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/* |
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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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/* |
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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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/* #pragma ident "@(#)umem.h 1.3 05/06/08 SMI" */ |
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#include <sys/types.h> |
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#include <sys/vmem.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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/*@{*/ |
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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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/*@}*/ |
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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 *, vmem_t *, 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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