228 lines
7.6 KiB
C
228 lines
7.6 KiB
C
/*
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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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* $FreeBSD$
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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/_posix.h>
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/* compile-time symbolic constants */
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#define _POSIX_JOB_CONTROL /* implementation supports job control */
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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 _POSIX2_VERSION 199212L
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/* execution-time symbolic constants */
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/* chown requires appropriate privileges */
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#define _POSIX_CHOWN_RESTRICTED 1
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/* too-long path components generate errors */
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#define _POSIX_NO_TRUNC 1
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/* may disable terminal special characters */
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#define _POSIX_VDISABLE 0xff
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/*
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* Threads features:
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*
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* Note that those commented out are not currently supported by the
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* implementation.
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*/
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#define _POSIX_THREADS
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#define _POSIX_THREAD_ATTR_STACKADDR
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#define _POSIX_THREAD_ATTR_STACKSIZE
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#define _POSIX_THREAD_PRIORITY_SCHEDULING
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#define _POSIX_THREAD_PRIO_INHERIT
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#define _POSIX_THREAD_PRIO_PROTECT
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/* #define _POSIX_THREAD_PROCESS_SHARED */
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/*
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* 1003.1c-1995 says on page 38 (2.9.3, paragraph 3) that if _POSIX_THREADS is
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* defined, then _POSIX_THREAD_SAFE_FUNCTIONS must also be defined. (This is
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* likely a typo (reversed dependency), in which case we would be compliant if
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* the typo were officially acknowledged.) However, we do not support all of
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* the required _r() interfaces, which means we cannot legitimately define
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* _POSIX_THREAD_SAFE_FUNCTIONS. Therefore, we are non-compliant here in two
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* ways.
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*/
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/* #define _POSIX_THREAD_SAFE_FUNCTIONS */
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#define _POSIX_SEMAPHORES
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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 0x01 /* test for execute or search permission */
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#define W_OK 0x02 /* test for write permission */
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#define R_OK 0x04 /* test for read permission */
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/* whence values for lseek(2) */
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#define SEEK_SET 0 /* set file offset to offset */
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#define SEEK_CUR 1 /* set file offset to current plus offset */
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#define SEEK_END 2 /* set file offset to EOF plus offset */
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#ifndef _POSIX_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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/* 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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/* configurable system variables */
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#define _SC_ARG_MAX 1
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#define _SC_CHILD_MAX 2
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#define _SC_CLK_TCK 3
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#define _SC_NGROUPS_MAX 4
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#define _SC_OPEN_MAX 5
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#define _SC_JOB_CONTROL 6
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#define _SC_SAVED_IDS 7
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#define _SC_VERSION 8
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#define _SC_BC_BASE_MAX 9
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#define _SC_BC_DIM_MAX 10
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#define _SC_BC_SCALE_MAX 11
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#define _SC_BC_STRING_MAX 12
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#define _SC_COLL_WEIGHTS_MAX 13
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#define _SC_EXPR_NEST_MAX 14
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#define _SC_LINE_MAX 15
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#define _SC_RE_DUP_MAX 16
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#define _SC_2_VERSION 17
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#define _SC_2_C_BIND 18
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#define _SC_2_C_DEV 19
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#define _SC_2_CHAR_TERM 20
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#define _SC_2_FORT_DEV 21
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#define _SC_2_FORT_RUN 22
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#define _SC_2_LOCALEDEF 23
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#define _SC_2_SW_DEV 24
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#define _SC_2_UPE 25
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#define _SC_STREAM_MAX 26
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#define _SC_TZNAME_MAX 27
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/* configurable system strings */
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#define _CS_PATH 1
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#ifdef _P1003_1B_VISIBLE
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#define _POSIX_PRIORITY_SCHEDULING
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#if 0
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/* Not until the dust settles after the header commit
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*/
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#define _POSIX_ASYNCHRONOUS_IO
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#define _POSIX_MEMLOCK
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#define _POSIX_MEMLOCK_RANGE
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#endif
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/* ??? #define _POSIX_FSYNC 1 */
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#define _POSIX_MAPPED_FILES 1
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#define _POSIX_SHARED_MEMORY_OBJECTS 1
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/* POSIX.1B sysconf options */
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#define _SC_ASYNCHRONOUS_IO 28
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#define _SC_MAPPED_FILES 29
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#define _SC_MEMLOCK 30
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#define _SC_MEMLOCK_RANGE 31
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#define _SC_MEMORY_PROTECTION 32
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#define _SC_MESSAGE_PASSING 33
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#define _SC_PRIORITIZED_IO 34
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#define _SC_PRIORITY_SCHEDULING 35
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#define _SC_REALTIME_SIGNALS 36
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#define _SC_SEMAPHORES 37
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#define _SC_FSYNC 38
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#define _SC_SHARED_MEMORY_OBJECTS 39
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#define _SC_SYNCHRONIZED_IO 40
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#define _SC_TIMERS 41
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#define _SC_AIO_LISTIO_MAX 42
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#define _SC_AIO_MAX 43
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#define _SC_AIO_PRIO_DELTA_MAX 44
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#define _SC_DELAYTIMER_MAX 45
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#define _SC_MQ_OPEN_MAX 46
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#define _SC_PAGESIZE 47
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#define _SC_RTSIG_MAX 48
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#define _SC_SEM_NSEMS_MAX 49
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#define _SC_SEM_VALUE_MAX 50
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#define _SC_SIGQUEUE_MAX 51
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#define _SC_TIMER_MAX 52
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/* POSIX.1B pathconf and fpathconf options */
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#define _PC_ASYNC_IO 53
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#define _PC_PRIO_IO 54
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#define _PC_SYNC_IO 55
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#endif /* _P1003_1B_VISIBLE */
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#ifndef _POSIX_SOURCE
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/*
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* rfork() options.
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*
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* XXX currently, some operations without RFPROC set are not supported.
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*/
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#define RFNAMEG (1<<0) /* UNIMPL new plan9 `name space' */
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#define RFENVG (1<<1) /* UNIMPL copy plan9 `env space' */
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#define RFFDG (1<<2) /* copy fd table */
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#define RFNOTEG (1<<3) /* UNIMPL create new plan9 `note group' */
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#define RFPROC (1<<4) /* change child (else changes curproc) */
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#define RFMEM (1<<5) /* share `address space' */
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#define RFNOWAIT (1<<6) /* give child to init */
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#define RFCNAMEG (1<<10) /* UNIMPL zero plan9 `name space' */
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#define RFCENVG (1<<11) /* UNIMPL zero plan9 `env space' */
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#define RFCFDG (1<<12) /* close all fds, zero fd table */
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#define RFTHREAD (1<<13) /* enable kernel thread support */
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#define RFSIGSHARE (1<<14) /* share signal handlers */
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#define RFLINUXTHPN (1<<16) /* do linux clone exit parent notification */
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#define RFSTOPPED (1<<17) /* leave child in a stopped state */
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#define RFHIGHPID (1<<18) /* use a pid higher then 10 (idleproc) */
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#define RFPPWAIT (1<<31) /* parent sleeps until child exits (vfork) */
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#define RFKERNELONLY (RFSTOPPED|RFHIGHPID)
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#endif /* !_POSIX_SOURCE */
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#endif /* !_SYS_UNISTD_H_ */
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