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1d3ba0bf01
The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13619
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_UNIQUE_H
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#define _SYS_UNIQUE_H
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#include <sys/zfs_context.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* The number of significant bits in each unique value. */
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#define UNIQUE_BITS 56
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void unique_init(void);
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void unique_fini(void);
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/*
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* Return a new unique value (which will not be uniquified against until
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* it is unique_insert()-ed).
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*/
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uint64_t unique_create(void);
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/* Return a unique value, which equals the one passed in if possible. */
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uint64_t unique_insert(uint64_t value);
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/* Indicate that this value no longer needs to be uniquified against. */
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void unique_remove(uint64_t value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_UNIQUE_H */
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