xref: /illumos-gate/usr/src/ucbhead/unistd.h (revision 7c478bd9)
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