00001 /*- 00002 * Copyright (c) 1989, 1993 00003 * The Regents of the University of California. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 4. Neither the name of the University nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. 00029 * @(#)unistd.h 8.2 (Berkeley) 1/7/94 00030 * $FreeBSD: src/sys/sys/unistd.h,v 1.41 2005/01/07 02:29:24 imp Exp $ 00031 */ 00032 00033 #ifndef _SYS_UNISTD_H_ 00034 #define _SYS_UNISTD_H_ 00035 00036 #include <sys/cdefs.h> 00037 00038 /* 00039 * POSIX options and option groups we unconditionally do or don't 00040 * implement. Those options which are implemented (or not) entirely 00041 * in user mode are defined in <unistd.h>. Please keep this list in 00042 * alphabetical order. 00043 * 00044 * Anything which is defined as zero below **must** have an 00045 * implementation for the corresponding sysconf() which is able to 00046 * determine conclusively whether or not the feature is supported. 00047 * Anything which is defined as other than -1 below **must** have 00048 * complete headers, types, and function declarations as specified by 00049 * the POSIX standard; however, if the relevant sysconf() function 00050 * returns -1, the functions may be stubbed out. 00051 */ 00052 #define _POSIX_ADVISORY_INFO -1 00053 #define _POSIX_ASYNCHRONOUS_IO 0 00054 #define _POSIX_CHOWN_RESTRICTED 1 00055 #define _POSIX_CLOCK_SELECTION -1 00056 #define _POSIX_CPUTIME -1 00057 #define _POSIX_FSYNC 200112L 00058 #define _POSIX_IPV6 0 00059 #define _POSIX_JOB_CONTROL 1 00060 #define _POSIX_MAPPED_FILES 200112L 00061 #define _POSIX_MEMLOCK -1 00062 #define _POSIX_MEMLOCK_RANGE 200112L 00063 #define _POSIX_MEMORY_PROTECTION 200112L 00064 #define _POSIX_MESSAGE_PASSING -1 00065 #define _POSIX_MONOTONIC_CLOCK -1 00066 #define _POSIX_NO_TRUNC 1 00067 #define _POSIX_PRIORITIZED_IO -1 00068 #define _POSIX_PRIORITY_SCHEDULING 200112L 00069 #define _POSIX_RAW_SOCKETS 200112L 00070 #define _POSIX_REALTIME_SIGNALS -1 00071 #define _POSIX_SEMAPHORES -1 00072 #define _POSIX_SHARED_MEMORY_OBJECTS 200112L 00073 #define _POSIX_SPORADIC_SERVER -1 00074 #define _POSIX_SYNCHRONIZED_IO -1 00075 #define _POSIX_TIMEOUTS -1 00076 #define _POSIX_TYPED_MEMORY_OBJECTS -1 00077 #define _POSIX_VDISABLE 0xff 00078 00079 #if __XSI_VISIBLE 00080 #define _XOPEN_SHM 1 00081 #define _XOPEN_STREAMS -1 00082 #endif 00083 00084 /* 00085 * Although we have saved user/group IDs, we do not use them in setuid 00086 * as described in POSIX 1003.1, because the feature does not work for 00087 * root. We use the saved IDs in seteuid/setegid, which are not currently 00088 * part of the POSIX 1003.1 specification. XXX revisit for 1003.1-2001 00089 * as this is now mandatory. 00090 */ 00091 #ifdef _NOT_AVAILABLE 00092 #define _POSIX_SAVED_IDS 1 /* saved set-user-ID and set-group-ID */ 00093 #endif 00094 00095 /* Define the POSIX.1 version we target for compliance. */ 00096 #define _POSIX_VERSION 200112L 00097 00098 /* access function */ 00099 #define F_OK 0 /* test for existence of file */ 00100 #define X_OK 0x01 /* test for execute or search permission */ 00101 #define W_OK 0x02 /* test for write permission */ 00102 #define R_OK 0x04 /* test for read permission */ 00103 00104 /* whence values for lseek(2) */ 00105 #ifndef SEEK_SET 00106 #define SEEK_SET 0 /* set file offset to offset */ 00107 #define SEEK_CUR 1 /* set file offset to current plus offset */ 00108 #define SEEK_END 2 /* set file offset to EOF plus offset */ 00109 #endif 00110 00111 #ifndef _POSIX_SOURCE 00112 /* whence values for lseek(2); renamed by POSIX 1003.1 */ 00113 #define L_SET SEEK_SET 00114 #define L_INCR SEEK_CUR 00115 #define L_XTND SEEK_END 00116 #endif 00117 00118 /* configurable pathname variables */ 00119 #define _PC_LINK_MAX 1 00120 #define _PC_MAX_CANON 2 00121 #define _PC_MAX_INPUT 3 00122 #define _PC_NAME_MAX 4 00123 #define _PC_PATH_MAX 5 00124 #define _PC_PIPE_BUF 6 00125 #define _PC_CHOWN_RESTRICTED 7 00126 #define _PC_NO_TRUNC 8 00127 #define _PC_VDISABLE 9 00128 00129 /* 00130 #if __POSIX_VISIBLE >= 199309 00131 #define _PC_ASYNC_IO 53 00132 #define _PC_PRIO_IO 54 00133 #define _PC_SYNC_IO 55 00134 #endif 00135 00136 00137 #if __POSIX_VISIBLE >= 200112 00138 #define _PC_ALLOC_SIZE_MIN 10 00139 #define _PC_FILESIZEBITS 12 00140 #define _PC_REC_INCR_XFER_SIZE 14 00141 #define _PC_REC_MAX_XFER_SIZE 15 00142 #define _PC_REC_MIN_XFER_SIZE 16 00143 #define _PC_REC_XFER_ALIGN 17 00144 #define _PC_SYMLINK_MAX 18 00145 #endif 00146 00147 #if __BSD_VISIBLE 00148 #define _PC_ACL_EXTENDED 59 00149 #define _PC_ACL_PATH_MAX 60 00150 #define _PC_CAP_PRESENT 61 00151 #define _PC_INF_PRESENT 62 00152 #define _PC_MAC_PRESENT 63 00153 #endif 00154 */ 00155 #if __BSD_VISIBLE 00156 /* 00157 * rfork() options. 00158 * 00159 * XXX currently, some operations without RFPROC set are not supported. 00160 */ 00161 #define RFNAMEG (1<<0) /* UNIMPL new plan9 `name space' */ 00162 #define RFENVG (1<<1) /* UNIMPL copy plan9 `env space' */ 00163 #define RFFDG (1<<2) /* copy fd table */ 00164 #define RFNOTEG (1<<3) /* UNIMPL create new plan9 `note group' */ 00165 #define RFPROC (1<<4) /* change child (else changes curproc) */ 00166 #define RFMEM (1<<5) /* share `address space' */ 00167 #define RFNOWAIT (1<<6) /* give child to init */ 00168 #define RFCNAMEG (1<<10) /* UNIMPL zero plan9 `name space' */ 00169 #define RFCENVG (1<<11) /* UNIMPL zero plan9 `env space' */ 00170 #define RFCFDG (1<<12) /* close all fds, zero fd table */ 00171 #define RFTHREAD (1<<13) /* enable kernel thread support */ 00172 #define RFSIGSHARE (1<<14) /* share signal handlers */ 00173 #define RFLINUXTHPN (1<<16) /* do linux clone exit parent notification */ 00174 #define RFSTOPPED (1<<17) /* leave child in a stopped state */ 00175 #define RFHIGHPID (1<<18) /* use a pid higher then 10 (idleproc) */ 00176 #define RFPPWAIT (1<<31) /* parent sleeps until child exits (vfork) */ 00177 #define RFKERNELONLY (RFSTOPPED | RFHIGHPID | RFPPWAIT) 00178 00179 #endif /* __BSD_VISIBLE */ 00180 00181 #endif /* !_SYS_UNISTD_H_ */