223 lines
9.5 KiB
C
223 lines
9.5 KiB
C
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/*
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* Copyright (c) 2000-2013 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)unistd.h 8.2 (Berkeley) 1/7/94
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*/
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#ifndef _SYS_UNISTD_H_
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#define _SYS_UNISTD_H_
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#include <sys/cdefs.h>
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/*
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* Although we have saved user/group IDs, we do not use them in setuid
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* as described in POSIX 1003.1, because the feature does not work for
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* root. We use the saved IDs in seteuid/setegid, which are not currently
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* part of the POSIX 1003.1 specification.
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*/
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#ifdef _NOT_AVAILABLE
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#define _POSIX_SAVED_IDS /* saved set-user-ID and set-group-ID */
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#endif
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#define _POSIX_VERSION 200112L
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#define _POSIX2_VERSION 200112L
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/* execution-time symbolic constants */
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/* may disable terminal special characters */
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#include <sys/_types/_posix_vdisable.h>
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#define _POSIX_THREAD_KEYS_MAX 128
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/* access function */
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#define F_OK 0 /* test for existence of file */
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#define X_OK (1<<0) /* test for execute or search permission */
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#define W_OK (1<<1) /* test for write permission */
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#define R_OK (1<<2) /* test for read permission */
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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/*
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* Extended access functions.
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* Note that we depend on these matching the definitions in sys/kauth.h,
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* but with the bits shifted left by 8.
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*/
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#define _READ_OK (1<<9) /* read file data / read directory */
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#define _WRITE_OK (1<<10) /* write file data / add file to directory */
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#define _EXECUTE_OK (1<<11) /* execute file / search in directory*/
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#define _DELETE_OK (1<<12) /* delete file / delete directory */
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#define _APPEND_OK (1<<13) /* append to file / add subdirectory to directory */
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#define _RMFILE_OK (1<<14) /* - / remove file from directory */
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#define _RATTR_OK (1<<15) /* read basic attributes */
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#define _WATTR_OK (1<<16) /* write basic attributes */
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#define _REXT_OK (1<<17) /* read extended attributes */
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#define _WEXT_OK (1<<18) /* write extended attributes */
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#define _RPERM_OK (1<<19) /* read permissions */
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#define _WPERM_OK (1<<20) /* write permissions */
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#define _CHOWN_OK (1<<21) /* change ownership */
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#define _ACCESS_EXTENDED_MASK (_READ_OK | _WRITE_OK | _EXECUTE_OK | \
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_DELETE_OK | _APPEND_OK | \
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_RMFILE_OK | _REXT_OK | \
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_WEXT_OK | _RATTR_OK | _WATTR_OK | _RPERM_OK | \
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_WPERM_OK | _CHOWN_OK)
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#endif
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/* whence values for lseek(2) */
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#include <sys/_types/_seek_set.h>
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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/* whence values for lseek(2); renamed by POSIX 1003.1 */
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#define L_SET SEEK_SET
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#define L_INCR SEEK_CUR
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#define L_XTND SEEK_END
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#endif
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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struct accessx_descriptor {
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unsigned int ad_name_offset;
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int ad_flags;
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int ad_pad[2];
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};
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#define ACCESSX_MAX_DESCRIPTORS 100
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#define ACCESSX_MAX_TABLESIZE (16 * 1024)
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#endif
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/* configurable pathname variables */
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#define _PC_LINK_MAX 1
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#define _PC_MAX_CANON 2
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#define _PC_MAX_INPUT 3
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#define _PC_NAME_MAX 4
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#define _PC_PATH_MAX 5
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#define _PC_PIPE_BUF 6
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#define _PC_CHOWN_RESTRICTED 7
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#define _PC_NO_TRUNC 8
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#define _PC_VDISABLE 9
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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#define _PC_NAME_CHARS_MAX 10
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#define _PC_CASE_SENSITIVE 11
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#define _PC_CASE_PRESERVING 12
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#define _PC_EXTENDED_SECURITY_NP 13
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#define _PC_AUTH_OPAQUE_NP 14
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#endif
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#define _PC_2_SYMLINKS 15 /* Symlink supported in directory */
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#define _PC_ALLOC_SIZE_MIN 16 /* Minimum storage actually allocated */
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#define _PC_ASYNC_IO 17 /* Async I/O [AIO] supported? */
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#define _PC_FILESIZEBITS 18 /* # of bits to represent file size */
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#define _PC_PRIO_IO 19 /* Priority I/O [PIO] supported? */
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#define _PC_REC_INCR_XFER_SIZE 20 /* Recommended increment for next two */
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#define _PC_REC_MAX_XFER_SIZE 21 /* Recommended max file transfer size */
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#define _PC_REC_MIN_XFER_SIZE 22 /* Recommended min file transfer size */
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#define _PC_REC_XFER_ALIGN 23 /* Recommended buffer alignment */
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#define _PC_SYMLINK_MAX 24 /* Max # of bytes in symlink name */
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#define _PC_SYNC_IO 25 /* Sync I/O [SIO] supported? */
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#define _PC_XATTR_SIZE_BITS 26 /* # of bits to represent maximum xattr size */
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#define _PC_MIN_HOLE_SIZE 27 /* Recommended minimum hole size for sparse files */
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/* configurable system strings */
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#define _CS_PATH 1
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#ifndef KERNEL
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#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
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#include <machine/_types.h>
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#include <sys/_types/_size_t.h>
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#include <sys/_types/_ssize_t.h>
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#include <_types/_uint64_t.h>
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#include <_types/_uint32_t.h>
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#include <Availability.h>
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__BEGIN_DECLS
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int getattrlistbulk(int, void *, void *, size_t, uint64_t) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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int getattrlistat(int, const char *, void *, void *, size_t, unsigned long) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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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);
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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));
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__END_DECLS
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#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
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#if __DARWIN_C_LEVEL >= 200809L
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#include <machine/_types.h>
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#include <sys/_types/_size_t.h>
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#include <sys/_types/_ssize_t.h>
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#include <sys/_types.h>
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#include <sys/_types/_uid_t.h>
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#include <sys/_types/_gid_t.h>
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#include <Availability.h>
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__BEGIN_DECLS
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int faccessat(int, const char *, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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int fchownat(int, const char *, uid_t, gid_t, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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int linkat(int, const char *, int, const char *, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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ssize_t readlinkat(int, const char *, char *, size_t) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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int symlinkat(const char *, int, const char *) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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int unlinkat(int, const char *, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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__END_DECLS
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#endif /* __DARWIN_C_LEVEL >= 200809L */
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#endif /* !KERNEL */
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#endif /* !_SYS_UNISTD_H_ */
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