freebsd-nq/sys/i386/include/proc.h
John Baldwin 24db04598b Split the per-process Local Descriptor Table out of the PCB and into
struct mdproc.

Submitted by:	Andrew R. Reiter <arr@watson.org>
Silence on:	-current
2001-10-25 00:53:43 +00:00

70 lines
2.5 KiB
C

/*
* Copyright (c) 1991 Regents of the University of California.
* All rights reserved.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* from: @(#)proc.h 7.1 (Berkeley) 5/15/91
* $FreeBSD$
*/
#ifndef _MACHINE_PROC_H_
#define _MACHINE_PROC_H_
#include <machine/globals.h>
#include <machine/segments.h>
struct proc_ldt {
caddr_t ldt_base;
int ldt_len;
int ldt_refcnt;
u_long ldt_active;
struct segment_descriptor ldt_sd;
};
/*
* Machine-dependent part of the proc structure for i386.
*/
struct mdthread {
};
struct mdproc {
struct proc_ldt *md_ldt; /* per-process ldt */
};
#ifdef _KERNEL
void set_user_ldt __P((struct mdproc *));
struct proc_ldt *user_ldt_alloc __P((struct mdproc *, int));
void user_ldt_free __P((struct thread *));
#endif /* _KERNEL */
#endif /* !_MACHINE_PROC_H_ */