1/*
2 * Copyright (c) 2000, 2002-2006, 2008-2010, 2012 Apple Inc. All rights reserved.
3 *
4 * @APPLE_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. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23/*-
24 * Copyright (c) 1998-1999 Apple Computer, Inc. All Rights Reserved
25 * Copyright (c) 1991, 1993, 1994
26 * The Regents of the University of California. All rights reserved.
27 *
28 * Redistribution and use in source and binary forms, with or without
29 * modification, are permitted provided that the following conditions
30 * are met:
31 * 1. Redistributions of source code must retain the above copyright
32 * notice, this list of conditions and the following disclaimer.
33 * 2. Redistributions in binary form must reproduce the above copyright
34 * notice, this list of conditions and the following disclaimer in the
35 * documentation and/or other materials provided with the distribution.
36 * 3. All advertising materials mentioning features or use of this software
37 * must display the following acknowledgement:
38 * This product includes software developed by the University of
39 * California, Berkeley and its contributors.
40 * 4. Neither the name of the University nor the names of its contributors
41 * may be used to endorse or promote products derived from this software
42 * without specific prior written permission.
43 *
44 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * SUCH DAMAGE.
55 *
56 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
57 *
58 * Copyright (c) 1998 Apple Compter, Inc.
59 * All Rights Reserved
60 */
61
62/* History:
63 7/14/99 EKN at Apple fixed getdirentriesattr from getdirentryattr
64 3/26/98 CHW at Apple added real interface to searchfs call
65 3/5/98 CHW at Apple added hfs semantic system calls headers
66*/
67
68#ifndef _UNISTD_H_
69#define _UNISTD_H_
70
71#include <_types.h>
72#include <sys/unistd.h>
73#include <Availability.h>
74#include <sys/_types/_gid_t.h>
75#include <sys/_types/_intptr_t.h>
76#include <sys/_types/_off_t.h>
77#include <sys/_types/_pid_t.h>
78/* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
79 * _GCC_SIZE_T */
80#include <sys/_types/_size_t.h>
81#include <sys/_types/_ssize_t.h>
82#include <sys/_types/_uid_t.h>
83#include <sys/_types/_useconds_t.h>
84#include <sys/_types/_null.h>
85
86#define STDIN_FILENO 0 /* standard input file descriptor */
87#define STDOUT_FILENO 1 /* standard output file descriptor */
88#define STDERR_FILENO 2 /* standard error file descriptor */
89
90
91/* Version test macros */
92/* _POSIX_VERSION and _POSIX2_VERSION from sys/unistd.h */
93#define _XOPEN_VERSION 600 /* [XSI] */
94#define _XOPEN_XCU_VERSION 4 /* Older standard */
95
96
97/* Please keep this list in the same order as the applicable standard */
98#define _POSIX_ADVISORY_INFO (-1) /* [ADV] */
99#define _POSIX_ASYNCHRONOUS_IO (-1) /* [AIO] */
100#define _POSIX_BARRIERS (-1) /* [BAR] */
101#define _POSIX_CHOWN_RESTRICTED 200112L
102#define _POSIX_CLOCK_SELECTION (-1) /* [CS] */
103#define _POSIX_CPUTIME (-1) /* [CPT] */
104#define _POSIX_FSYNC 200112L /* [FSC] */
105#define _POSIX_IPV6 200112L
106#define _POSIX_JOB_CONTROL 200112L
107#define _POSIX_MAPPED_FILES 200112L /* [MF] */
108#define _POSIX_MEMLOCK (-1) /* [ML] */
109#define _POSIX_MEMLOCK_RANGE (-1) /* [MR] */
110#define _POSIX_MEMORY_PROTECTION 200112L /* [MPR] */
111#define _POSIX_MESSAGE_PASSING (-1) /* [MSG] */
112#define _POSIX_MONOTONIC_CLOCK (-1) /* [MON] */
113#define _POSIX_NO_TRUNC 200112L
114#define _POSIX_PRIORITIZED_IO (-1) /* [PIO] */
115#define _POSIX_PRIORITY_SCHEDULING (-1) /* [PS] */
116#define _POSIX_RAW_SOCKETS (-1) /* [RS] */
117#define _POSIX_READER_WRITER_LOCKS 200112L /* [THR] */
118#define _POSIX_REALTIME_SIGNALS (-1) /* [RTS] */
119#define _POSIX_REGEXP 200112L
120#define _POSIX_SAVED_IDS 200112L /* XXX required */
121#define _POSIX_SEMAPHORES (-1) /* [SEM] */
122#define _POSIX_SHARED_MEMORY_OBJECTS (-1) /* [SHM] */
123#define _POSIX_SHELL 200112L
124#define _POSIX_SPAWN (-1) /* [SPN] */
125#define _POSIX_SPIN_LOCKS (-1) /* [SPI] */
126#define _POSIX_SPORADIC_SERVER (-1) /* [SS] */
127#define _POSIX_SYNCHRONIZED_IO (-1) /* [SIO] */
128#define _POSIX_THREAD_ATTR_STACKADDR 200112L /* [TSA] */
129#define _POSIX_THREAD_ATTR_STACKSIZE 200112L /* [TSS] */
130#define _POSIX_THREAD_CPUTIME (-1) /* [TCT] */
131#define _POSIX_THREAD_PRIO_INHERIT (-1) /* [TPI] */
132#define _POSIX_THREAD_PRIO_PROTECT (-1) /* [TPP] */
133#define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) /* [TPS] */
134#define _POSIX_THREAD_PROCESS_SHARED 200112L /* [TSH] */
135#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L /* [TSF] */
136#define _POSIX_THREAD_SPORADIC_SERVER (-1) /* [TSP] */
137#define _POSIX_THREADS 200112L /* [THR] */
138#define _POSIX_TIMEOUTS (-1) /* [TMO] */
139#define _POSIX_TIMERS (-1) /* [TMR] */
140#define _POSIX_TRACE (-1) /* [TRC] */
141#define _POSIX_TRACE_EVENT_FILTER (-1) /* [TEF] */
142#define _POSIX_TRACE_INHERIT (-1) /* [TRI] */
143#define _POSIX_TRACE_LOG (-1) /* [TRL] */
144#define _POSIX_TYPED_MEMORY_OBJECTS (-1) /* [TYM] */
145#ifndef _POSIX_VDISABLE
146#define _POSIX_VDISABLE 0xff /* same as sys/termios.h */
147#endif /* _POSIX_VDISABLE */
148
149#if __DARWIN_C_LEVEL >= 199209L
150#define _POSIX2_C_BIND 200112L
151#define _POSIX2_C_DEV 200112L /* c99 command */
152#define _POSIX2_CHAR_TERM 200112L
153#define _POSIX2_FORT_DEV (-1) /* fort77 command */
154#define _POSIX2_FORT_RUN 200112L
155#define _POSIX2_LOCALEDEF 200112L /* localedef command */
156#define _POSIX2_PBS (-1)
157#define _POSIX2_PBS_ACCOUNTING (-1)
158#define _POSIX2_PBS_CHECKPOINT (-1)
159#define _POSIX2_PBS_LOCATE (-1)
160#define _POSIX2_PBS_MESSAGE (-1)
161#define _POSIX2_PBS_TRACK (-1)
162#define _POSIX2_SW_DEV 200112L
163#define _POSIX2_UPE 200112L /* XXXX no fc, newgrp, tabs */
164#endif /* __DARWIN_C_LEVEL */
165
166#define __ILP32_OFF32 (-1)
167#define __ILP32_OFFBIG (1)
168#define __LP64_OFF64 (1)
169#define __LPBIG_OFFBIG (1)
170
171#if __DARWIN_C_LEVEL >= 200112L
172#define _POSIX_V6_ILP32_OFF32 __ILP32_OFF32
173#define _POSIX_V6_ILP32_OFFBIG __ILP32_OFFBIG
174#define _POSIX_V6_LP64_OFF64 __LP64_OFF64
175#define _POSIX_V6_LPBIG_OFFBIG __LPBIG_OFFBIG
176#endif /* __DARWIN_C_LEVEL >= 200112L */
177
178#if __DARWIN_C_LEVEL >= 200809L
179#define _POSIX_V7_ILP32_OFF32 __ILP32_OFF32
180#define _POSIX_V7_ILP32_OFFBIG __ILP32_OFFBIG
181#define _POSIX_V7_LP64_OFF64 __LP64_OFF64
182#define _POSIX_V7_LPBIG_OFFBIG __LPBIG_OFFBIG
183#endif /* __DARWIN_C_LEVEL >= 200809L */
184
185#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
186#define _V6_ILP32_OFF32 __ILP32_OFF32
187#define _V6_ILP32_OFFBIG __ILP32_OFFBIG
188#define _V6_LP64_OFF64 __LP64_OFF64
189#define _V6_LPBIG_OFFBIG __LPBIG_OFFBIG
190#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
191
192#if (__DARWIN_C_LEVEL >= 199506L && __DARWIN_C_LEVEL < 200809L) || __DARWIN_C_LEVEL >= __DARWIN_C_FULL
193/* Removed in Issue 7 */
194#define _XBS5_ILP32_OFF32 __ILP32_OFF32
195#define _XBS5_ILP32_OFFBIG __ILP32_OFFBIG
196#define _XBS5_LP64_OFF64 __LP64_OFF64
197#define _XBS5_LPBIG_OFFBIG __LPBIG_OFFBIG
198#endif /* __DARWIN_C_LEVEL < 200809L */
199
200#if __DARWIN_C_LEVEL >= 199506L /* This really should be XSI */
201#define _XOPEN_CRYPT (1)
202#define _XOPEN_ENH_I18N (1) /* XXX required */
203#define _XOPEN_LEGACY (-1) /* no ftime gcvt, wcswcs */
204#define _XOPEN_REALTIME (-1) /* no q'ed signals, mq_* */
205#define _XOPEN_REALTIME_THREADS (-1) /* no posix_spawn, et. al. */
206#define _XOPEN_SHM (1)
207#define _XOPEN_STREAMS (-1) /* Issue 6 */
208#define _XOPEN_UNIX (1)
209#endif /* XSI */
210
211/* configurable system variables */
212#define _SC_ARG_MAX 1
213#define _SC_CHILD_MAX 2
214#define _SC_CLK_TCK 3
215#define _SC_NGROUPS_MAX 4
216#define _SC_OPEN_MAX 5
217#define _SC_JOB_CONTROL 6
218#define _SC_SAVED_IDS 7
219#define _SC_VERSION 8
220#define _SC_BC_BASE_MAX 9
221#define _SC_BC_DIM_MAX 10
222#define _SC_BC_SCALE_MAX 11
223#define _SC_BC_STRING_MAX 12
224#define _SC_COLL_WEIGHTS_MAX 13
225#define _SC_EXPR_NEST_MAX 14
226#define _SC_LINE_MAX 15
227#define _SC_RE_DUP_MAX 16
228#define _SC_2_VERSION 17
229#define _SC_2_C_BIND 18
230#define _SC_2_C_DEV 19
231#define _SC_2_CHAR_TERM 20
232#define _SC_2_FORT_DEV 21
233#define _SC_2_FORT_RUN 22
234#define _SC_2_LOCALEDEF 23
235#define _SC_2_SW_DEV 24
236#define _SC_2_UPE 25
237#define _SC_STREAM_MAX 26
238#define _SC_TZNAME_MAX 27
239
240#if __DARWIN_C_LEVEL >= 199309L
241#define _SC_ASYNCHRONOUS_IO 28
242#define _SC_PAGESIZE 29
243#define _SC_MEMLOCK 30
244#define _SC_MEMLOCK_RANGE 31
245#define _SC_MEMORY_PROTECTION 32
246#define _SC_MESSAGE_PASSING 33
247#define _SC_PRIORITIZED_IO 34
248#define _SC_PRIORITY_SCHEDULING 35
249#define _SC_REALTIME_SIGNALS 36
250#define _SC_SEMAPHORES 37
251#define _SC_FSYNC 38
252#define _SC_SHARED_MEMORY_OBJECTS 39
253#define _SC_SYNCHRONIZED_IO 40
254#define _SC_TIMERS 41
255#define _SC_AIO_LISTIO_MAX 42
256#define _SC_AIO_MAX 43
257#define _SC_AIO_PRIO_DELTA_MAX 44
258#define _SC_DELAYTIMER_MAX 45
259#define _SC_MQ_OPEN_MAX 46
260#define _SC_MAPPED_FILES 47 /* swap _SC_PAGESIZE vs. BSD */
261#define _SC_RTSIG_MAX 48
262#define _SC_SEM_NSEMS_MAX 49
263#define _SC_SEM_VALUE_MAX 50
264#define _SC_SIGQUEUE_MAX 51
265#define _SC_TIMER_MAX 52
266#endif /* __DARWIN_C_LEVEL >= 199309L */
267
268#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
269#define _SC_NPROCESSORS_CONF 57
270#define _SC_NPROCESSORS_ONLN 58
271#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
272
273#if __DARWIN_C_LEVEL >= 200112L
274#define _SC_2_PBS 59
275#define _SC_2_PBS_ACCOUNTING 60
276#define _SC_2_PBS_CHECKPOINT 61
277#define _SC_2_PBS_LOCATE 62
278#define _SC_2_PBS_MESSAGE 63
279#define _SC_2_PBS_TRACK 64
280#define _SC_ADVISORY_INFO 65
281#define _SC_BARRIERS 66
282#define _SC_CLOCK_SELECTION 67
283#define _SC_CPUTIME 68
284#define _SC_FILE_LOCKING 69
285#define _SC_GETGR_R_SIZE_MAX 70
286#define _SC_GETPW_R_SIZE_MAX 71
287#define _SC_HOST_NAME_MAX 72
288#define _SC_LOGIN_NAME_MAX 73
289#define _SC_MONOTONIC_CLOCK 74
290#define _SC_MQ_PRIO_MAX 75
291#define _SC_READER_WRITER_LOCKS 76
292#define _SC_REGEXP 77
293#define _SC_SHELL 78
294#define _SC_SPAWN 79
295#define _SC_SPIN_LOCKS 80
296#define _SC_SPORADIC_SERVER 81
297#define _SC_THREAD_ATTR_STACKADDR 82
298#define _SC_THREAD_ATTR_STACKSIZE 83
299#define _SC_THREAD_CPUTIME 84
300#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85
301#define _SC_THREAD_KEYS_MAX 86
302#define _SC_THREAD_PRIO_INHERIT 87
303#define _SC_THREAD_PRIO_PROTECT 88
304#define _SC_THREAD_PRIORITY_SCHEDULING 89
305#define _SC_THREAD_PROCESS_SHARED 90
306#define _SC_THREAD_SAFE_FUNCTIONS 91
307#define _SC_THREAD_SPORADIC_SERVER 92
308#define _SC_THREAD_STACK_MIN 93
309#define _SC_THREAD_THREADS_MAX 94
310#define _SC_TIMEOUTS 95
311#define _SC_THREADS 96
312#define _SC_TRACE 97
313#define _SC_TRACE_EVENT_FILTER 98
314#define _SC_TRACE_INHERIT 99
315#define _SC_TRACE_LOG 100
316#define _SC_TTY_NAME_MAX 101
317#define _SC_TYPED_MEMORY_OBJECTS 102
318#define _SC_V6_ILP32_OFF32 103
319#define _SC_V6_ILP32_OFFBIG 104
320#define _SC_V6_LP64_OFF64 105
321#define _SC_V6_LPBIG_OFFBIG 106
322#define _SC_IPV6 118
323#define _SC_RAW_SOCKETS 119
324#define _SC_SYMLOOP_MAX 120
325#endif /* __DARWIN_C_LEVEL >= 200112L */
326
327#if __DARWIN_C_LEVEL >= 199506L /* Really XSI */
328#define _SC_ATEXIT_MAX 107
329#define _SC_IOV_MAX 56
330#define _SC_PAGE_SIZE _SC_PAGESIZE
331#define _SC_XOPEN_CRYPT 108
332#define _SC_XOPEN_ENH_I18N 109
333#define _SC_XOPEN_LEGACY 110 /* Issue 6 */
334#define _SC_XOPEN_REALTIME 111 /* Issue 6 */
335#define _SC_XOPEN_REALTIME_THREADS 112 /* Issue 6 */
336#define _SC_XOPEN_SHM 113
337#define _SC_XOPEN_STREAMS 114 /* Issue 6 */
338#define _SC_XOPEN_UNIX 115
339#define _SC_XOPEN_VERSION 116
340#define _SC_XOPEN_XCU_VERSION 121
341#endif /* XSI */
342
343#if (__DARWIN_C_LEVEL >= 199506L && __DARWIN_C_LEVEL < 200809L) || __DARWIN_C_LEVEL >= __DARWIN_C_FULL
344/* Removed in Issue 7 */
345#define _SC_XBS5_ILP32_OFF32 122
346#define _SC_XBS5_ILP32_OFFBIG 123
347#define _SC_XBS5_LP64_OFF64 124
348#define _SC_XBS5_LPBIG_OFFBIG 125
349#endif /* __DARWIN_C_LEVEL <= 200809L */
350
351#if __DARWIN_C_LEVEL >= 200112L
352#define _SC_SS_REPL_MAX 126
353#define _SC_TRACE_EVENT_NAME_MAX 127
354#define _SC_TRACE_NAME_MAX 128
355#define _SC_TRACE_SYS_MAX 129
356#define _SC_TRACE_USER_EVENT_MAX 130
357#endif
358
359#if __DARWIN_C_LEVEL < 200112L || __DARWIN_C_LEVEL >= __DARWIN_C_FULL
360/* Removed in Issue 6 */
361#define _SC_PASS_MAX 131
362#endif
363
364/* 132-199 available for future use */
365#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
366#define _SC_PHYS_PAGES 200
367#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
368
369#if __DARWIN_C_LEVEL >= 199209L
370#ifndef _CS_PATH /* Defined in <sys/unistd.h> */
371#define _CS_PATH 1
372#endif
373#endif
374
375#if __DARWIN_C_LEVEL >= 200112
376#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2
377#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3
378#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4
379#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5
380#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6
381#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7
382#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8
383#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9
384#define _CS_POSIX_V6_LP64_OFF64_LIBS 10
385#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11
386#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12
387#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13
388#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14
389#endif
390
391#if (__DARWIN_C_LEVEL >= 199506L && __DARWIN_C_LEVEL < 200809L) || __DARWIN_C_LEVEL >= __DARWIN_C_FULL
392/* Removed in Issue 7 */
393#define _CS_XBS5_ILP32_OFF32_CFLAGS 20
394#define _CS_XBS5_ILP32_OFF32_LDFLAGS 21
395#define _CS_XBS5_ILP32_OFF32_LIBS 22
396#define _CS_XBS5_ILP32_OFF32_LINTFLAGS 23
397#define _CS_XBS5_ILP32_OFFBIG_CFLAGS 24
398#define _CS_XBS5_ILP32_OFFBIG_LDFLAGS 25
399#define _CS_XBS5_ILP32_OFFBIG_LIBS 26
400#define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS 27
401#define _CS_XBS5_LP64_OFF64_CFLAGS 28
402#define _CS_XBS5_LP64_OFF64_LDFLAGS 29
403#define _CS_XBS5_LP64_OFF64_LIBS 30
404#define _CS_XBS5_LP64_OFF64_LINTFLAGS 31
405#define _CS_XBS5_LPBIG_OFFBIG_CFLAGS 32
406#define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS 33
407#define _CS_XBS5_LPBIG_OFFBIG_LIBS 34
408#define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS 35
409#endif
410
411#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
412#define _CS_DARWIN_USER_DIR 65536
413#define _CS_DARWIN_USER_TEMP_DIR 65537
414#define _CS_DARWIN_USER_CACHE_DIR 65538
415#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
416
417
418#ifdef _DARWIN_UNLIMITED_GETGROUPS
419#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_3_2
420#error "_DARWIN_UNLIMITED_GETGROUPS specified, but -miphoneos-version-min version does not support it."
421#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_6
422#error "_DARWIN_UNLIMITED_GETGROUPS specified, but -mmacosx-version-min version does not support it."
423#endif
424#endif
425
426/* POSIX.1-1990 */
427
428__BEGIN_DECLS
429void _exit(int) __dead2;
430int access(const char *, int);
431unsigned int
432 alarm(unsigned int);
433int chdir(const char *);
434int chown(const char *, uid_t, gid_t);
435
436int close(int) __DARWIN_ALIAS_C(close);
437
438int dup(int);
439int dup2(int, int);
440int execl(const char * __path, const char * __arg0, ...) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
441int execle(const char * __path, const char * __arg0, ...) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
442int execlp(const char * __file, const char * __arg0, ...) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
443int execv(const char * __path, char * const * __argv) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
444int execve(const char * __file, char * const * __argv, char * const * __envp) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
445int execvp(const char * __file, char * const * __argv) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
446pid_t fork(void) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
447long fpathconf(int, int);
448char *getcwd(char *, size_t);
449gid_t getegid(void);
450uid_t geteuid(void);
451gid_t getgid(void);
452#if defined(_DARWIN_UNLIMITED_GETGROUPS) || defined(_DARWIN_C_SOURCE)
453int getgroups(int, gid_t []) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(getgroups));
454#else /* !_DARWIN_UNLIMITED_GETGROUPS && !_DARWIN_C_SOURCE */
455int getgroups(int, gid_t []);
456#endif /* _DARWIN_UNLIMITED_GETGROUPS || _DARWIN_C_SOURCE */
457char *getlogin(void);
458pid_t getpgrp(void);
459pid_t getpid(void);
460pid_t getppid(void);
461uid_t getuid(void);
462int isatty(int);
463int link(const char *, const char *);
464off_t lseek(int, off_t, int);
465long pathconf(const char *, int);
466
467int pause(void) __DARWIN_ALIAS_C(pause);
468
469int pipe(int [2]);
470
471ssize_t read(int, void *, size_t) __DARWIN_ALIAS_C(read);
472
473int rmdir(const char *);
474int setgid(gid_t);
475int setpgid(pid_t, pid_t);
476pid_t setsid(void);
477int setuid(uid_t);
478
479unsigned int
480 sleep(unsigned int) __DARWIN_ALIAS_C(sleep);
481
482long sysconf(int);
483pid_t tcgetpgrp(int);
484int tcsetpgrp(int, pid_t);
485char *ttyname(int);
486
487#if __DARWIN_UNIX03
488int ttyname_r(int, char *, size_t) __DARWIN_ALIAS(ttyname_r);
489#else /* !__DARWIN_UNIX03 */
490char *ttyname_r(int, char *, size_t);
491#endif /* __DARWIN_UNIX03 */
492
493int unlink(const char *);
494
495ssize_t write(int __fd, const void * __buf, size_t __nbyte) __DARWIN_ALIAS_C(write);
496__END_DECLS
497
498
499
500/* Additional functionality provided by:
501 * POSIX.2-1992 C Language Binding Option
502 */
503
504#if __DARWIN_C_LEVEL >= 199209L
505__BEGIN_DECLS
506size_t confstr(int, char *, size_t) __DARWIN_ALIAS(confstr);
507
508int getopt(int, char * const [], const char *) __DARWIN_ALIAS(getopt);
509
510extern char *optarg; /* getopt(3) external variables */
511extern int optind, opterr, optopt;
512__END_DECLS
513#endif /* __DARWIN_C_LEVEL >= 199209L */
514
515
516
517/* Additional functionality provided by:
518 * POSIX.1c-1995,
519 * POSIX.1i-1995,
520 * and the omnibus ISO/IEC 9945-1: 1996
521 */
522
523#if __DARWIN_C_LEVEL >= 199506L
524 /* These F_* are really XSI or Issue 6 */
525#define F_ULOCK 0 /* unlock locked section */
526#define F_LOCK 1 /* lock a section for exclusive use */
527#define F_TLOCK 2 /* test and lock a section for exclusive use */
528#define F_TEST 3 /* test a section for locks by other procs */
529
530 __BEGIN_DECLS
531
532/* Begin XSI */
533/* Removed in Issue 6 */
534#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L
535#if !defined(_POSIX_C_SOURCE)
536__deprecated __WATCHOS_PROHIBITED __TVOS_PROHIBITED
537#endif
538void *brk(const void *);
539int chroot(const char *) __POSIX_C_DEPRECATED(199506L);
540#endif
541
542char *crypt(const char *, const char *);
543#ifndef __CTERMID_DEFINED
544/* Multiply defined in stdio.h and unistd.h by SUS */
545#define __CTERMID_DEFINED 1
546char *ctermid(char *);
547#endif
548#if __DARWIN_UNIX03
549void encrypt(char *, int) __DARWIN_ALIAS(encrypt);
550#else /* !__DARWIN_UNIX03 */
551int encrypt(char *, int);
552#endif /* __DARWIN_UNIX03 */
553int fchdir(int);
554long gethostid(void);
555pid_t getpgid(pid_t);
556pid_t getsid(pid_t);
557
558/* Removed in Issue 6 */
559#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L
560int getdtablesize(void) __POSIX_C_DEPRECATED(199506L);
561int getpagesize(void) __pure2 __POSIX_C_DEPRECATED(199506L);
562char *getpass(const char *) __POSIX_C_DEPRECATED(199506L);
563#endif
564
565/* Removed in Issue 7 */
566#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200809L
567char *getwd(char *) __POSIX_C_DEPRECATED(200112L); /* obsoleted by getcwd() */
568#endif
569
570int lchown(const char *, uid_t, gid_t) __DARWIN_ALIAS(lchown);
571
572int lockf(int, int, off_t) __DARWIN_ALIAS_C(lockf);
573
574int nice(int) __DARWIN_ALIAS(nice);
575
576ssize_t pread(int __fd, void * __buf, size_t __nbyte, off_t __offset) __DARWIN_ALIAS_C(pread);
577
578ssize_t pwrite(int __fd, const void * __buf, size_t __nbyte, off_t __offset) __DARWIN_ALIAS_C(pwrite);
579
580/* Removed in Issue 6 */
581#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L
582/* Note that Issue 5 changed the argument as intprt_t,
583 * but we keep it as int for binary compatability. */
584#if !defined(_POSIX_C_SOURCE)
585__deprecated __WATCHOS_PROHIBITED __TVOS_PROHIBITED
586#endif
587void *sbrk(int);
588#endif
589
590#if __DARWIN_UNIX03
591pid_t setpgrp(void) __DARWIN_ALIAS(setpgrp);
592#else /* !__DARWIN_UNIX03 */
593int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */
594#endif /* __DARWIN_UNIX03 */
595
596int setregid(gid_t, gid_t) __DARWIN_ALIAS(setregid);
597
598int setreuid(uid_t, uid_t) __DARWIN_ALIAS(setreuid);
599
600void swab(const void * __restrict, void * __restrict, ssize_t);
601void sync(void);
602int truncate(const char *, off_t);
603useconds_t ualarm(useconds_t, useconds_t);
604int usleep(useconds_t) __DARWIN_ALIAS_C(usleep);
605pid_t vfork(void) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
606/* End XSI */
607
608int fsync(int) __DARWIN_ALIAS_C(fsync);
609
610int ftruncate(int, off_t);
611int getlogin_r(char *, size_t);
612__END_DECLS
613#endif /* __DARWIN_C_LEVEL >= 199506L */
614
615
616
617/* Additional functionality provided by:
618 * POSIX.1-2001
619 * ISO C99
620 */
621
622#if __DARWIN_C_LEVEL >= 200112L
623__BEGIN_DECLS
624int fchown(int, uid_t, gid_t);
625int gethostname(char *, size_t);
626ssize_t readlink(const char * __restrict, char * __restrict, size_t);
627int setegid(gid_t);
628int seteuid(uid_t);
629int symlink(const char *, const char *);
630__END_DECLS
631#endif /* __DARWIN_C_LEVEL >= 200112L */
632
633
634
635/* Darwin extensions */
636
637#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
638#include <sys/select.h>
639
640#include <sys/_types/_dev_t.h>
641#include <sys/_types/_mode_t.h>
642#include <sys/_types/_uuid_t.h>
643
644__BEGIN_DECLS
645void _Exit(int) __dead2;
646int accessx_np(const struct accessx_descriptor *, size_t, int *, uid_t);
647int acct(const char *);
648int add_profil(char *, size_t, unsigned long, unsigned int) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
649void endusershell(void);
650int execvP(const char * __file, const char * __searchpath, char * const * __argv) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
651char *fflagstostr(unsigned long);
652int getdomainname(char *, int);
653int getgrouplist(const char *, int, int *, int *);
654#if defined(__has_include)
655#if __has_include(<gethostuuid_private.h>)
656#include <gethostuuid_private.h>
657#else
658#include <gethostuuid.h>
659#endif
660#else
661#include <gethostuuid.h>
662#endif
663mode_t getmode(const void *, mode_t);
664int getpeereid(int, uid_t *, gid_t *);
665int getsgroups_np(int *, uuid_t);
666char *getusershell(void);
667int getwgroups_np(int *, uuid_t);
668int initgroups(const char *, int);
669int issetugid(void);
670char *mkdtemp(char *);
671int mknod(const char *, mode_t, dev_t);
672int mkpath_np(const char *path, mode_t omode) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_5_0); /* returns errno */
673int mkpathat_np(int dfd, const char *path, mode_t omode) /* returns errno */
674 __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0)
675 __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
676int mkstemp(char *);
677int mkstemps(char *, int);
678char *mktemp(char *);
679int mkostemp(char *path, int oflags)
680 __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0)
681 __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
682int mkostemps(char *path, int slen, int oflags)
683 __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0)
684 __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
685/* Non-portable mkstemp that uses open_dprotected_np */
686int mkstemp_dprotected_np(char *path, int dpclass, int dpflags)
687 __OSX_UNAVAILABLE __IOS_AVAILABLE(10.0)
688 __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
689char *mkdtempat_np(int dfd, char *path)
690 __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0)
691 __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0);
692int mkstempsat_np(int dfd, char *path, int slen)
693 __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0)
694 __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0);
695int mkostempsat_np(int dfd, char *path, int slen, int oflags)
696 __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0)
697 __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0);
698int nfssvc(int, void *);
699int profil(char *, size_t, unsigned long, unsigned int);
700
701__deprecated_msg("Use of per-thread security contexts is error-prone and discouraged.")
702int pthread_setugid_np(uid_t, gid_t);
703int pthread_getugid_np( uid_t *, gid_t *);
704
705int reboot(int);
706int revoke(const char *);
707
708__deprecated int rcmd(char **, int, const char *, const char *, const char *, int *);
709__deprecated int rcmd_af(char **, int, const char *, const char *, const char *, int *,
710 int);
711__deprecated int rresvport(int *);
712__deprecated int rresvport_af(int *, int);
713__deprecated int iruserok(unsigned long, int, const char *, const char *);
714__deprecated int iruserok_sa(const void *, int, int, const char *, const char *);
715__deprecated int ruserok(const char *, int, const char *, const char *);
716
717int setdomainname(const char *, int);
718int setgroups(int, const gid_t *);
719void sethostid(long);
720int sethostname(const char *, int);
721#if __DARWIN_UNIX03
722void setkey(const char *) __DARWIN_ALIAS(setkey);
723#else /* !__DARWIN_UNIX03 */
724int setkey(const char *);
725#endif /* __DARWIN_UNIX03 */
726int setlogin(const char *);
727void *setmode(const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(setmode));
728int setrgid(gid_t);
729int setruid(uid_t);
730int setsgroups_np(int, const uuid_t);
731void setusershell(void);
732int setwgroups_np(int, const uuid_t);
733int strtofflags(char **, unsigned long *, unsigned long *);
734int swapon(const char *);
735int ttyslot(void);
736int undelete(const char *);
737int unwhiteout(const char *);
738void *valloc(size_t);
739
740__WATCHOS_PROHIBITED __TVOS_PROHIBITED
741__OS_AVAILABILITY_MSG(ios,deprecated=10.0,"syscall(2) is unsupported; "
742 "please switch to a supported interface. For SYS_kdebug_trace use kdebug_signpost().")
743__OS_AVAILABILITY_MSG(macosx,deprecated=10.12,"syscall(2) is unsupported; "
744 "please switch to a supported interface. For SYS_kdebug_trace use kdebug_signpost().")
745int syscall(int, ...);
746
747extern char *suboptarg; /* getsubopt(3) external variable */
748int getsubopt(char **, char * const *, char **);
749
750/* HFS & HFS Plus semantics system calls go here */
751#ifdef __LP64__
752int fgetattrlist(int,void*,void*,size_t,unsigned int) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
753int fsetattrlist(int,void*,void*,size_t,unsigned int) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
754int getattrlist(const char*,void*,void*,size_t,unsigned int) __DARWIN_ALIAS(getattrlist);
755int setattrlist(const char*,void*,void*,size_t,unsigned int) __DARWIN_ALIAS(setattrlist);
756int exchangedata(const char*,const char*,unsigned int) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
757int getdirentriesattr(int,void*,void*,size_t,unsigned int*,unsigned int*,unsigned int*,unsigned int) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
758
759#else /* __LP64__ */
760int fgetattrlist(int,void*,void*,size_t,unsigned long) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
761int fsetattrlist(int,void*,void*,size_t,unsigned long) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
762int getattrlist(const char*,void*,void*,size_t,unsigned long) __DARWIN_ALIAS(getattrlist);
763int setattrlist(const char*,void*,void*,size_t,unsigned long) __DARWIN_ALIAS(setattrlist);
764int exchangedata(const char*,const char*,unsigned long)
765 __OSX_DEPRECATED(10.0, 10.13, "use renamex_np with the RENAME_SWAP flag")
766 __IOS_DEPRECATED(2.0, 11.0, "use renamex_np with the RENAME_SWAP flag")
767 __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
768int getdirentriesattr(int,void*,void*,size_t,unsigned long*,unsigned long*,unsigned long*,unsigned long) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
769
770#endif /* __LP64__ */
771
772struct fssearchblock;
773struct searchstate;
774
775int searchfs(const char *, struct fssearchblock *, unsigned long *, unsigned int, unsigned int, struct searchstate *) __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
776int fsctl(const char *,unsigned long,void*,unsigned int);
777int ffsctl(int,unsigned long,void*,unsigned int) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
778
779#define SYNC_VOLUME_FULLSYNC 0x01 /* Flush data and metadata to platter, not just to disk cache */
780#define SYNC_VOLUME_WAIT 0x02 /* Wait for sync to complete */
781
782int fsync_volume_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
783int sync_volume_np(const char *, int) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
784
785extern int optreset;
786
787__END_DECLS
788#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
789
790#endif /* _UNISTD_H_ */
791