uuid_misc.h revision cc1a9a89a73172cc2db053635fab3b1b91691657
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _UUID_MISC_H
#define _UUID_MISC_H
/*
* The copyright in this file is taken from the original Leach
* & Salz UUID specification, from which this implementation
* is derived.
*/
/*
* Copyright (c) 1990- 1993, 1996 Open Software Foundation, Inc.
* Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, Ca. &
* Digital Equipment Corporation, Maynard, Mass. Copyright (c) 1998
* Microsoft. To anyone who acknowledges that this file is provided
* "AS IS" without any express or implied warranty: permission to use,
* copy, modify, and distribute this file for any purpose is hereby
* granted without fee, provided that the above copyright notices and
* this notice appears in all source code copies, and that none of the
* names of Open Software Foundation, Inc., Hewlett-Packard Company,
* or Digital Equipment Corporation be used in advertising or
* publicity pertaining to distribution of the software without
* specific, written prior permission. Neither Open Software
* Foundation, Inc., Hewlett-Packard Company, Microsoft, nor Digital
* Equipment Corporation makes any representations about the
* suitability of this software for any purpose.
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <uuid/uuid.h>
#include <sys/types.h>
#include <thread.h>
typedef uint64_t uuid_time_t;
/*
* data type for UUID generator persistent state
*/
typedef struct {
uuid_time_t ts; /* saved timestamp */
uuid_node_t node; /* saved node ID */
uint16_t clock; /* saved clock sequence */
} uuid_state_t;
typedef struct {
mutex_t lock;
uuid_state_t state;
} shared_buffer_t;
#define STATE_LOCATION "/var/sadm/system/uuid_state"
#define URANDOM_PATH "/dev/urandom"
#define MAX_RETRY 8
#define VER1_MASK 0xefff
#define STATE_FILE 1
#define TEMP_FILE 2
#ifdef __cplusplus
}
#endif
#endif /* _UUID_MISC_H */