1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #ifndef _UNISTD_H 41 #define _UNISTD_H 42 43 #pragma ident "%Z%%M% %I% %E% SMI" 44 45 #include <sys/fcntl.h> 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 /* Symbolic constants for the "access" routine: */ 52 #define R_OK 4 /* Test for Read permission */ 53 #define W_OK 2 /* Test for Write permission */ 54 #define X_OK 1 /* Test for eXecute permission */ 55 #define F_OK 0 /* Test for existence of File */ 56 57 #define F_ULOCK 0 /* Unlock a previously locked region */ 58 #define F_LOCK 1 /* Lock a region for exclusive use */ 59 #define F_TLOCK 2 /* Test and lock a region for exclusive use */ 60 #define F_TEST 3 /* Test a region for other processes locks */ 61 62 63 /* Symbolic constants for the "lseek" routine: */ 64 #define SEEK_SET 0 /* Set file pointer to "offset" */ 65 #define SEEK_CUR 1 /* Set file pointer to current plus "offset" */ 66 #define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 67 68 /* Path names: */ 69 #define GF_PATH "/etc/group" /* Path name of the "group" file */ 70 #define PF_PATH "/etc/passwd" /* Path name of the "passwd" file */ 71 72 73 /* command names for POSIX sysconf */ 74 #define _SC_ARG_MAX 1 75 #define _SC_CHILD_MAX 2 76 #define _SC_CLK_TCK 3 77 #define _SC_NGROUPS_MAX 4 78 #define _SC_OPEN_MAX 5 79 #define _SC_JOB_CONTROL 6 80 #define _SC_SAVED_IDS 7 81 #define _SC_VERSION 8 82 #define _SC_PASS_MAX 9 83 #define _SC_LOGNAME_MAX 10 84 #define _SC_PAGESIZE 11 85 #define _SC_XOPEN_VERSION 12 86 /* 13 reserved for SVr4-ES/MP _SC_NACLS_MAX */ 87 /* 14 reserved for SVr4-ES/MP _SC_NPROC_CONF */ 88 /* 15 reserved for SVr4-ES/MP _SC_NPROC_ONLN */ 89 #define _SC_STREAM_MAX 16 90 #define _SC_TZNAME_MAX 17 91 92 /* command names for POSIX pathconf */ 93 94 #define _PC_LINK_MAX 1 95 #define _PC_MAX_CANON 2 96 #define _PC_MAX_INPUT 3 97 #define _PC_NAME_MAX 4 98 #define _PC_PATH_MAX 5 99 #define _PC_PIPE_BUF 6 100 #define _PC_NO_TRUNC 7 101 #define _PC_VDISABLE 8 102 #define _PC_CHOWN_RESTRICTED 9 103 #define _PC_LAST 9 104 105 /* 106 * compile-time symbolic constants, 107 * Support does not mean the feature is enabled. 108 * Use pathconf/sysconf to obtain actual configuration value. 109 */ 110 111 #define _POSIX_JOB_CONTROL 1 112 #define _POSIX_SAVED_IDS 1 113 114 #ifndef _POSIX_VDISABLE 115 #define _POSIX_VDISABLE 0 116 #endif 117 118 #define STDIN_FILENO 0 119 #define STDOUT_FILENO 1 120 #define STDERR_FILENO 2 121 122 /* Current version of POSIX */ 123 #define _POSIX_VERSION 199009L 124 125 /* large file compilation environment setup */ 126 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 127 #ifdef __PRAGMA_REDEFINE_EXTNAME 128 #pragma redefine_extname lseek lseek64 129 #else 130 #define lseek lseek64 131 #endif 132 #endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ 133 134 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 135 #ifdef __PRAGMA_REDEFINE_EXTNAME 136 #pragma redefine_extname lseek64 lseek 137 #else 138 #define lseek64 lseek 139 #endif 140 #endif /* _LP64 && _LARGEFILE64_SOURCE */ 141 142 #if defined(__STDC__) 143 extern pid_t getpid(void); 144 extern pid_t getppid(void); 145 extern pid_t getpgrp(void); 146 extern uid_t getuid(void); 147 extern int setpgid(pid_t, pid_t); 148 extern int setpgrp(pid_t, pid_t); /* BSD */ 149 150 extern int stime(const time_t *); 151 152 extern long pathconf(const char *, int); 153 extern long sysconf(int); 154 155 extern char *getwd(char *); 156 extern long gethostid(void); 157 158 extern ssize_t read(int, void *, size_t); 159 extern ssize_t write(int, const void *, size_t); 160 extern int ioctl(int, int, ...); 161 extern int close(int); 162 extern off_t lseek(int, off_t, int); 163 #else 164 extern off_t lseek(); 165 #endif 166 167 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 168 !defined(__PRAGMA_REDEFINE_EXTNAME)) 169 #if defined(__STDC__) 170 extern off64_t lseek64(int, off64_t, int); 171 #else 172 extern off64_t lseek64(); 173 #endif 174 #endif /* _LARGEFILE64_SOURCE... */ 175 176 #ifdef __cplusplus 177 } 178 #endif 179 180 #endif /* _UNISTD_H */ 181