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 #include <sys/fcntl.h> 44 #include <sys/null.h> 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 /* Symbolic constants for the "access" routine: */ 51 #define R_OK 4 /* Test for Read permission */ 52 #define W_OK 2 /* Test for Write permission */ 53 #define X_OK 1 /* Test for eXecute permission */ 54 #define F_OK 0 /* Test for existence of File */ 55 56 #define F_ULOCK 0 /* Unlock a previously locked region */ 57 #define F_LOCK 1 /* Lock a region for exclusive use */ 58 #define F_TLOCK 2 /* Test and lock a region for exclusive use */ 59 #define F_TEST 3 /* Test a region for other processes locks */ 60 61 62 /* Symbolic constants for the "lseek" routine: */ 63 #define SEEK_SET 0 /* Set file pointer to "offset" */ 64 #define SEEK_CUR 1 /* Set file pointer to current plus "offset" */ 65 #define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ 66 67 /* Path names: */ 68 #define GF_PATH "/etc/group" /* Path name of the "group" file */ 69 #define PF_PATH "/etc/passwd" /* Path name of the "passwd" file */ 70 71 72 /* command names for POSIX sysconf */ 73 #define _SC_ARG_MAX 1 74 #define _SC_CHILD_MAX 2 75 #define _SC_CLK_TCK 3 76 #define _SC_NGROUPS_MAX 4 77 #define _SC_OPEN_MAX 5 78 #define _SC_JOB_CONTROL 6 79 #define _SC_SAVED_IDS 7 80 #define _SC_VERSION 8 81 #define _SC_PASS_MAX 9 82 #define _SC_LOGNAME_MAX 10 83 #define _SC_PAGESIZE 11 84 #define _SC_XOPEN_VERSION 12 85 /* 13 reserved for SVr4-ES/MP _SC_NACLS_MAX */ 86 /* 14 reserved for SVr4-ES/MP _SC_NPROC_CONF */ 87 /* 15 reserved for SVr4-ES/MP _SC_NPROC_ONLN */ 88 #define _SC_STREAM_MAX 16 89 #define _SC_TZNAME_MAX 17 90 91 /* command names for POSIX pathconf */ 92 93 #define _PC_LINK_MAX 1 94 #define _PC_MAX_CANON 2 95 #define _PC_MAX_INPUT 3 96 #define _PC_NAME_MAX 4 97 #define _PC_PATH_MAX 5 98 #define _PC_PIPE_BUF 6 99 #define _PC_NO_TRUNC 7 100 #define _PC_VDISABLE 8 101 #define _PC_CHOWN_RESTRICTED 9 102 #define _PC_LAST 9 103 104 /* 105 * compile-time symbolic constants, 106 * Support does not mean the feature is enabled. 107 * Use pathconf/sysconf to obtain actual configuration value. 108 */ 109 110 #define _POSIX_JOB_CONTROL 1 111 #define _POSIX_SAVED_IDS 1 112 113 #ifndef _POSIX_VDISABLE 114 #define _POSIX_VDISABLE 0 115 #endif 116 117 #define STDIN_FILENO 0 118 #define STDOUT_FILENO 1 119 #define STDERR_FILENO 2 120 121 /* Current version of POSIX */ 122 #define _POSIX_VERSION 199009L 123 124 /* large file compilation environment setup */ 125 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 126 #ifdef __PRAGMA_REDEFINE_EXTNAME 127 #pragma redefine_extname lseek lseek64 128 #else 129 #define lseek lseek64 130 #endif 131 #endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ 132 133 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 134 #ifdef __PRAGMA_REDEFINE_EXTNAME 135 #pragma redefine_extname lseek64 lseek 136 #else 137 #define lseek64 lseek 138 #endif 139 #endif /* _LP64 && _LARGEFILE64_SOURCE */ 140 141 #if defined(__STDC__) 142 extern pid_t getpid(void); 143 extern pid_t getppid(void); 144 extern pid_t getpgrp(void); 145 extern uid_t getuid(void); 146 extern int setpgid(pid_t, pid_t); 147 extern int setpgrp(pid_t, pid_t); /* BSD */ 148 149 extern int stime(const time_t *); 150 151 extern long pathconf(const char *, int); 152 extern long sysconf(int); 153 154 extern char *getwd(char *); 155 extern long gethostid(void); 156 157 extern ssize_t read(int, void *, size_t); 158 extern ssize_t write(int, const void *, size_t); 159 extern int ioctl(int, int, ...); 160 extern int close(int); 161 extern off_t lseek(int, off_t, int); 162 #else 163 extern off_t lseek(); 164 #endif 165 166 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 167 !defined(__PRAGMA_REDEFINE_EXTNAME)) 168 #if defined(__STDC__) 169 extern off64_t lseek64(int, off64_t, int); 170 #else 171 extern off64_t lseek64(); 172 #endif 173 #endif /* _LARGEFILE64_SOURCE... */ 174 175 #ifdef __cplusplus 176 } 177 #endif 178 179 #endif /* _UNISTD_H */ 180