gems-kernel/source/THIRDPARTY/xnu/bsd/sys/unistd.h
2024-06-03 11:29:39 -05:00

222 lines
9.5 KiB
C

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