b6d1d4db02
callers and appropriate routines to cope. This makes fo_stat more consistent with rest of fileops routines and also makes the fo_stat match FreeBSD as an added bonus. Discussed with Luke Mewburn on tech-kern@.
327 lines
8.6 KiB
C
327 lines
8.6 KiB
C
/* $NetBSD: osf1_descrip.c,v 1.11 2001/04/09 10:22:01 jdolecek Exp $ */
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/*
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* Copyright (c) 1999 Christopher G. Demetriou. 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 Christopher G. Demetriou
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* for the NetBSD Project.
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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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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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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/namei.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/filedesc.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/reboot.h>
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#include <sys/syscallargs.h>
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#include <sys/exec.h>
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#include <sys/vnode.h>
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#include <sys/socketvar.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <sys/wait.h>
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#include <compat/osf1/osf1.h>
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#include <compat/osf1/osf1_syscallargs.h>
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#include <compat/osf1/osf1_cvt.h>
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int
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osf1_sys_fcntl(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 osf1_sys_fcntl_args *uap = v;
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struct sys_fcntl_args a;
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struct osf1_flock oflock;
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struct flock nflock;
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unsigned long xfl, leftovers;
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caddr_t sg;
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int error;
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sg = stackgap_init(p->p_emul);
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SCARG(&a, fd) = SCARG(uap, fd);
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leftovers = 0;
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switch (SCARG(uap, cmd)) {
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case OSF1_F_DUPFD:
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SCARG(&a, cmd) = F_DUPFD;
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SCARG(&a, arg) = SCARG(uap, arg);
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break;
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case OSF1_F_GETFD:
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SCARG(&a, cmd) = F_GETFD;
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SCARG(&a, arg) = 0; /* ignored */
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break;
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case OSF1_F_SETFD:
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SCARG(&a, cmd) = F_SETFD;
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SCARG(&a, arg) = (void *)emul_flags_translate(
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osf1_fcntl_getsetfd_flags_xtab,
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(unsigned long)SCARG(uap, arg), &leftovers);
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break;
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case OSF1_F_GETFL:
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SCARG(&a, cmd) = F_GETFL;
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SCARG(&a, arg) = 0; /* ignored */
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break;
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case OSF1_F_SETFL:
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SCARG(&a, cmd) = F_SETFL;
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xfl = emul_flags_translate(osf1_open_flags_xtab,
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(unsigned long)SCARG(uap, arg), &leftovers);
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xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_xtab,
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leftovers, &leftovers);
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SCARG(&a, arg) = (void *)xfl;
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break;
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case OSF1_F_GETOWN: /* XXX not yet supported */
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case OSF1_F_SETOWN: /* XXX not yet supported */
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/* XXX translate. */
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return (EINVAL);
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case OSF1_F_GETLK:
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case OSF1_F_SETLK:
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case OSF1_F_SETLKW:
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if (SCARG(uap, cmd) == OSF1_F_GETLK)
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SCARG(&a, cmd) = F_GETLK;
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else if (SCARG(uap, cmd) == OSF1_F_SETLK)
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SCARG(&a, cmd) = F_SETLK;
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else if (SCARG(uap, cmd) == OSF1_F_SETLKW)
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SCARG(&a, cmd) = F_SETLKW;
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SCARG(&a, arg) = stackgap_alloc(&sg, sizeof nflock);
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error = copyin(SCARG(uap, arg), &oflock, sizeof oflock);
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if (error == 0)
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error = osf1_cvt_flock_to_native(&oflock, &nflock);
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if (error == 0)
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error = copyout(&nflock, SCARG(&a, arg),
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sizeof nflock);
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if (error != 0)
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return (error);
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break;
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case OSF1_F_RGETLK: /* [lock mgr op] XXX not supported */
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case OSF1_F_RSETLK: /* [lock mgr op] XXX not supported */
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case OSF1_F_CNVT: /* [lock mgr op] XXX not supported */
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case OSF1_F_RSETLKW: /* [lock mgr op] XXX not supported */
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case OSF1_F_PURGEFS: /* [lock mgr op] XXX not supported */
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case OSF1_F_PURGENFS: /* [DECsafe op] XXX not supported */
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default:
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/* XXX syslog? */
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return (EINVAL);
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}
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if (leftovers != 0)
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return (EINVAL);
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error = sys_fcntl(p, &a, retval);
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if (error)
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return error;
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switch (SCARG(uap, cmd)) {
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case OSF1_F_GETFD:
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retval[0] = emul_flags_translate(
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osf1_fcntl_getsetfd_flags_rxtab, retval[0], NULL);
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break;
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case OSF1_F_GETFL:
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xfl = emul_flags_translate(osf1_open_flags_rxtab,
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retval[0], &leftovers);
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xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_rxtab,
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leftovers, NULL);
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retval[0] = xfl;
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break;
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case OSF1_F_GETLK:
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error = copyin(SCARG(&a, arg), &nflock, sizeof nflock);
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if (error == 0) {
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osf1_cvt_flock_from_native(&nflock, &oflock);
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error = copyout(&oflock, SCARG(uap, arg),
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sizeof oflock);
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}
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break;
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}
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return error;
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}
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int
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osf1_sys_fpathconf(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 osf1_sys_fpathconf_args *uap = v;
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struct sys_fpathconf_args a;
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int error;
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SCARG(&a, fd) = SCARG(uap, fd);
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error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
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&SCARG(&a, name));
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if (error == 0)
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error = sys_fpathconf(p, &a, retval);
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return (error);
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}
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/*
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* Return status information about a file descriptor.
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*/
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int
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osf1_sys_fstat(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 osf1_sys_fstat_args *uap = v;
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struct filedesc *fdp = p->p_fd;
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struct file *fp;
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struct stat ub;
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struct osf1_stat oub;
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int error;
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if ((unsigned)SCARG(uap, fd) >= fdp->fd_nfiles ||
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(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL ||
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(fp->f_iflags & FIF_WANTCLOSE) != 0)
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return (EBADF);
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FILE_USE(fp);
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error = (*fp->f_ops->fo_stat)(fp, &ub, p);
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FILE_UNUSE(fp, p);
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osf1_cvt_stat_from_native(&ub, &oub);
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if (error == 0)
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error = copyout((caddr_t)&oub, (caddr_t)SCARG(uap, sb),
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sizeof (oub));
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return (error);
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}
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/*
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* Return status information about a file descriptor.
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*/
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int
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osf1_sys_fstat2(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 osf1_sys_fstat2_args *uap = v;
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struct filedesc *fdp = p->p_fd;
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struct file *fp;
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struct stat ub;
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struct osf1_stat2 oub;
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int error;
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if ((unsigned)SCARG(uap, fd) >= fdp->fd_nfiles ||
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(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL ||
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(fp->f_iflags & FIF_WANTCLOSE) != 0)
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return (EBADF);
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FILE_USE(fp);
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error = (*fp->f_ops->fo_stat)(fp, &ub, p);
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FILE_UNUSE(fp, p);
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osf1_cvt_stat2_from_native(&ub, &oub);
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if (error == 0)
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error = copyout((caddr_t)&oub, (caddr_t)SCARG(uap, sb),
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sizeof (oub));
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return (error);
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}
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int
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osf1_sys_ftruncate(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 osf1_sys_ftruncate_args *uap = v;
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struct sys_ftruncate_args a;
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SCARG(&a, fd) = SCARG(uap, fd);
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SCARG(&a, pad) = 0;
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SCARG(&a, length) = SCARG(uap, length);
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return sys_ftruncate(p, &a, retval);
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}
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int
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osf1_sys_lseek(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 osf1_sys_lseek_args *uap = v;
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struct sys_lseek_args a;
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SCARG(&a, fd) = SCARG(uap, fd);
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SCARG(&a, pad) = 0;
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SCARG(&a, offset) = SCARG(uap, offset);
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SCARG(&a, whence) = SCARG(uap, whence);
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return sys_lseek(p, &a, retval);
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}
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