| 1 | /** @file
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| 2 | * FreeBSD 5.3
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| 3 | * @todo This needs more LIBC tuning!
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| 4 | * @changed bird: initial LIBC setup.
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| 5 | */
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| 6 | /*
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| 7 | * Copyright (c) 1989, 1993
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| 8 | * The Regents of the University of California. All rights reserved.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | * 4. Neither the name of the University nor the names of its contributors
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| 19 | * may be used to endorse or promote products derived from this software
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| 20 | * without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 32 | * SUCH DAMAGE.
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| 33 | *
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| 34 | * @(#)unistd.h 8.2 (Berkeley) 1/7/94
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| 35 | * $FreeBSD: src/sys/sys/unistd.h,v 1.40 2004/04/07 04:19:50 imp Exp $
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| 36 | */
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| 37 |
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| 38 | #ifndef _SYS_UNISTD_H_
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| 39 | #define _SYS_UNISTD_H_
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| 40 |
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| 41 | #include <sys/cdefs.h>
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| 42 |
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| 43 | /*
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| 44 | * POSIX options and option groups we unconditionally do or don't
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| 45 | * implement. Those options which are implemented (or not) entirely
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| 46 | * in user mode are defined in <unistd.h>. Please keep this list in
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| 47 | * alphabetical order.
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| 48 | *
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| 49 | * Anything which is defined as zero below **must** have an
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| 50 | * implementation for the corresponding sysconf() which is able to
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| 51 | * determine conclusively whether or not the feature is supported.
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| 52 | * Anything which is defined as other than -1 below **must** have
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| 53 | * complete headers, types, and function declarations as specified by
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| 54 | * the POSIX standard; however, if the relevant sysconf() function
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| 55 | * returns -1, the functions may be stubbed out.
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| 56 | */
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| 57 | #define _POSIX_ADVISORY_INFO -1
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| 58 | #define _POSIX_ASYNCHRONOUS_IO -1 /*bird: 0*/
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| 59 | #define _POSIX_CHOWN_RESTRICTED -1 /*bird: 1*/
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| 60 | #define _POSIX_CLOCK_SELECTION -1
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| 61 | #define _POSIX_CPUTIME -1
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| 62 | #define _POSIX_FSYNC 200112L
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| 63 | #define _POSIX_IPV6 0
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| 64 | #define _POSIX_JOB_CONTROL 1
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| 65 | #define _POSIX_MAPPED_FILES -1 /*bird: 200112L */
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| 66 | #define _POSIX_MEMLOCK -1
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| 67 | #define _POSIX_MEMLOCK_RANGE -1 /*bird: 200112L */
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| 68 | #define _POSIX_MEMORY_PROTECTION 200112L
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| 69 | #define _POSIX_MESSAGE_PASSING -1
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| 70 | #define _POSIX_MONOTONIC_CLOCK -1
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| 71 | #define _POSIX_NO_TRUNC 1
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| 72 | #define _POSIX_PRIORITIZED_IO -1
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| 73 | #define _POSIX_PRIORITY_SCHEDULING -1 /*bird: 200112L*/
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| 74 | #define _POSIX_RAW_SOCKETS -1 /*bird: 200112L*/
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| 75 | #define _POSIX_REALTIME_SIGNALS -1
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| 76 | #define _POSIX_SEMAPHORES -1
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| 77 | #define _POSIX_SHARED_MEMORY_OBJECTS -1 /*bird: 200112L*/
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| 78 | #define _POSIX_SPORADIC_SERVER -1
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| 79 | #define _POSIX_SYNCHRONIZED_IO -1
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| 80 | #define _POSIX_TIMEOUTS -1
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| 81 | #define _POSIX_TYPED_MEMORY_OBJECTS -1
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| 82 | #define _POSIX_VDISABLE 0xff
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| 83 |
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| 84 | #if __XSI_VISIBLE
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| 85 | #define _XOPEN_SHM -1 /*bird: 1 */
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| 86 | #define _XOPEN_STREAMS -1
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| 87 | #endif
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| 88 |
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| 89 | /*
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| 90 | * Although we have saved user/group IDs, we do not use them in setuid
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| 91 | * as described in POSIX 1003.1, because the feature does not work for
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| 92 | * root. We use the saved IDs in seteuid/setegid, which are not currently
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| 93 | * part of the POSIX 1003.1 specification. XXX revisit for 1003.1-2001
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| 94 | * as this is now mandatory.
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| 95 | */
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| 96 | #ifdef _NOT_AVAILABLE
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| 97 | #define _POSIX_SAVED_IDS 1 /* saved set-user-ID and set-group-ID */
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| 98 | #endif
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| 99 |
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| 100 | /* Define the POSIX.1 version we target for compliance. */
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| 101 | #define _POSIX_VERSION 200112L
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| 102 |
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| 103 | /* access function */
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| 104 | #define F_OK 0 /* test for existence of file */
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| 105 | #define X_OK 0x01 /* test for execute or search permission */
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| 106 | #define W_OK 0x02 /* test for write permission */
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| 107 | #define R_OK 0x04 /* test for read permission */
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| 108 |
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| 109 | /* whence values for lseek(2) */
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| 110 | #ifndef SEEK_SET
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| 111 | #define SEEK_SET 0 /* set file offset to offset */
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| 112 | #define SEEK_CUR 1 /* set file offset to current plus offset */
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| 113 | #define SEEK_END 2 /* set file offset to EOF plus offset */
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| 114 | #endif
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| 115 |
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| 116 | #ifndef _POSIX_SOURCE
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| 117 | /* whence values for lseek(2); renamed by POSIX 1003.1 */
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| 118 | #define L_SET SEEK_SET
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| 119 | #define L_INCR SEEK_CUR
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| 120 | #define L_XTND SEEK_END
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| 121 | #endif
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| 122 |
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| 123 | /* configurable pathname variables */
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| 124 | #define _PC_LINK_MAX 1
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| 125 | #define _PC_MAX_CANON 2
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| 126 | #define _PC_MAX_INPUT 3
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| 127 | #define _PC_NAME_MAX 4
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| 128 | #define _PC_PATH_MAX 5
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| 129 | #define _PC_PIPE_BUF 6
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| 130 | #define _PC_CHOWN_RESTRICTED 7
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| 131 | #define _PC_NO_TRUNC 8
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| 132 | #define _PC_VDISABLE 9
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| 133 |
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| 134 | #if __POSIX_VISIBLE >= 199309
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| 135 | #define _PC_ASYNC_IO 53
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| 136 | #define _PC_PRIO_IO 54
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| 137 | #define _PC_SYNC_IO 55
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| 138 | #endif
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| 139 |
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| 140 | #if __POSIX_VISIBLE >= 200112
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| 141 | #define _PC_ALLOC_SIZE_MIN 10
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| 142 | #define _PC_FILESIZEBITS 12
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| 143 | #define _PC_REC_INCR_XFER_SIZE 14
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| 144 | #define _PC_REC_MAX_XFER_SIZE 15
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| 145 | #define _PC_REC_MIN_XFER_SIZE 16
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| 146 | #define _PC_REC_XFER_ALIGN 17
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| 147 | #define _PC_SYMLINK_MAX 18
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| 148 | #endif
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| 149 |
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| 150 | #if __BSD_VISIBLE
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| 151 | #define _PC_ACL_EXTENDED 59
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| 152 | #define _PC_ACL_PATH_MAX 60
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| 153 | #define _PC_CAP_PRESENT 61
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| 154 | #define _PC_INF_PRESENT 62
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| 155 | #define _PC_MAC_PRESENT 63
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| 156 | #endif
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| 157 |
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| 158 | #if 0 /* bird */
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| 159 | #if __BSD_VISIBLE
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| 160 | /*
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| 161 | * rfork() options.
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| 162 | *
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| 163 | * XXX currently, some operations without RFPROC set are not supported.
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| 164 | */
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| 165 | #define RFNAMEG (1<<0) /* UNIMPL new plan9 `name space' */
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| 166 | #define RFENVG (1<<1) /* UNIMPL copy plan9 `env space' */
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| 167 | #define RFFDG (1<<2) /* copy fd table */
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| 168 | #define RFNOTEG (1<<3) /* UNIMPL create new plan9 `note group' */
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| 169 | #define RFPROC (1<<4) /* change child (else changes curproc) */
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| 170 | #define RFMEM (1<<5) /* share `address space' */
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| 171 | #define RFNOWAIT (1<<6) /* give child to init */
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| 172 | #define RFCNAMEG (1<<10) /* UNIMPL zero plan9 `name space' */
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| 173 | #define RFCENVG (1<<11) /* UNIMPL zero plan9 `env space' */
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| 174 | #define RFCFDG (1<<12) /* close all fds, zero fd table */
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| 175 | #define RFTHREAD (1<<13) /* enable kernel thread support */
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| 176 | #define RFSIGSHARE (1<<14) /* share signal handlers */
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| 177 | #define RFLINUXTHPN (1<<16) /* do linux clone exit parent notification */
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| 178 | #define RFSTOPPED (1<<17) /* leave child in a stopped state */
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| 179 | #define RFHIGHPID (1<<18) /* use a pid higher then 10 (idleproc) */
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| 180 | #define RFPPWAIT (1<<31) /* parent sleeps until child exits (vfork) */
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| 181 | #define RFKERNELONLY (RFSTOPPED | RFHIGHPID | RFPPWAIT)
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| 182 |
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| 183 | #endif /* __BSD_VISIBLE */
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| 184 | #endif /* bird */
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| 185 |
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| 186 | #endif /* !_SYS_UNISTD_H_ */
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