1 | /* |
2 | * Copyright (c) 2000-2013 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ |
29 | /* |
30 | * Copyright (c) 1989, 1993 |
31 | * The Regents of the University of California. All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. All advertising materials mentioning features or use of this software |
42 | * must display the following acknowledgement: |
43 | * This product includes software developed by the University of |
44 | * California, Berkeley and its contributors. |
45 | * 4. Neither the name of the University nor the names of its contributors |
46 | * may be used to endorse or promote products derived from this software |
47 | * without specific prior written permission. |
48 | * |
49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
59 | * SUCH DAMAGE. |
60 | * |
61 | * @(#)unistd.h 8.2 (Berkeley) 1/7/94 |
62 | */ |
63 | |
64 | #ifndef _SYS_UNISTD_H_ |
65 | #define _SYS_UNISTD_H_ |
66 | |
67 | #include <sys/cdefs.h> |
68 | |
69 | /* |
70 | * Although we have saved user/group IDs, we do not use them in setuid |
71 | * as described in POSIX 1003.1, because the feature does not work for |
72 | * root. We use the saved IDs in seteuid/setegid, which are not currently |
73 | * part of the POSIX 1003.1 specification. |
74 | */ |
75 | #ifdef _NOT_AVAILABLE |
76 | #define _POSIX_SAVED_IDS /* saved set-user-ID and set-group-ID */ |
77 | #endif |
78 | |
79 | #define _POSIX_VERSION 200112L |
80 | #define _POSIX2_VERSION 200112L |
81 | |
82 | /* execution-time symbolic constants */ |
83 | /* may disable terminal special characters */ |
84 | #include <sys/_types/_posix_vdisable.h> |
85 | |
86 | #define _POSIX_THREAD_KEYS_MAX 128 |
87 | |
88 | /* access function */ |
89 | #define F_OK 0 /* test for existence of file */ |
90 | #define X_OK (1<<0) /* test for execute or search permission */ |
91 | #define W_OK (1<<1) /* test for write permission */ |
92 | #define R_OK (1<<2) /* test for read permission */ |
93 | |
94 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
95 | /* |
96 | * Extended access functions. |
97 | * Note that we depend on these matching the definitions in sys/kauth.h, |
98 | * but with the bits shifted left by 8. |
99 | */ |
100 | #define _READ_OK (1<<9) /* read file data / read directory */ |
101 | #define _WRITE_OK (1<<10) /* write file data / add file to directory */ |
102 | #define _EXECUTE_OK (1<<11) /* execute file / search in directory*/ |
103 | #define _DELETE_OK (1<<12) /* delete file / delete directory */ |
104 | #define _APPEND_OK (1<<13) /* append to file / add subdirectory to directory */ |
105 | #define _RMFILE_OK (1<<14) /* - / remove file from directory */ |
106 | #define _RATTR_OK (1<<15) /* read basic attributes */ |
107 | #define _WATTR_OK (1<<16) /* write basic attributes */ |
108 | #define _REXT_OK (1<<17) /* read extended attributes */ |
109 | #define _WEXT_OK (1<<18) /* write extended attributes */ |
110 | #define _RPERM_OK (1<<19) /* read permissions */ |
111 | #define _WPERM_OK (1<<20) /* write permissions */ |
112 | #define _CHOWN_OK (1<<21) /* change ownership */ |
113 | |
114 | #define _ACCESS_EXTENDED_MASK (_READ_OK | _WRITE_OK | _EXECUTE_OK | \ |
115 | _DELETE_OK | _APPEND_OK | \ |
116 | _RMFILE_OK | _REXT_OK | \ |
117 | _WEXT_OK | _RATTR_OK | _WATTR_OK | _RPERM_OK | \ |
118 | _WPERM_OK | _CHOWN_OK) |
119 | #endif |
120 | |
121 | /* whence values for lseek(2) */ |
122 | #include <sys/_types/_seek_set.h> |
123 | |
124 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
125 | /* whence values for lseek(2); renamed by POSIX 1003.1 */ |
126 | #define L_SET SEEK_SET |
127 | #define L_INCR SEEK_CUR |
128 | #define L_XTND SEEK_END |
129 | #endif |
130 | |
131 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
132 | struct accessx_descriptor { |
133 | unsigned int ad_name_offset; |
134 | int ad_flags; |
135 | int ad_pad[2]; |
136 | }; |
137 | #define ACCESSX_MAX_DESCRIPTORS 100 |
138 | #define ACCESSX_MAX_TABLESIZE (16 * 1024) |
139 | #endif |
140 | |
141 | /* configurable pathname variables */ |
142 | #define _PC_LINK_MAX 1 |
143 | #define _PC_MAX_CANON 2 |
144 | #define _PC_MAX_INPUT 3 |
145 | #define _PC_NAME_MAX 4 |
146 | #define _PC_PATH_MAX 5 |
147 | #define _PC_PIPE_BUF 6 |
148 | #define _PC_CHOWN_RESTRICTED 7 |
149 | #define _PC_NO_TRUNC 8 |
150 | #define _PC_VDISABLE 9 |
151 | |
152 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
153 | #define _PC_NAME_CHARS_MAX 10 |
154 | #define _PC_CASE_SENSITIVE 11 |
155 | #define _PC_CASE_PRESERVING 12 |
156 | #define _PC_EXTENDED_SECURITY_NP 13 |
157 | #define _PC_AUTH_OPAQUE_NP 14 |
158 | #endif |
159 | |
160 | #define _PC_2_SYMLINKS 15 /* Symlink supported in directory */ |
161 | #define _PC_ALLOC_SIZE_MIN 16 /* Minimum storage actually allocated */ |
162 | #define _PC_ASYNC_IO 17 /* Async I/O [AIO] supported? */ |
163 | #define _PC_FILESIZEBITS 18 /* # of bits to represent file size */ |
164 | #define _PC_PRIO_IO 19 /* Priority I/O [PIO] supported? */ |
165 | #define _PC_REC_INCR_XFER_SIZE 20 /* Recommended increment for next two */ |
166 | #define _PC_REC_MAX_XFER_SIZE 21 /* Recommended max file transfer size */ |
167 | #define _PC_REC_MIN_XFER_SIZE 22 /* Recommended min file transfer size */ |
168 | #define _PC_REC_XFER_ALIGN 23 /* Recommended buffer alignment */ |
169 | #define _PC_SYMLINK_MAX 24 /* Max # of bytes in symlink name */ |
170 | #define _PC_SYNC_IO 25 /* Sync I/O [SIO] supported? */ |
171 | #define _PC_XATTR_SIZE_BITS 26 /* # of bits to represent maximum xattr size */ |
172 | #define _PC_MIN_HOLE_SIZE 27 /* Recommended minimum hole size for sparse files */ |
173 | |
174 | /* configurable system strings */ |
175 | #define _CS_PATH 1 |
176 | |
177 | #ifndef KERNEL |
178 | #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL |
179 | |
180 | #include <machine/_types.h> |
181 | #include <sys/_types/_size_t.h> |
182 | #include <sys/_types/_ssize_t.h> |
183 | #include <_types/_uint64_t.h> |
184 | #include <_types/_uint32_t.h> |
185 | #include <Availability.h> |
186 | |
187 | __BEGIN_DECLS |
188 | |
189 | int getattrlistbulk(int, void *, void *, size_t, uint64_t) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
190 | int getattrlistat(int, const char *, void *, void *, size_t, unsigned long) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
191 | int setattrlistat(int, const char *, void *, void *, size_t, uint32_t) __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0) __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0); |
192 | ssize_t freadlink(int, char * __restrict, size_t) __API_AVAILABLE(macos(13.0), ios(16.0), tvos(16.0), watchos(9.0), bridgeos(7.0)); |
193 | |
194 | __END_DECLS |
195 | |
196 | #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ |
197 | |
198 | #if __DARWIN_C_LEVEL >= 200809L |
199 | |
200 | #include <machine/_types.h> |
201 | #include <sys/_types/_size_t.h> |
202 | #include <sys/_types/_ssize_t.h> |
203 | #include <sys/_types.h> |
204 | #include <sys/_types/_uid_t.h> |
205 | #include <sys/_types/_gid_t.h> |
206 | #include <Availability.h> |
207 | |
208 | __BEGIN_DECLS |
209 | |
210 | int faccessat(int, const char *, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
211 | int fchownat(int, const char *, uid_t, gid_t, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
212 | int linkat(int, const char *, int, const char *, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
213 | ssize_t readlinkat(int, const char *, char *, size_t) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
214 | int symlinkat(const char *, int, const char *) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
215 | int unlinkat(int, const char *, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); |
216 | |
217 | __END_DECLS |
218 | |
219 | #endif /* __DARWIN_C_LEVEL >= 200809L */ |
220 | #endif /* !KERNEL */ |
221 | |
222 | #endif /* !_SYS_UNISTD_H_ */ |
223 | |