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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <sys/systm.h>
#include <sys/tuneable.h>
#include <sys/errno.h>
#include <sys/var.h>
#include <sys/signal.h>
#include <sys/time.h>
#include <sys/sysconfig.h>
#include <sys/resource.h>
#include <sys/ulimit.h>
#include <sys/unistd.h>
#include <sys/debug.h>
#include <sys/cpuvar.h>
#include <sys/mman.h>
#include <sys/timer.h>
#include <sys/zone.h>
long
sysconfig(int which)
{
switch (which) {
/*
* if it is not handled in mach_sysconfig either
* it must be EINVAL.
*/
default:
return (mach_sysconfig(which)); /* `uname -i`/os */
case _CONFIG_CLK_TCK:
return ((long)hz); /* clock frequency per second */
case _CONFIG_PROF_TCK:
return ((long)hz); /* profiling clock freq per sec */
case _CONFIG_NGROUPS:
/*
* Maximum number of supplementary groups.
*/
return (ngroups_max);
case _CONFIG_OPEN_FILES:
/*
* Maximum number of open files (soft limit).
*/
{
rlim64_t fd_ctl;
mutex_enter(&curproc->p_lock);
fd_ctl = rctl_enforced_value(
rctlproc_legacy[RLIMIT_NOFILE], curproc->p_rctls,
curproc);
mutex_exit(&curproc->p_lock);
return ((ulong_t)fd_ctl);
}
case _CONFIG_CHILD_MAX:
/*
* Maximum number of processes.
*/
return (v.v_maxup);
case _CONFIG_POSIX_VER:
return (_POSIX_VERSION); /* current POSIX version */
case _CONFIG_PAGESIZE:
return (PAGESIZE);
case _CONFIG_XOPEN_VER:
return (_XOPEN_VERSION); /* current XOPEN version */
case _CONFIG_NPROC_CONF:
return (zone_ncpus_get(curproc->p_zone));
case _CONFIG_NPROC_ONLN:
return (zone_ncpus_online_get(curproc->p_zone));
case _CONFIG_NPROC_MAX:
return (max_ncpus);
case _CONFIG_STACK_PROT:
return (curproc->p_stkprot & ~PROT_USER);
case _CONFIG_AIO_LISTIO_MAX:
return (_AIO_LISTIO_MAX);
case _CONFIG_AIO_MAX:
return (_AIO_MAX);
case _CONFIG_AIO_PRIO_DELTA_MAX:
return (0);
case _CONFIG_DELAYTIMER_MAX:
return (INT_MAX);
case _CONFIG_MQ_OPEN_MAX:
return (_MQ_OPEN_MAX);
case _CONFIG_MQ_PRIO_MAX:
return (_MQ_PRIO_MAX);
case _CONFIG_RTSIG_MAX:
return (_SIGRTMAX - _SIGRTMIN + 1);
case _CONFIG_SEM_NSEMS_MAX:
return (_SEM_NSEMS_MAX);
case _CONFIG_SEM_VALUE_MAX:
return (_SEM_VALUE_MAX);
case _CONFIG_SIGQUEUE_MAX:
return (_SIGQUEUE_MAX);
case _CONFIG_SIGRT_MIN:
return (_SIGRTMIN);
case _CONFIG_SIGRT_MAX:
return (_SIGRTMAX);
case _CONFIG_TIMER_MAX:
return (timer_max);
case _CONFIG_PHYS_PAGES:
return (physinstalled);
case _CONFIG_AVPHYS_PAGES:
return (freemem);
case _CONFIG_MAXPID:
return (maxpid);
case _CONFIG_CPUID_MAX:
return (max_cpuid);
case _CONFIG_EPHID_MAX:
return (MAXEPHUID);
case _CONFIG_SYMLOOP_MAX:
return (MAXSYMLINKS);
}
}
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