/* $NetBSD: umem.h,v 1.1 2009/08/07 20:57:55 haad Exp $ */
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _UMEM_H
#define _UMEM_H
#include <sys/types.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
#define UMEM_DEFAULT 0x0000 /* normal -- may fail */
#define UMEM_NOFAIL 0x0100 /* Never fails -- may call exit(2) */
#define UMEM_FLAGS 0xffff /* all settable umem flags */
extern void *umem_alloc(size_t, int);
extern void *umem_alloc_align(size_t, size_t, int);
extern void *umem_zalloc(size_t, int);
extern void umem_free(void *, size_t);
extern void umem_free_align(void *, size_t);
/*
* Flags for umem_cache_create()
*/
#define UMC_NOTOUCH 0x00010000
#define UMC_NODEBUG 0x00020000
#define UMC_NOMAGAZINE 0x00040000
#define UMC_NOHASH 0x00080000
struct umem_cache; /* cache structure is opaque to umem clients */
typedef struct umem_cache umem_cache_t;
typedef int umem_constructor_t(void *, void *, int);
typedef void umem_destructor_t(void *, void *);
typedef void umem_reclaim_t(void *);
typedef int umem_nofail_callback_t(void);
#define UMEM_CALLBACK_RETRY 0
#define UMEM_CALLBACK_EXIT(status) (0x100 | ((status) & 0xFF))
extern void umem_nofail_callback(umem_nofail_callback_t *);
extern umem_cache_t *umem_cache_create(char *, size_t,
size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *,
void *, void *, int);
extern void umem_cache_destroy(umem_cache_t *);
extern void *umem_cache_alloc(umem_cache_t *, int);
extern void umem_cache_free(umem_cache_t *, void *);
extern void umem_reap(void);
#ifdef __cplusplus
}
#endif
#endif /* _UMEM_H */
