonic-gate /* #ifdef MERGE */ 69*7c478bd9Sstevel@tonic-gate struct file *f_slnk; /* XENIX semaphore queue */ 70*7c478bd9Sstevel@tonic-gate /* #endif MERGE */ 71*7c478bd9Sstevel@tonic-gate } file_t; 72*7c478bd9Sstevel@tonic-gate 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate #ifndef _SYS_FCNTL_H 75*7c478bd9Sstevel@tonic-gate #include <sys/fcntl.h> 76*7c478bd9Sstevel@tonic-gate #endif 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate /* flags - see also fcntl.h */ 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate #ifndef FOPEN 81*7c478bd9Sstevel@tonic-gate #define FOPEN 0xFFFFFFFF 82*7c478bd9Sstevel@tonic-gate #define FREAD 0x01 83*7c478bd9Sstevel@tonic-gate #define FWRITE 0x02 84*7c478bd9Sstevel@tonic-gate #define FNDELAY 0x04 85*7c478bd9Sstevel@tonic-gate #define FAPPEND 0x08 86*7c478bd9Sstevel@tonic-gate #define FSYNC 0x10 87*7c478bd9Sstevel@tonic-gate #define FNONBLOCK 0x80 /* Non-blocking flag (POSIX). */ 88*7c478bd9Sstevel@tonic-gate 89*7c478bd9Sstevel@tonic-gate #define FMASK 0xff /* should be disjoint from FASYNC */ 90*7c478bd9Sstevel@tonic-gate 91*7c478bd9Sstevel@tonic-gate /* open only modes */ 92*7c478bd9Sstevel@tonic-gate 93*7c478bd9Sstevel@tonic-gate #define FCREAT 0x100 94*7c478bd9Sstevel@tonic-gate #define FTRUNC 0x200 95*7c478bd9Sstevel@tonic-gate #define FEXCL 0x400 96*7c478bd9Sstevel@tonic-gate #define FNOCTTY 0x800 /* don't allocate controlling tty (POSIX). */ 97*7c478bd9Sstevel@tonic-gate #define FASYNC 0x1000 /* asyncio is in progress */ 98*7c478bd9Sstevel@tonic-gate #define FPRIV 0x1000 /* open with private access */ 99*7c478bd9Sstevel@tonic-gate 100*7c478bd9Sstevel@tonic-gate /* file descriptor flags */ 101*7c478bd9Sstevel@tonic-gate #define FCLOSEXEC 001 /* close on exec */ 102*7c478bd9Sstevel@tonic-gate #endif 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate /* record-locking options. */ 105*7c478bd9Sstevel@tonic-gate #define F_ULOCK 0 /* Unlock a previously locked region */ 106*7c478bd9Sstevel@tonic-gate #define F_LOCK 1 /* Lock a region for exclusive use */ 107*7c478bd9Sstevel@tonic-gate #define F_TLOCK 2 /* Test and lock a region for exclusive use */ 108*7c478bd9Sstevel@tonic-gate #define F_TEST 3 /* Test a region for other processes locks */ 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate /* 111*7c478bd9Sstevel@tonic-gate * flock operations. 112*7c478bd9Sstevel@tonic-gate */ 113*7c478bd9Sstevel@tonic-gate #define LOCK_SH 1 /* shared lock */ 114*7c478bd9Sstevel@tonic-gate #define LOCK_EX 2 /* exclusive lock */ 115*7c478bd9Sstevel@tonic-gate #define LOCK_NB 4 /* don't block when locking */ 116*7c478bd9Sstevel@tonic-gate #define LOCK_UN 8 /* unlock */ 117*7c478bd9Sstevel@tonic-gate 118*7c478bd9Sstevel@tonic-gate /* 119*7c478bd9Sstevel@tonic-gate * Access call. 120*7c478bd9Sstevel@tonic-gate */ 121*7c478bd9Sstevel@tonic-gate #define F_OK 0 /* does file exist */ 122*7c478bd9Sstevel@tonic-gate #define X_OK 1 /* is it executable by caller */ 123*7c478bd9Sstevel@tonic-gate #define W_OK 2 /* writable by caller */ 124*7c478bd9Sstevel@tonic-gate #define R_OK 4 /* readable by caller */ 125*7c478bd9Sstevel@tonic-gate 126*7c478bd9Sstevel@tonic-gate /* 127*7c478bd9Sstevel@tonic-gate * Lseek call. 128*7c478bd9Sstevel@tonic-gate */ 129*7c478bd9Sstevel@tonic-gate #ifndef L_SET 130*7c478bd9Sstevel@tonic-gate #define L_SET 0 /* absolute offset */ 131*7c478bd9Sstevel@tonic-gate #define L_INCR 1 /* relative to current offset */ 132*7c478bd9Sstevel@tonic-gate #define L_XTND 2 /* relative to end of file */ 133*7c478bd9Sstevel@tonic-gate #endif 134*7c478bd9Sstevel@tonic-gate 135*7c478bd9Sstevel@tonic-gate 136*7c478bd9Sstevel@tonic-gate /* miscellaneous defines */ 137*7c478bd9Sstevel@tonic-gate 138*7c478bd9Sstevel@tonic-gate #define NULLFP ((struct file *)0) 139*7c478bd9Sstevel@tonic-gate 140*7c478bd9Sstevel@tonic-gate /* 141*7c478bd9Sstevel@tonic-gate * Count of number of entries in file list. 142*7c478bd9Sstevel@tonic-gate */ 143*7c478bd9Sstevel@tonic-gate extern unsigned int filecnt; 144*7c478bd9Sstevel@tonic-gate 145*7c478bd9Sstevel@tonic-gate /* 146*7c478bd9Sstevel@tonic-gate * routines dealing with user per-open file flags and 147*7c478bd9Sstevel@tonic-gate * user open files. getf() is declared in systm.h. It 148*7c478bd9Sstevel@tonic-gate * probably belongs here. 149*7c478bd9Sstevel@tonic-gate */ 150*7c478bd9Sstevel@tonic-gate #if defined(__STDC__) 151*7c478bd9Sstevel@tonic-gate extern void setf(int, file_t *); 152*7c478bd9Sstevel@tonic-gate extern void setpof(int, char); 153*7c478bd9Sstevel@tonic-gate extern char getpof(int); 154*7c478bd9Sstevel@tonic-gate extern int fassign(struct vnode **, int, int *); 155*7c478bd9Sstevel@tonic-gate #else 156*7c478bd9Sstevel@tonic-gate extern void setf(), setpof(); 157*7c478bd9Sstevel@tonic-gate extern char getpof(); 158*7c478bd9Sstevel@tonic-gate extern int fassign(); 159*7c478bd9Sstevel@tonic-gate #endif 160*7c478bd9Sstevel@tonic-gate 161*7c478bd9Sstevel@tonic-gate extern off_t lseek(); 162*7c478bd9Sstevel@tonic-gate 163*7c478bd9Sstevel@tonic-gate #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 164*7c478bd9Sstevel@tonic-gate !defined(__PRAGMA_REDEFINE_EXTNAME)) 165*7c478bd9Sstevel@tonic-gate #if defined(__STDC__) 166*7c478bd9Sstevel@tonic-gate extern off64_t lseek64(int, off64_t, int); 167*7c478bd9Sstevel@tonic-gate #else 168*7c478bd9Sstevel@tonic-gate extern off64_t llseek64(); 169*7c478bd9Sstevel@tonic-gate #endif 170*7c478bd9Sstevel@tonic-gate #endif /* _LARGEFILE64_SOURCE... */ 171*7c478bd9Sstevel@tonic-gate 172*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 173*7c478bd9Sstevel@tonic-gate } 174*7c478bd9Sstevel@tonic-gate #endif 175*7c478bd9Sstevel@tonic-gate 176*7c478bd9Sstevel@tonic-gate #endif /* _SYS_FILE_H */ 177