swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
Tip revision: f114040e3ea6e07372334ade75d1ee0775c355e1 authored by Linus Torvalds on 20 October 2014, 01:08:38 UTC
Linux 3.18-rc1
Linux 3.18-rc1
Tip revision: f114040
ioctl.c
/*
* Implements some necessary HPUX ioctls.
*
* Copyright (C) 1999-2002 Matthew Wilcox <willy with parisc-linux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Supported ioctls:
* TCGETA
* TCSETA
* TCSETAW
* TCSETAF
* TCSBRK
* TCXONC
* TCFLSH
* TIOCGWINSZ
* TIOCSWINSZ
* TIOCGPGRP
* TIOCSPGRP
*/
#include <linux/sched.h>
#include <linux/syscalls.h>
#include <asm/errno.h>
#include <asm/ioctl.h>
#include <asm/termios.h>
#include <asm/uaccess.h>
static int hpux_ioctl_t(int fd, unsigned long cmd, unsigned long arg)
{
int result = -EOPNOTSUPP;
int nr = _IOC_NR(cmd);
switch (nr) {
case 106:
result = sys_ioctl(fd, TIOCSWINSZ, arg);
break;
case 107:
result = sys_ioctl(fd, TIOCGWINSZ, arg);
break;
}
return result;
}
int hpux_ioctl(int fd, unsigned long cmd, unsigned long arg)
{
int result = -EOPNOTSUPP;
int type = _IOC_TYPE(cmd);
switch (type) {
case 'T':
/* Our structures are now compatible with HPUX's */
result = sys_ioctl(fd, cmd, arg);
break;
case 't':
result = hpux_ioctl_t(fd, cmd, arg);
break;
}
return result;
}