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 * $FreeBSD$ 35 */ 36 37 #ifndef _MACHINE_PROC_H_ 38 #define _MACHINE_PROC_H_ 39 40 #include <machine/segments.h> 41 42 struct 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 */ 53 struct mdthread { 54 }; 55 56 struct mdproc { 57 struct proc_ldt *md_ldt; /* per-process ldt */ 58 }; 59 60 #ifdef _KERNEL 61 62 void set_user_ldt(struct mdproc *); 63 struct proc_ldt *user_ldt_alloc(struct mdproc *, int); 64 void user_ldt_free(struct thread *); 65 66 #endif /* _KERNEL */ 67 68 #endif /* !_MACHINE_PROC_H_ */ 69