1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (c) 1989, 1993 3*199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4*199767f8SToomas Soome * 5*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 6*199767f8SToomas Soome * modification, are permitted provided that the following conditions 7*199767f8SToomas Soome * are met: 8*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 9*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 10*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 11*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 12*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 13*199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 14*199767f8SToomas Soome * may be used to endorse or promote products derived from this software 15*199767f8SToomas Soome * without specific prior written permission. 16*199767f8SToomas Soome * 17*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*199767f8SToomas Soome * SUCH DAMAGE. 28*199767f8SToomas Soome * 29*199767f8SToomas Soome * @(#)unistd.h 8.2 (Berkeley) 1/7/94 30*199767f8SToomas Soome * $FreeBSD$ 31*199767f8SToomas Soome */ 32*199767f8SToomas Soome 33*199767f8SToomas Soome #ifndef _SYS_UNISTD_H_ 34*199767f8SToomas Soome #define _SYS_UNISTD_H_ 35*199767f8SToomas Soome 36*199767f8SToomas Soome #include <sys/cdefs.h> 37*199767f8SToomas Soome 38*199767f8SToomas Soome /* 39*199767f8SToomas Soome * POSIX options and option groups we unconditionally do or don't 40*199767f8SToomas Soome * implement. Those options which are implemented (or not) entirely 41*199767f8SToomas Soome * in user mode are defined in <unistd.h>. Please keep this list in 42*199767f8SToomas Soome * alphabetical order. 43*199767f8SToomas Soome * 44*199767f8SToomas Soome * Anything which is defined as zero below **must** have an 45*199767f8SToomas Soome * implementation for the corresponding sysconf() which is able to 46*199767f8SToomas Soome * determine conclusively whether or not the feature is supported. 47*199767f8SToomas Soome * Anything which is defined as other than -1 below **must** have 48*199767f8SToomas Soome * complete headers, types, and function declarations as specified by 49*199767f8SToomas Soome * the POSIX standard; however, if the relevant sysconf() function 50*199767f8SToomas Soome * returns -1, the functions may be stubbed out. 51*199767f8SToomas Soome */ 52*199767f8SToomas Soome #define _POSIX_ADVISORY_INFO 200112L 53*199767f8SToomas Soome #define _POSIX_ASYNCHRONOUS_IO 0 54*199767f8SToomas Soome #define _POSIX_CHOWN_RESTRICTED 1 55*199767f8SToomas Soome #define _POSIX_CLOCK_SELECTION (-1) 56*199767f8SToomas Soome #define _POSIX_CPUTIME 200112L 57*199767f8SToomas Soome #define _POSIX_FSYNC 200112L 58*199767f8SToomas Soome #define _POSIX_IPV6 0 59*199767f8SToomas Soome #define _POSIX_JOB_CONTROL 1 60*199767f8SToomas Soome #define _POSIX_MAPPED_FILES 200112L 61*199767f8SToomas Soome #define _POSIX_MEMLOCK (-1) 62*199767f8SToomas Soome #define _POSIX_MEMLOCK_RANGE 200112L 63*199767f8SToomas Soome #define _POSIX_MEMORY_PROTECTION 200112L 64*199767f8SToomas Soome #define _POSIX_MESSAGE_PASSING 200112L 65*199767f8SToomas Soome #define _POSIX_MONOTONIC_CLOCK 200112L 66*199767f8SToomas Soome #define _POSIX_NO_TRUNC 1 67*199767f8SToomas Soome #define _POSIX_PRIORITIZED_IO (-1) 68*199767f8SToomas Soome #define _POSIX_PRIORITY_SCHEDULING 200112L 69*199767f8SToomas Soome #define _POSIX_RAW_SOCKETS 200112L 70*199767f8SToomas Soome #define _POSIX_REALTIME_SIGNALS 200112L 71*199767f8SToomas Soome #define _POSIX_SEMAPHORES 200112L 72*199767f8SToomas Soome #define _POSIX_SHARED_MEMORY_OBJECTS 200112L 73*199767f8SToomas Soome #define _POSIX_SPORADIC_SERVER (-1) 74*199767f8SToomas Soome #define _POSIX_SYNCHRONIZED_IO (-1) 75*199767f8SToomas Soome #define _POSIX_TIMEOUTS 200112L 76*199767f8SToomas Soome #define _POSIX_TIMERS 200112L 77*199767f8SToomas Soome #define _POSIX_TYPED_MEMORY_OBJECTS (-1) 78*199767f8SToomas Soome #define _POSIX_VDISABLE 0xff 79*199767f8SToomas Soome 80*199767f8SToomas Soome #if __XSI_VISIBLE 81*199767f8SToomas Soome #define _XOPEN_SHM 1 82*199767f8SToomas Soome #define _XOPEN_STREAMS (-1) 83*199767f8SToomas Soome #endif 84*199767f8SToomas Soome 85*199767f8SToomas Soome /* 86*199767f8SToomas Soome * Although we have saved user/group IDs, we do not use them in setuid 87*199767f8SToomas Soome * as described in POSIX 1003.1, because the feature does not work for 88*199767f8SToomas Soome * root. We use the saved IDs in seteuid/setegid, which are not currently 89*199767f8SToomas Soome * part of the POSIX 1003.1 specification. XXX revisit for 1003.1-2001 90*199767f8SToomas Soome * as this is now mandatory. 91*199767f8SToomas Soome */ 92*199767f8SToomas Soome #ifdef _NOT_AVAILABLE 93*199767f8SToomas Soome #define _POSIX_SAVED_IDS 1 /* saved set-user-ID and set-group-ID */ 94*199767f8SToomas Soome #endif 95*199767f8SToomas Soome 96*199767f8SToomas Soome /* Define the POSIX.1 version we target for compliance. */ 97*199767f8SToomas Soome #define _POSIX_VERSION 200112L 98*199767f8SToomas Soome 99*199767f8SToomas Soome /* access function */ 100*199767f8SToomas Soome #define F_OK 0 /* test for existence of file */ 101*199767f8SToomas Soome #define X_OK 0x01 /* test for execute or search permission */ 102*199767f8SToomas Soome #define W_OK 0x02 /* test for write permission */ 103*199767f8SToomas Soome #define R_OK 0x04 /* test for read permission */ 104*199767f8SToomas Soome 105*199767f8SToomas Soome /* whence values for lseek(2) */ 106*199767f8SToomas Soome #ifndef SEEK_SET 107*199767f8SToomas Soome #define SEEK_SET 0 /* set file offset to offset */ 108*199767f8SToomas Soome #define SEEK_CUR 1 /* set file offset to current plus offset */ 109*199767f8SToomas Soome #define SEEK_END 2 /* set file offset to EOF plus offset */ 110*199767f8SToomas Soome #endif 111*199767f8SToomas Soome #if __BSD_VISIBLE 112*199767f8SToomas Soome #define SEEK_DATA 3 /* set file offset to next data past offset */ 113*199767f8SToomas Soome #define SEEK_HOLE 4 /* set file offset to next hole past offset */ 114*199767f8SToomas Soome #endif 115*199767f8SToomas Soome 116*199767f8SToomas Soome #ifndef _POSIX_SOURCE 117*199767f8SToomas Soome /* whence values for lseek(2); renamed by POSIX 1003.1 */ 118*199767f8SToomas Soome #define L_SET SEEK_SET 119*199767f8SToomas Soome #define L_INCR SEEK_CUR 120*199767f8SToomas Soome #define L_XTND SEEK_END 121*199767f8SToomas Soome #endif 122*199767f8SToomas Soome 123*199767f8SToomas Soome /* configurable pathname variables */ 124*199767f8SToomas Soome #define _PC_LINK_MAX 1 125*199767f8SToomas Soome #define _PC_MAX_CANON 2 126*199767f8SToomas Soome #define _PC_MAX_INPUT 3 127*199767f8SToomas Soome #define _PC_NAME_MAX 4 128*199767f8SToomas Soome #define _PC_PATH_MAX 5 129*199767f8SToomas Soome #define _PC_PIPE_BUF 6 130*199767f8SToomas Soome #define _PC_CHOWN_RESTRICTED 7 131*199767f8SToomas Soome #define _PC_NO_TRUNC 8 132*199767f8SToomas Soome #define _PC_VDISABLE 9 133*199767f8SToomas Soome 134*199767f8SToomas Soome #if __POSIX_VISIBLE >= 199309 135*199767f8SToomas Soome #define _PC_ASYNC_IO 53 136*199767f8SToomas Soome #define _PC_PRIO_IO 54 137*199767f8SToomas Soome #define _PC_SYNC_IO 55 138*199767f8SToomas Soome #endif 139*199767f8SToomas Soome 140*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200112 141*199767f8SToomas Soome #define _PC_ALLOC_SIZE_MIN 10 142*199767f8SToomas Soome #define _PC_FILESIZEBITS 12 143*199767f8SToomas Soome #define _PC_REC_INCR_XFER_SIZE 14 144*199767f8SToomas Soome #define _PC_REC_MAX_XFER_SIZE 15 145*199767f8SToomas Soome #define _PC_REC_MIN_XFER_SIZE 16 146*199767f8SToomas Soome #define _PC_REC_XFER_ALIGN 17 147*199767f8SToomas Soome #define _PC_SYMLINK_MAX 18 148*199767f8SToomas Soome #endif 149*199767f8SToomas Soome 150*199767f8SToomas Soome #if __BSD_VISIBLE 151*199767f8SToomas Soome #define _PC_ACL_EXTENDED 59 152*199767f8SToomas Soome #define _PC_ACL_PATH_MAX 60 153*199767f8SToomas Soome #define _PC_CAP_PRESENT 61 154*199767f8SToomas Soome #define _PC_INF_PRESENT 62 155*199767f8SToomas Soome #define _PC_MAC_PRESENT 63 156*199767f8SToomas Soome #define _PC_ACL_NFS4 64 157*199767f8SToomas Soome #endif 158*199767f8SToomas Soome 159*199767f8SToomas Soome /* From OpenSolaris, used by SEEK_DATA/SEEK_HOLE. */ 160*199767f8SToomas Soome #define _PC_MIN_HOLE_SIZE 21 161*199767f8SToomas Soome 162*199767f8SToomas Soome #if __BSD_VISIBLE 163*199767f8SToomas Soome /* 164*199767f8SToomas Soome * rfork() options. 165*199767f8SToomas Soome * 166*199767f8SToomas Soome * XXX currently, some operations without RFPROC set are not supported. 167*199767f8SToomas Soome */ 168*199767f8SToomas Soome #define RFNAMEG (1<<0) /* UNIMPL new plan9 `name space' */ 169*199767f8SToomas Soome #define RFENVG (1<<1) /* UNIMPL copy plan9 `env space' */ 170*199767f8SToomas Soome #define RFFDG (1<<2) /* copy fd table */ 171*199767f8SToomas Soome #define RFNOTEG (1<<3) /* UNIMPL create new plan9 `note group' */ 172*199767f8SToomas Soome #define RFPROC (1<<4) /* change child (else changes curproc) */ 173*199767f8SToomas Soome #define RFMEM (1<<5) /* share `address space' */ 174*199767f8SToomas Soome #define RFNOWAIT (1<<6) /* give child to init */ 175*199767f8SToomas Soome #define RFCNAMEG (1<<10) /* UNIMPL zero plan9 `name space' */ 176*199767f8SToomas Soome #define RFCENVG (1<<11) /* UNIMPL zero plan9 `env space' */ 177*199767f8SToomas Soome #define RFCFDG (1<<12) /* close all fds, zero fd table */ 178*199767f8SToomas Soome #define RFTHREAD (1<<13) /* enable kernel thread support */ 179*199767f8SToomas Soome #define RFSIGSHARE (1<<14) /* share signal handlers */ 180*199767f8SToomas Soome #define RFLINUXTHPN (1<<16) /* do linux clone exit parent notification */ 181*199767f8SToomas Soome #define RFSTOPPED (1<<17) /* leave child in a stopped state */ 182*199767f8SToomas Soome #define RFHIGHPID (1<<18) /* use a pid higher than 10 (idleproc) */ 183*199767f8SToomas Soome #define RFTSIGZMB (1<<19) /* select signal for exit parent notification */ 184*199767f8SToomas Soome #define RFTSIGSHIFT 20 /* selected signal number is in bits 20-27 */ 185*199767f8SToomas Soome #define RFTSIGMASK 0xFF 186*199767f8SToomas Soome #define RFTSIGNUM(flags) (((flags) >> RFTSIGSHIFT) & RFTSIGMASK) 187*199767f8SToomas Soome #define RFTSIGFLAGS(signum) ((signum) << RFTSIGSHIFT) 188*199767f8SToomas Soome #define RFPROCDESC (1<<28) /* return a process descriptor */ 189*199767f8SToomas Soome #define RFPPWAIT (1<<31) /* parent sleeps until child exits (vfork) */ 190*199767f8SToomas Soome #define RFFLAGS (RFFDG | RFPROC | RFMEM | RFNOWAIT | RFCFDG | \ 191*199767f8SToomas Soome RFTHREAD | RFSIGSHARE | RFLINUXTHPN | RFSTOPPED | RFHIGHPID | RFTSIGZMB | \ 192*199767f8SToomas Soome RFPROCDESC | RFPPWAIT) 193*199767f8SToomas Soome #define RFKERNELONLY (RFSTOPPED | RFHIGHPID | RFPPWAIT | RFPROCDESC) 194*199767f8SToomas Soome 195*199767f8SToomas Soome #endif /* __BSD_VISIBLE */ 196*199767f8SToomas Soome 197*199767f8SToomas Soome #endif /* !_SYS_UNISTD_H_ */ 198