williamr@2: /*- williamr@2: * Copyright (c) 1989, 1993 williamr@2: * The Regents of the University of California. All rights reserved. williamr@2: * williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * 1. Redistributions of source code must retain the above copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in the williamr@2: * documentation and/or other materials provided with the distribution. williamr@2: * 4. Neither the name of the University nor the names of its contributors williamr@2: * may be used to endorse or promote products derived from this software williamr@2: * without specific prior written permission. williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND williamr@2: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE williamr@2: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE williamr@2: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL williamr@2: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS williamr@2: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT williamr@2: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY williamr@2: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF williamr@2: * SUCH DAMAGE. williamr@2: * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. williamr@2: * @(#)unistd.h 8.2 (Berkeley) 1/7/94 williamr@2: * $FreeBSD: src/sys/sys/unistd.h,v 1.41 2005/01/07 02:29:24 imp Exp $ williamr@2: */ williamr@2: williamr@2: #ifndef _SYS_UNISTD_H_ williamr@2: #define _SYS_UNISTD_H_ williamr@2: williamr@2: #include williamr@2: williamr@2: /* williamr@2: * POSIX options and option groups we unconditionally do or don't williamr@2: * implement. Those options which are implemented (or not) entirely williamr@2: * in user mode are defined in . Please keep this list in williamr@2: * alphabetical order. williamr@2: * williamr@2: * Anything which is defined as zero below **must** have an williamr@2: * implementation for the corresponding sysconf() which is able to williamr@2: * determine conclusively whether or not the feature is supported. williamr@2: * Anything which is defined as other than -1 below **must** have williamr@2: * complete headers, types, and function declarations as specified by williamr@2: * the POSIX standard; however, if the relevant sysconf() function williamr@2: * returns -1, the functions may be stubbed out. williamr@2: */ williamr@2: #define _POSIX_ADVISORY_INFO -1 williamr@2: #define _POSIX_ASYNCHRONOUS_IO 0 williamr@2: #define _POSIX_CHOWN_RESTRICTED 1 williamr@2: #define _POSIX_CLOCK_SELECTION -1 williamr@2: #define _POSIX_CPUTIME -1 williamr@2: #define _POSIX_FSYNC 200112L williamr@2: #define _POSIX_IPV6 0 williamr@2: #define _POSIX_JOB_CONTROL 1 williamr@2: #define _POSIX_MAPPED_FILES 200112L williamr@2: #define _POSIX_MEMLOCK -1 williamr@2: #define _POSIX_MEMLOCK_RANGE 200112L williamr@2: #define _POSIX_MEMORY_PROTECTION 200112L williamr@2: #define _POSIX_MESSAGE_PASSING -1 williamr@2: #define _POSIX_MONOTONIC_CLOCK -1 williamr@2: #define _POSIX_NO_TRUNC 1 williamr@2: #define _POSIX_PRIORITIZED_IO -1 williamr@2: #define _POSIX_PRIORITY_SCHEDULING 200112L williamr@2: #define _POSIX_RAW_SOCKETS 200112L williamr@2: #define _POSIX_REALTIME_SIGNALS -1 williamr@2: #define _POSIX_SEMAPHORES -1 williamr@2: #define _POSIX_SHARED_MEMORY_OBJECTS 200112L williamr@2: #define _POSIX_SPORADIC_SERVER -1 williamr@2: #define _POSIX_SYNCHRONIZED_IO -1 williamr@2: #define _POSIX_TIMEOUTS -1 williamr@2: #define _POSIX_TYPED_MEMORY_OBJECTS -1 williamr@2: #define _POSIX_VDISABLE 0xff williamr@2: williamr@2: #if __XSI_VISIBLE williamr@2: #define _XOPEN_SHM 1 williamr@2: #define _XOPEN_STREAMS -1 williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Although we have saved user/group IDs, we do not use them in setuid williamr@2: * as described in POSIX 1003.1, because the feature does not work for williamr@2: * root. We use the saved IDs in seteuid/setegid, which are not currently williamr@2: * part of the POSIX 1003.1 specification. XXX revisit for 1003.1-2001 williamr@2: * as this is now mandatory. williamr@2: */ williamr@2: #ifdef _NOT_AVAILABLE williamr@2: #define _POSIX_SAVED_IDS 1 /* saved set-user-ID and set-group-ID */ williamr@2: #endif williamr@2: williamr@2: /* Define the POSIX.1 version we target for compliance. */ williamr@2: #define _POSIX_VERSION 200112L williamr@2: williamr@2: /* access function */ williamr@2: #define F_OK 0 /* test for existence of file */ williamr@2: #define X_OK 0x01 /* test for execute or search permission */ williamr@2: #define W_OK 0x02 /* test for write permission */ williamr@2: #define R_OK 0x04 /* test for read permission */ williamr@2: williamr@2: /* whence values for lseek(2) */ williamr@2: #ifndef SEEK_SET williamr@2: #define SEEK_SET 0 /* set file offset to offset */ williamr@2: #define SEEK_CUR 1 /* set file offset to current plus offset */ williamr@2: #define SEEK_END 2 /* set file offset to EOF plus offset */ williamr@2: #endif williamr@2: williamr@2: #ifndef _POSIX_SOURCE williamr@2: /* whence values for lseek(2); renamed by POSIX 1003.1 */ williamr@2: #define L_SET SEEK_SET williamr@2: #define L_INCR SEEK_CUR williamr@2: #define L_XTND SEEK_END williamr@2: #endif williamr@2: williamr@2: /* configurable pathname variables */ williamr@2: #define _PC_LINK_MAX 1 williamr@2: #define _PC_MAX_CANON 2 williamr@2: #define _PC_MAX_INPUT 3 williamr@2: #define _PC_NAME_MAX 4 williamr@2: #define _PC_PATH_MAX 5 williamr@2: #define _PC_PIPE_BUF 6 williamr@2: #define _PC_CHOWN_RESTRICTED 7 williamr@2: #define _PC_NO_TRUNC 8 williamr@2: #define _PC_VDISABLE 9 williamr@2: williamr@2: /* williamr@2: #if __POSIX_VISIBLE >= 199309 williamr@2: #define _PC_ASYNC_IO 53 williamr@2: #define _PC_PRIO_IO 54 williamr@2: #define _PC_SYNC_IO 55 williamr@2: #endif williamr@2: williamr@2: williamr@2: #if __POSIX_VISIBLE >= 200112 williamr@2: #define _PC_ALLOC_SIZE_MIN 10 williamr@2: #define _PC_FILESIZEBITS 12 williamr@2: #define _PC_REC_INCR_XFER_SIZE 14 williamr@2: #define _PC_REC_MAX_XFER_SIZE 15 williamr@2: #define _PC_REC_MIN_XFER_SIZE 16 williamr@2: #define _PC_REC_XFER_ALIGN 17 williamr@2: #define _PC_SYMLINK_MAX 18 williamr@2: #endif williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: #define _PC_ACL_EXTENDED 59 williamr@2: #define _PC_ACL_PATH_MAX 60 williamr@2: #define _PC_CAP_PRESENT 61 williamr@2: #define _PC_INF_PRESENT 62 williamr@2: #define _PC_MAC_PRESENT 63 williamr@2: #endif williamr@2: */ williamr@2: #if __BSD_VISIBLE williamr@2: /* williamr@2: * rfork() options. williamr@2: * williamr@2: * XXX currently, some operations without RFPROC set are not supported. williamr@2: */ williamr@2: #define RFNAMEG (1<<0) /* UNIMPL new plan9 `name space' */ williamr@2: #define RFENVG (1<<1) /* UNIMPL copy plan9 `env space' */ williamr@2: #define RFFDG (1<<2) /* copy fd table */ williamr@2: #define RFNOTEG (1<<3) /* UNIMPL create new plan9 `note group' */ williamr@2: #define RFPROC (1<<4) /* change child (else changes curproc) */ williamr@2: #define RFMEM (1<<5) /* share `address space' */ williamr@2: #define RFNOWAIT (1<<6) /* give child to init */ williamr@2: #define RFCNAMEG (1<<10) /* UNIMPL zero plan9 `name space' */ williamr@2: #define RFCENVG (1<<11) /* UNIMPL zero plan9 `env space' */ williamr@2: #define RFCFDG (1<<12) /* close all fds, zero fd table */ williamr@2: #define RFTHREAD (1<<13) /* enable kernel thread support */ williamr@2: #define RFSIGSHARE (1<<14) /* share signal handlers */ williamr@2: #define RFLINUXTHPN (1<<16) /* do linux clone exit parent notification */ williamr@2: #define RFSTOPPED (1<<17) /* leave child in a stopped state */ williamr@2: #define RFHIGHPID (1<<18) /* use a pid higher then 10 (idleproc) */ williamr@2: #define RFPPWAIT (1<<31) /* parent sleeps until child exits (vfork) */ williamr@2: #define RFKERNELONLY (RFSTOPPED | RFHIGHPID | RFPPWAIT) williamr@2: williamr@2: #endif /* __BSD_VISIBLE */ williamr@2: williamr@2: #endif /* !_SYS_UNISTD_H_ */