proc.h revision 105955 
1/*
2 * Copyright (c) 1991 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	from: @(#)proc.h	7.1 (Berkeley) 5/15/91
34 * $FreeBSD: head/sys/amd64/include/proc.h 105955 2002-10-25 20:06:16Z jhb $
35 */
36
37#ifndef _MACHINE_PROC_H_
38#define	_MACHINE_PROC_H_
39
40#include <machine/segments.h>
41
42struct proc_ldt {
43        caddr_t ldt_base;
44        int     ldt_len;
45        int     ldt_refcnt;
46        u_long  ldt_active;
47        struct  segment_descriptor ldt_sd;
48};
49
50/*
51 * Machine-dependent part of the proc structure for i386.
52 */
53struct mdthread {
54#ifdef lint
55	int	dummy;
56#endif
57};
58
59struct mdproc {
60	struct proc_ldt *md_ldt;	/* (j) per-process ldt */
61};
62
63#ifdef	_KERNEL
64
65void 	set_user_ldt(struct mdproc *);
66struct 	proc_ldt *user_ldt_alloc(struct mdproc *, int);
67void 	user_ldt_free(struct thread *);
68
69#endif	/* _KERNEL */
70
71#endif /* !_MACHINE_PROC_H_ */
72