sco-mdep.h

7号信令功能代码,为开源代码

/************************************************************************
*                   SCO User Level Machine Dependencies                 *
*************************************************************************
*									*
* This file contains the missing structure definitions required		*
* to run STREAMS at user level in a a testing environment on SCO UNIX.	*
*									*
* The file then includes port-mdep.h for the portable version of the	*
* code.									*
*									*
* Author:	David Grothe						*
*									*
* Copyright (C) 1997  David Grothe, Gcom, Inc <[e-mail]>		*
*									*
************************************************************************/
/*
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Cambridge,
 * MA 02139, USA.
 * 
 */


#ifndef	_SCO_MDEP_H
#define	_SCO_MDEP_H			1

#ident "@(#) LiS sco-mdep.h 2.1 4/4/99 11:34:30 "

#include <sys/types.h>
#include <sys/errno.h>	      /* for errno */
#include <memory.h>	      /* for memcpy */
#include <sys/signal.h>	      /* for signal numbers */

/*
 * name changes for these structures.
 */
#define	semaphore	u_semaphore
#define	semaphore_t	u_semaphore_t

/************************************************************************
*                            major/minor                                *
*************************************************************************
*									*
* Macros to extract the major and minor device numbers from a dev_t	*
* variable.								*
*									*
************************************************************************/

#if 0

#define	major(dev_t_var)	STR_MAJOR(dev_t_var)
#define	minor(dev_t_var)	STR_MINOR(dev_t_var)

#define makedevice(majornum,minornum) \
		((((dev_t) (majornum)) << 16) | ((minornum) & 0xFFFF))
#else

#define	_INKERNEL		1

#include <sys/sysmacros.h>		/* SCO include file */

#define	MAJOR		_major
#define	MINOR		_minor
#define	makedevice	_makedev
#undef	major
#undef	minor
#define	major		_major
#define	minor		_minor

#endif

typedef unsigned long	port_dev_t ;		/* device major/minor */

#undef uid 
#undef gid
typedef int     o_uid_t;
typedef int     o_gid_t;
typedef unsigned   char uchar;
typedef struct cred {
	uid_t	cr_uid;			/* effective user id */
	uid_t	cr_ruid;			/* effective user id */
	gid_t	cr_gid;			/* effective group id */
	gid_t	cr_rgid;			/* effective group id */
} cred_t;

typedef struct u_semaphore
{
    int			sem_count ;		/* semaphore counter */
    long		sem_xxx[8] ;		/* just a placeholder */

} u_semaphore_t ;


#define	kvtophys(addr)		(addr)		/* user level fakery */

/*
 * bzero and bcopy
 */
#define	bzero(addr,nbytes)	memset(addr, 0, nbytes)
#define	bcopy(src,dst,n)	memcpy(dst,src,n)



#ifndef PORTABLE
#define	PORTABLE	1
#endif

/*
 * Signal that STREAMS uses but SCO does not support.
 */
#define	SIGURG		31


/*
 * A dummy to support the select structure in stdata_t.
 */
typedef struct lis_select_struct
{
    int		dummy ;

} lis_select_t ;


/*
 * Now include the portable stuff
 */
#ifndef _USER_CMN_H
#include <sys/LiS/user-cmn.h>
#endif
#ifndef _PORT_MDEP_H
#include <sys/LiS/port-mdep.h>
#endif


#endif