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
47extern "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__)
142extern pid_t getpid(void);
143extern pid_t getppid(void);
144extern pid_t getpgrp(void);
145extern uid_t getuid(void);
146extern int setpgid(pid_t, pid_t);
147extern int setpgrp(pid_t, pid_t);	/* BSD */
148
149extern int stime(const time_t *);
150
151extern long pathconf(const char *, int);
152extern long sysconf(int);
153
154extern char *getwd(char *);
155extern long gethostid(void);
156
157extern ssize_t read(int, void *, size_t);
158extern ssize_t write(int, const void *, size_t);
159extern int ioctl(int, int, ...);
160extern int close(int);
161extern off_t lseek(int, off_t, int);
162#else
163extern off_t lseek();
164#endif
165
166#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
167	!defined(__PRAGMA_REDEFINE_EXTNAME))
168#if defined(__STDC__)
169extern off64_t lseek64(int, off64_t, int);
170#else
171extern off64_t lseek64();
172#endif
173#endif  /* _LARGEFILE64_SOURCE... */
174
175#ifdef __cplusplus
176}
177#endif
178
179#endif	/* _UNISTD_H */
180