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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_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_
-
- /* compile-time symbolic constants */
- #define _POSIX_JOB_CONTROL /* implementation supports job control */
-
- /*
- * 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 198808L
- #define _POSIX2_VERSION 199212L
-
- /* execution-time symbolic constants */
- /* chown requires appropriate privileges */
- #define _POSIX_CHOWN_RESTRICTED 1
- /* too-long path components generate errors */
- #define _POSIX_NO_TRUNC 1
- /* may disable terminal special characters */
- #ifndef _POSIX_VDISABLE
- #define _POSIX_VDISABLE ((unsigned char)'\377')
- #endif
-
- #define _POSIX_THREADS
- #define _POSIX_THREAD_ATTR_STACKADDR
- #define _POSIX_THREAD_ATTR_STACKSIZE
- #define _POSIX_THREAD_PRIORITY_SCHEDULING
- #define _POSIX_THREAD_PRIO_INHERIT
- #define _POSIX_THREAD_PRIO_PROTECT
-
- #define _POSIX_THREAD_KEYS_MAX 128
-
- /* access function */
- #define F_OK 0 /* test for existence of file */
- #define X_OK 0x01 /* test for execute or search permission */
- #define W_OK 0x02 /* test for write permission */
- #define R_OK 0x04 /* test for read permission */
-
- /* whence values for lseek(2) */
- #define SEEK_SET 0 /* set file offset to offset */
- #define SEEK_CUR 1 /* set file offset to current plus offset */
- #define SEEK_END 2 /* set file offset to EOF plus offset */
-
- #ifndef _POSIX_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
-
- /* 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
-
- #ifndef _POSIX_SOURCE
- #define _PC_NAME_CHARS_MAX 10
- #define _PC_CASE_SENSITIVE 11
- #define _PC_CASE_PRESERVING 12
- #endif
-
- /* configurable system variables */
- #define _SC_ARG_MAX 1
- #define _SC_CHILD_MAX 2
- #define _SC_CLK_TCK 3
- #define _SC_NGROUPS_MAX 4
- #define _SC_OPEN_MAX 5
- #define _SC_JOB_CONTROL 6
- #define _SC_SAVED_IDS 7
- #define _SC_VERSION 8
- #define _SC_BC_BASE_MAX 9
- #define _SC_BC_DIM_MAX 10
- #define _SC_BC_SCALE_MAX 11
- #define _SC_BC_STRING_MAX 12
- #define _SC_COLL_WEIGHTS_MAX 13
- #define _SC_EXPR_NEST_MAX 14
- #define _SC_LINE_MAX 15
- #define _SC_RE_DUP_MAX 16
- #define _SC_2_VERSION 17
- #define _SC_2_C_BIND 18
- #define _SC_2_C_DEV 19
- #define _SC_2_CHAR_TERM 20
- #define _SC_2_FORT_DEV 21
- #define _SC_2_FORT_RUN 22
- #define _SC_2_LOCALEDEF 23
- #define _SC_2_SW_DEV 24
- #define _SC_2_UPE 25
- #define _SC_STREAM_MAX 26
- #define _SC_TZNAME_MAX 27
-
- /* configurable system strings */
- #define _CS_PATH 1
-
- #endif /* !_SYS_UNISTD_H_ */
-