1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <sys/param.h> 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <sys/sysmacros.h> 36*0Sstevel@tonic-gate #include <sys/systm.h> 37*0Sstevel@tonic-gate #include <sys/tuneable.h> 38*0Sstevel@tonic-gate #include <sys/errno.h> 39*0Sstevel@tonic-gate #include <sys/var.h> 40*0Sstevel@tonic-gate #include <sys/signal.h> 41*0Sstevel@tonic-gate #include <sys/time.h> 42*0Sstevel@tonic-gate #include <sys/sysconfig.h> 43*0Sstevel@tonic-gate #include <sys/resource.h> 44*0Sstevel@tonic-gate #include <sys/ulimit.h> 45*0Sstevel@tonic-gate #include <sys/unistd.h> 46*0Sstevel@tonic-gate #include <sys/debug.h> 47*0Sstevel@tonic-gate #include <sys/cpuvar.h> 48*0Sstevel@tonic-gate #include <sys/mman.h> 49*0Sstevel@tonic-gate #include <sys/timer.h> 50*0Sstevel@tonic-gate #include <sys/zone.h> 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate long 53*0Sstevel@tonic-gate sysconfig(int which) 54*0Sstevel@tonic-gate { 55*0Sstevel@tonic-gate switch (which) { 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * if it is not handled in mach_sysconfig either 59*0Sstevel@tonic-gate * it must be EINVAL. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate default: 62*0Sstevel@tonic-gate return (mach_sysconfig(which)); /* `uname -i`/os */ 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate case _CONFIG_CLK_TCK: 65*0Sstevel@tonic-gate return ((long)hz); /* clock frequency per second */ 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate case _CONFIG_PROF_TCK: 68*0Sstevel@tonic-gate return ((long)hz); /* profiling clock freq per sec */ 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate case _CONFIG_NGROUPS: 71*0Sstevel@tonic-gate /* 72*0Sstevel@tonic-gate * Maximum number of supplementary groups. 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate return (ngroups_max); 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate case _CONFIG_OPEN_FILES: 77*0Sstevel@tonic-gate /* 78*0Sstevel@tonic-gate * Maximum number of open files (soft limit). 79*0Sstevel@tonic-gate */ 80*0Sstevel@tonic-gate { 81*0Sstevel@tonic-gate rlim64_t fd_ctl; 82*0Sstevel@tonic-gate mutex_enter(&curproc->p_lock); 83*0Sstevel@tonic-gate fd_ctl = rctl_enforced_value( 84*0Sstevel@tonic-gate rctlproc_legacy[RLIMIT_NOFILE], curproc->p_rctls, 85*0Sstevel@tonic-gate curproc); 86*0Sstevel@tonic-gate mutex_exit(&curproc->p_lock); 87*0Sstevel@tonic-gate return ((ulong_t)fd_ctl); 88*0Sstevel@tonic-gate } 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate case _CONFIG_CHILD_MAX: 91*0Sstevel@tonic-gate /* 92*0Sstevel@tonic-gate * Maximum number of processes. 93*0Sstevel@tonic-gate */ 94*0Sstevel@tonic-gate return (v.v_maxup); 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate case _CONFIG_POSIX_VER: 97*0Sstevel@tonic-gate return (_POSIX_VERSION); /* current POSIX version */ 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate case _CONFIG_PAGESIZE: 100*0Sstevel@tonic-gate return (PAGESIZE); 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate case _CONFIG_XOPEN_VER: 103*0Sstevel@tonic-gate return (_XOPEN_VERSION); /* current XOPEN version */ 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate case _CONFIG_NPROC_CONF: 106*0Sstevel@tonic-gate return (zone_ncpus_get(curproc->p_zone)); 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate case _CONFIG_NPROC_ONLN: 109*0Sstevel@tonic-gate return (zone_ncpus_online_get(curproc->p_zone)); 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate case _CONFIG_NPROC_MAX: 112*0Sstevel@tonic-gate return (max_ncpus); 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate case _CONFIG_STACK_PROT: 115*0Sstevel@tonic-gate return (curproc->p_stkprot & ~PROT_USER); 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate case _CONFIG_AIO_LISTIO_MAX: 118*0Sstevel@tonic-gate return (_AIO_LISTIO_MAX); 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate case _CONFIG_AIO_MAX: 121*0Sstevel@tonic-gate return (_AIO_MAX); 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate case _CONFIG_AIO_PRIO_DELTA_MAX: 124*0Sstevel@tonic-gate return (0); 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate case _CONFIG_DELAYTIMER_MAX: 127*0Sstevel@tonic-gate return (INT_MAX); 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate case _CONFIG_MQ_OPEN_MAX: 130*0Sstevel@tonic-gate return (_MQ_OPEN_MAX); 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate case _CONFIG_MQ_PRIO_MAX: 133*0Sstevel@tonic-gate return (_MQ_PRIO_MAX); 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate case _CONFIG_RTSIG_MAX: 136*0Sstevel@tonic-gate return (_SIGRTMAX - _SIGRTMIN + 1); 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate case _CONFIG_SEM_NSEMS_MAX: 139*0Sstevel@tonic-gate return (_SEM_NSEMS_MAX); 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate case _CONFIG_SEM_VALUE_MAX: 142*0Sstevel@tonic-gate return (_SEM_VALUE_MAX); 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate case _CONFIG_SIGQUEUE_MAX: 145*0Sstevel@tonic-gate return (_SIGQUEUE_MAX); 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate case _CONFIG_SIGRT_MIN: 148*0Sstevel@tonic-gate return (_SIGRTMIN); 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate case _CONFIG_SIGRT_MAX: 151*0Sstevel@tonic-gate return (_SIGRTMAX); 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate case _CONFIG_TIMER_MAX: 154*0Sstevel@tonic-gate return (_TIMER_MAX); 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate case _CONFIG_PHYS_PAGES: 157*0Sstevel@tonic-gate return (physinstalled); 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate case _CONFIG_AVPHYS_PAGES: 160*0Sstevel@tonic-gate return (freemem); 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate case _CONFIG_MAXPID: 163*0Sstevel@tonic-gate return (maxpid); 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate case _CONFIG_CPUID_MAX: 166*0Sstevel@tonic-gate return (max_cpuid); 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate case _CONFIG_SYMLOOP_MAX: 169*0Sstevel@tonic-gate return (MAXSYMLINKS); 170*0Sstevel@tonic-gate } 171*0Sstevel@tonic-gate } 172