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b40ce4165d
Note ALL MODULES MUST BE RECOMPILED make the kernel aware that there are smaller units of scheduling than the process. (but only allow one thread per process at this time). This is functionally equivalent to teh previousl -current except that there is a thread associated with each process. Sorry john! (your next MFC will be a doosie!) Reviewed by: peter@freebsd.org, dillon@freebsd.org X-MFC after: ha ha ha ha
121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/*-
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* Copyright (c) 2001 Marcel Moolenaar
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* 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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* in this position and unchanged.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "opt_compat.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/sysproto.h>
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#include <machine/../linux/linux.h>
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#include <machine/../linux/linux_proto.h>
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#include <compat/linux/linux_util.h>
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#define LINUX_CTL_KERN 1
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#define LINUX_CTL_VM 2
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#define LINUX_CTL_NET 3
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#define LINUX_CTL_PROC 4
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#define LINUX_CTL_FS 5
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#define LINUX_CTL_DEBUG 6
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#define LINUX_CTL_DEV 7
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#define LINUX_CTL_BUS 8
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/* CTL_KERN names */
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#define LINUX_KERN_OSTYPE 1
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#define LINUX_KERN_OSRELEASE 2
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#define LINUX_KERN_OSREV 3
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#define LINUX_KERN_VERSION 4
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static int
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handle_string(struct l___sysctl_args *la, char *value)
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{
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int error;
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if (la->oldval != NULL) {
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l_int len = strlen(value);
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error = copyout(value, la->oldval, len + 1);
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if (!error && la->oldlenp != NULL)
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error = copyout(&len, la->oldlenp, sizeof(len));
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if (error)
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return (error);
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}
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if (la->newval != NULL)
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return (ENOTDIR);
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return (0);
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}
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int
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linux_sysctl(struct thread *td, struct linux_sysctl_args *args)
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{
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struct l___sysctl_args la;
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l_int *mib;
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int error, i;
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caddr_t sg;
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error = copyin((caddr_t)args->args, &la, sizeof(la));
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if (error)
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return (error);
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if (la.nlen == 0 || la.nlen > LINUX_CTL_MAXNAME)
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return (ENOTDIR);
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sg = stackgap_init();
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mib = stackgap_alloc(&sg, la.nlen * sizeof(l_int));
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error = copyin(la.name, mib, la.nlen * sizeof(l_int));
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if (error)
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return (error);
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switch (mib[0]) {
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case LINUX_CTL_KERN:
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if (la.nlen < 2)
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break;
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switch (mib[1]) {
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case LINUX_KERN_VERSION:
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return (handle_string(&la, version));
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default:
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break;
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}
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break;
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default:
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break;
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}
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printf("linux: sysctl: unhandled name=");
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for (i = 0; i < la.nlen; i++)
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printf("%c%d", (i) ? ',' : '{', mib[i]);
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printf("}\n");
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return (ENOTDIR);
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}
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