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88 lines
2.4 KiB
C
88 lines
2.4 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, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* 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 http://www.opensolaris.org/os/licensing.
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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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* $FreeBSD$
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*/
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/*
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* Copyright 2004 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 _UMEM_H
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#define _UMEM_H
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#include <sys/types.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define UMEM_DEFAULT 0x0000 /* normal -- may fail */
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#define UMEM_NOFAIL 0x0100 /* Never fails -- may call exit(2) */
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#define UMEM_FLAGS 0xffff /* all settable umem flags */
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extern void *umem_alloc(size_t, int);
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extern void *umem_alloc_align(size_t, size_t, int);
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extern void *umem_zalloc(size_t, int);
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extern void umem_free(void *, size_t);
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extern void umem_free_align(void *, size_t);
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/*
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* Flags for umem_cache_create()
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*/
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#define UMC_NOTOUCH 0x00010000
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#define UMC_NODEBUG 0x00020000
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#define UMC_NOMAGAZINE 0x00040000
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#define UMC_NOHASH 0x00080000
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struct umem_cache; /* cache structure is opaque to umem clients */
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typedef struct umem_cache umem_cache_t;
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typedef int umem_constructor_t(void *, void *, int);
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typedef void umem_destructor_t(void *, void *);
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typedef void umem_reclaim_t(void *);
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typedef int umem_nofail_callback_t(void);
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#define UMEM_CALLBACK_RETRY 0
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#define UMEM_CALLBACK_EXIT(status) (0x100 | ((status) & 0xFF))
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extern void umem_nofail_callback(umem_nofail_callback_t *);
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extern umem_cache_t *umem_cache_create(char *, size_t,
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size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *,
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void *, void *, int);
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extern void umem_cache_destroy(umem_cache_t *);
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extern void *umem_cache_alloc(umem_cache_t *, int);
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extern void umem_cache_free(umem_cache_t *, void *);
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extern void umem_reap(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UMEM_H */
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