NetBSD/sys/compat/irix/irix_ioctl.c

103 lines
3.4 KiB
C

/* $NetBSD: irix_ioctl.c,v 1.1 2002/03/03 20:12:17 manu Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Emmanuel Dreyfus
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: irix_ioctl.c,v 1.1 2002/03/03 20:12:17 manu Exp $");
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/file.h>
#include <sys/filio.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <compat/svr4/svr4_types.h>
#include <compat/svr4/svr4_lwp.h>
#include <compat/svr4/svr4_ucontext.h>
#include <compat/svr4/svr4_signal.h>
#include <compat/svr4/svr4_syscall.h>
#include <compat/svr4/svr4_syscallargs.h>
#include <compat/irix/irix_ioctl.h>
#include <compat/irix/irix_signal.h>
#include <compat/irix/irix_types.h>
#include <compat/irix/irix_syscallargs.h>
int
irix_sys_ioctl(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct irix_sys_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(caddr_t) data;
} */ *uap = v;
u_long cmd;
struct file *fp;
struct filedesc *fdp;
/*
* This duplicates 6 lines from svr4_sys_ioctl()
* It would be nice to merge it.
*/
fdp = p->p_fd;
cmd = SCARG(uap, com);
if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
return EBADF;
if ((fp->f_flag & (FREAD | FWRITE)) == 0)
return EBADF;
switch (cmd) {
case IRIX_SIOCNREAD: /* number of bytes to read */
return (*(fp->f_ops->fo_ioctl))(fp, FIONREAD,
SCARG(uap, data), p);
break;
default: /* Fallback to the standard SVR4 ioctl's */
return svr4_sys_ioctl(p, v, retval);
}
/* NOTREACHED */
return 0;
}