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/*
* linux/ibcs/stream.c
*
* Copyright 1994, 1995 Mike Jagdis (jaggy@purplet.demon.co.uk)
*
* $Id: stream.c,v 1.9 1996/07/26 12:03:39 mike Exp $
* $Source: /usr/CVS/ibcs/iBCSemul/stream.c,v $
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/version.h>
#include <asm/segment.h>
#ifndef KERNEL_DS
#include <linux/segment.h>
#endif
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/ptrace.h>
#include <linux/net.h>
#include <linux/mm.h>
#include <linux/socket.h>
#include <ibcs/ibcs.h>
#include <ibcs/stream.h>
#include <ibcs/tli.h>
#ifdef IBCS_TRACE
#include <ibcs/trace.h>
#endif
int
ibcs_getmsg(struct pt_regs *regs)
{
int fd;
struct inode *ino;
fd = (int)get_syscall_parameter (regs, 0);
if (!current->FD[fd]
|| !(ino = current->FD[fd]->f_inode))
return -EBADF;
if (!ino->i_sock)
return -EBADF;
#if defined(EMU_XTI) || defined(SPX)
return timod_getmsg(fd, ino, 0, regs);
#else
return 0;
#endif /* EMU_XTI */
}
int
ibcs_putmsg(struct pt_regs *regs)
{
int fd;
struct inode *ino;
fd = (int)get_syscall_parameter (regs, 0);
if (!current->FD[fd]
|| !(ino = current->FD[fd]->f_inode))
return -EBADF;
if (!ino->i_sock
&& (MAJOR(ino->i_rdev) != 30 || MINOR(ino->i_rdev) != 1))
return -EBADF;
#if defined(EMU_XTI) || defined(EMU_SPX)
return timod_putmsg(fd, ino, 0, regs);
#else
return 0;
#endif
}
#ifdef EMU_XTI
int
ibcs_getpmsg(struct pt_regs *regs)
{
int fd;
struct inode *ino;
fd = (int)get_syscall_parameter (regs, 0);
if (!current->FD[fd]
|| !(ino = current->FD[fd]->f_inode))
return -EBADF;
if (!ino->i_sock)
return -EBADF;
return timod_getmsg(fd, ino, 1, regs);
}
int
ibcs_putpmsg(struct pt_regs *regs)
{
int fd;
struct inode *ino;
fd = (int)get_syscall_parameter (regs, 0);
if (!current->FD[fd]
|| !(ino = current->FD[fd]->f_inode))
return -EBADF;
if (!ino->i_sock
&& (MAJOR(ino->i_rdev) != 30 || MINOR(ino->i_rdev) != 1))
return -EBADF;
return timod_putmsg(fd, ino, 1, regs);
}
#endif /* EMU_XTI */
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