[apple/xnu.git] / bsd / sys / unistd.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * 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. 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_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 strings */
#define	_CS_PATH		 1

/* async IO support */
#define _POSIX_ASYNCHRONOUS_IO

#endif /* !_SYS_UNISTD_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
43866e37	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
43866e37 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
43866e37 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	26	/*
	27	* Copyright (c) 1989, 1993
	28	* The Regents of the University of California. All rights reserved.
	29	*
	30	* Redistribution and use in source and binary forms, with or without
	31	* modification, are permitted provided that the following conditions
	32	* are met:
	33	* 1. Redistributions of source code must retain the above copyright
	34	* notice, this list of conditions and the following disclaimer.
	35	* 2. Redistributions in binary form must reproduce the above copyright
	36	* notice, this list of conditions and the following disclaimer in the
	37	* documentation and/or other materials provided with the distribution.
	38	* 3. All advertising materials mentioning features or use of this software
	39	* must display the following acknowledgement:
	40	* This product includes software developed by the University of
	41	* California, Berkeley and its contributors.
	42	* 4. Neither the name of the University nor the names of its contributors
	43	* may be used to endorse or promote products derived from this software
	44	* without specific prior written permission.
	45	*
	46	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	47	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	48	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	49	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	50	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	51	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	52	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	53	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	54	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	55	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	56	* SUCH DAMAGE.
	57	*
	58	* @(#)unistd.h 8.2 (Berkeley) 1/7/94
	59	*/
	60
	61	#ifndef _SYS_UNISTD_H_
	62	#define _SYS_UNISTD_H_
	63
	64	/* compile-time symbolic constants */
	65	#define _POSIX_JOB_CONTROL /* implementation supports job control */
	66
	67	/*
	68	* Although we have saved user/group IDs, we do not use them in setuid
	69	* as described in POSIX 1003.1, because the feature does not work for
	70	* root. We use the saved IDs in seteuid/setegid, which are not currently
	71	* part of the POSIX 1003.1 specification.
	72	*/
	73	#ifdef _NOT_AVAILABLE
	74	#define _POSIX_SAVED_IDS /* saved set-user-ID and set-group-ID */
	75	#endif
	76
	77	#define _POSIX_VERSION 198808L
	78	#define _POSIX2_VERSION 199212L
	79
	80	/* execution-time symbolic constants */
	81	/* chown requires appropriate privileges */
	82	#define _POSIX_CHOWN_RESTRICTED 1
	83	/* too-long path components generate errors */
	84	#define _POSIX_NO_TRUNC 1
	85	/* may disable terminal special characters */
86	#ifndef _POSIX_VDISABLE
87	#define _POSIX_VDISABLE ((unsigned char)'\377')
88	#endif
89
90	#define _POSIX_THREADS
91	#define _POSIX_THREAD_ATTR_STACKADDR
92	#define _POSIX_THREAD_ATTR_STACKSIZE
93	#define _POSIX_THREAD_PRIORITY_SCHEDULING
94	#define _POSIX_THREAD_PRIO_INHERIT
95	#define _POSIX_THREAD_PRIO_PROTECT
96
97	#define _POSIX_THREAD_KEYS_MAX 128
98
99	/* access function */
100	#define F_OK 0 /* test for existence of file */
101	#define X_OK 0x01 /* test for execute or search permission */
102	#define W_OK 0x02 /* test for write permission */
103	#define R_OK 0x04 /* test for read permission */
104
105	/* whence values for lseek(2) */
106	#define SEEK_SET 0 /* set file offset to offset */
107	#define SEEK_CUR 1 /* set file offset to current plus offset */
108	#define SEEK_END 2 /* set file offset to EOF plus offset */
109
110	#ifndef _POSIX_SOURCE
111	/* whence values for lseek(2); renamed by POSIX 1003.1 */
112	#define L_SET SEEK_SET
113	#define L_INCR SEEK_CUR
114	#define L_XTND SEEK_END
115	#endif
116
117	/* configurable pathname variables */
118	#define _PC_LINK_MAX 1
119	#define _PC_MAX_CANON 2
120	#define _PC_MAX_INPUT 3
121	#define _PC_NAME_MAX 4
122	#define _PC_PATH_MAX 5
123	#define _PC_PIPE_BUF 6
124	#define _PC_CHOWN_RESTRICTED 7
125	#define _PC_NO_TRUNC 8
126	#define _PC_VDISABLE 9
127
128	#ifndef _POSIX_SOURCE
129	#define _PC_NAME_CHARS_MAX 10
130	#define _PC_CASE_SENSITIVE 11
131	#define _PC_CASE_PRESERVING 12
132	#endif
133
1c79356b A	134	/* configurable system strings */
	135	#define _CS_PATH 1
	136
55e303ae A	137	/* async IO support */
	138	#define _POSIX_ASYNCHRONOUS_IO
	139
1c79356b	140	#endif /* !_SYS_UNISTD_H_ */