125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
/* $NetBSD: freebsd_misc.c,v 1.4 1998/05/02 18:14:06 christos Exp $ */
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/*
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* Copyright (c) 1995 Frank van der Linden
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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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* 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 for the NetBSD Project
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* by Frank van der Linden
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* 4. 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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/*
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* FreeBSD compatibility module. Try to deal with various FreeBSD system calls.
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*/
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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/mount.h>
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#include <sys/syscallargs.h>
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#include <compat/freebsd/freebsd_syscallargs.h>
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#include <compat/freebsd/freebsd_util.h>
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#include <compat/freebsd/freebsd_rtprio.h>
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#include <compat/freebsd/freebsd_timex.h>
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int
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freebsd_sys_msync(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct freebsd_sys_msync_args /* {
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syscallarg(caddr_t) addr;
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syscallarg(size_t) len;
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syscallarg(int) flags;
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} */ *uap = v;
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struct sys___msync13_args bma;
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/*
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* FreeBSD-2.0-RELEASE's msync(2) is compatible with NetBSD's.
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* FreeBSD-2.0.5-RELEASE's msync(2) has addtional argument `flags',
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* but syscall number is not changed. :-<
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*/
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SCARG(&bma, addr) = SCARG(uap, addr);
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SCARG(&bma, len) = SCARG(uap, len);
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SCARG(&bma, flags) = SCARG(uap, flags);
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return sys___msync13(p, &bma, retval);
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}
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/* just a place holder */
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int
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freebsd_sys_rtprio(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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#ifdef notyet
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struct freebsd_sys_rtprio_args /* {
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syscallarg(int) function;
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syscallarg(pid_t) pid;
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syscallarg(struct freebsd_rtprio *) rtp;
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} */ *uap = v;
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#endif
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return ENOSYS; /* XXX */
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}
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int
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freebsd_ntp_adjtime(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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#ifdef notyet
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struct freebsd_ntp_adjtime_args /* {
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syscallarg(struct freebsd_timex *) tp;
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} */ *uap = v;
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#endif
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return ENOSYS; /* XXX */
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}
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int
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freebsd_sys_issetugid(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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/*
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* Note: OpenBSD sets a P_SUGIDEXEC flag set at execve() time,
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* we use P_SUGID because we consider changing the owners as
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* "tainting" as well.
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* This is significant for procs that start as root and "become"
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* a user without an exec - programs cannot know *everything*
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* that libc *might* have put in their data segment.
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*/
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*retval = (p->p_flag & P_SUGID) != 0;
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return 0;
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}
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