freebsd-dev/sys/amd64/include/proc.h

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/*
* 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
1999-08-28 01:08:13 +00:00
* $FreeBSD$
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*/
#ifndef _MACHINE_PROC_H_
#define _MACHINE_PROC_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;
};
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/*
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* Machine-dependent part of the proc structure for i386.
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*/
struct mdthread {
#ifdef lint
int dummy;
#endif
};
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struct mdproc {
struct proc_ldt *md_ldt; /* (j) per-process ldt */
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};
#ifdef _KERNEL
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void set_user_ldt(struct mdproc *);
struct proc_ldt *user_ldt_alloc(struct mdproc *, int);
void user_ldt_free(struct thread *);
#endif /* _KERNEL */
#endif /* !_MACHINE_PROC_H_ */