FreeBSD/Linux Kernel Cross Reference
sys/kern/kern_posix4_mib.c

     /*-
      * Copyright (c) 1998
      *      HD Associates, Inc.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by HD Associates, Inc
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: src/sys/posix4/posix4_mib.c,v 1.3.2.1 2000/08/03 01:09:59 peter Exp $
     * $DragonFly: src/sys/kern/kern_posix4_mib.c,v 1.4 2007/06/26 19:31:08 dillon Exp $
     */
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/queue.h>
    #include <sys/sysctl.h>
    #include <sys/posix4.h>
    
    static int facility[CTL_P1003_1B_MAXID - 1];
    
    /* OID_AUTO isn't working with sysconf(3).  I guess I'd have to
     * modify it to do a lookup by name from the index.
     * For now I've left it a top-level sysctl.
     */
    
    #if 1
    
    SYSCTL_DECL(_p1003_1b);
    
    #define P1B_SYSCTL(num, name)  \
    SYSCTL_INT(_p1003_1b, num, \
            name, CTLFLAG_RD, facility + num - 1, 0, "");
    
    #else
    
    SYSCTL_DECL(_kern_p1003_1b);
    
    #define P1B_SYSCTL(num, name)  \
    SYSCTL_INT(_kern_p1003_1b, OID_AUTO, \
            name, CTLFLAG_RD, facility + num - 1, 0, "");
    SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B");
    
    #endif
    
    P1B_SYSCTL(CTL_P1003_1B_ASYNCHRONOUS_IO, asynchronous_io);
    P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files);
    P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock);
    P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range);
    P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection);
    P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing);
    P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io);
    P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling);
    P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals);
    P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores);
    P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync);
    P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects);
    P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io);
    P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers);
    P1B_SYSCTL(CTL_P1003_1B_AIO_LISTIO_MAX, aio_listio_max);
    P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max);
    P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max);
    P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max);
    P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize);
    P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max);
    P1B_SYSCTL(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max);
    P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max);
    P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max);
    P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max);
    
    /* p31b_setcfg: Set the configuration
     */
    void p31b_setcfg(int num, int value)
    {
            if (num >= 1 && num < CTL_P1003_1B_MAXID)
                    facility[num - 1] = value;
    }

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