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/*
* Mach Operating System
* Copyright (c) 1991 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#ifndef _I386_USER_LDT_H_
#define _I386_USER_LDT_H_
/*
* User LDT management.
*
* Each thread in a task may have its own LDT.
*/
#include <i386/seg.h>
struct user_ldt {
#ifdef MACH_PV_DESCRIPTORS
vm_offset_t alloc; /* allocation before alignment */
#endif /* MACH_PV_DESCRIPTORS */
struct real_descriptor desc; /* descriptor for self */
struct real_descriptor ldt[1]; /* descriptor table (variable) */
};
typedef struct user_ldt * user_ldt_t;
extern void
user_ldt_free(user_ldt_t user_ldt);
#endif /* _I386_USER_LDT_H_ */
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