14ebfc0219
Initialize the POSIX.1b sysconf information appropriately for non-optional kernel functions.
116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/*-
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* Copyright (c) 1998
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* HD Associates, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by HD Associates, Inc
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <posix4/posix4.h>
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static int facility[CTL_P1003_1B_MAXID - 1];
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/* OID_AUTO isn't working with sysconf(3). I guess I'd have to
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* modify it to do a lookup by name from the index.
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* For now I've left it a top-level sysctl.
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*/
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#if 1
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SYSCTL_DECL(_p1003_1b);
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#define P1B_SYSCTL(num, name) \
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SYSCTL_INT(_p1003_1b, num, \
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name, CTLFLAG_RD, facility + num - 1, 0, "");
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#else
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SYSCTL_DECL(_kern_p1003_1b);
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#define P1B_SYSCTL(num, name) \
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SYSCTL_INT(_kern_p1003_1b, OID_AUTO, \
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name, CTLFLAG_RD, facility + num - 1, 0, "");
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SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B");
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#endif
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P1B_SYSCTL(CTL_P1003_1B_ASYNCHRONOUS_IO, asynchronous_io);
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P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files);
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P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock);
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P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range);
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P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection);
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P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing);
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P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io);
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P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling);
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P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals);
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P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores);
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P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync);
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P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects);
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P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io);
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P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers);
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P1B_SYSCTL(CTL_P1003_1B_AIO_LISTIO_MAX, aio_listio_max);
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P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max);
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P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max);
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P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max);
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P1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max);
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P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize);
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P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max);
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P1B_SYSCTL(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max);
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P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max);
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P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max);
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P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max);
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/* p31b_setcfg: Set the configuration
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*/
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void p31b_setcfg(int num, int value)
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{
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if (num >= 1 && num < CTL_P1003_1B_MAXID)
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facility[num - 1] = value;
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}
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/*
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* Turn on indications for standard (non-configurable) kernel features.
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*/
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static void
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p31b_set_standard(void *dummy)
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{
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/* ??? p31b_setcfg(CTL_P1003_1B_FSYNC, 1); */
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p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 1);
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p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 1);
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p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE);
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}
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SYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard,
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0);
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