1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 * 22 * $FreeBSD$ 23 */ 24/* 25 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29#ifndef _UMEM_H 30#define _UMEM_H 31 32 33 34#include <sys/types.h> 35#include <stdlib.h> 36 37#ifdef __cplusplus 38extern "C" { 39#endif 40 41#define UMEM_DEFAULT 0x0000 /* normal -- may fail */ 42#define UMEM_NOFAIL 0x0100 /* Never fails -- may call exit(2) */ 43 44#define UMEM_FLAGS 0xffff /* all settable umem flags */ 45 46extern void *umem_alloc(size_t, int); 47extern void *umem_alloc_align(size_t, size_t, int); 48extern void *umem_zalloc(size_t, int); 49extern void umem_free(void *, size_t); 50extern void umem_free_align(void *, size_t); 51 52/* 53 * Flags for umem_cache_create() 54 */ 55#define UMC_NOTOUCH 0x00010000 56#define UMC_NODEBUG 0x00020000 57#define UMC_NOMAGAZINE 0x00040000 58#define UMC_NOHASH 0x00080000 59 60struct umem_cache; /* cache structure is opaque to umem clients */ 61 62typedef struct umem_cache umem_cache_t; 63typedef int umem_constructor_t(void *, void *, int); 64typedef void umem_destructor_t(void *, void *); 65typedef void umem_reclaim_t(void *); 66 67typedef int umem_nofail_callback_t(void); 68#define UMEM_CALLBACK_RETRY 0 69#define UMEM_CALLBACK_EXIT(status) (0x100 | ((status) & 0xFF)) 70 71extern void umem_nofail_callback(umem_nofail_callback_t *); 72 73extern umem_cache_t *umem_cache_create(char *, size_t, 74 size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *, 75 void *, void *, int); 76extern void umem_cache_destroy(umem_cache_t *); 77 78extern void *umem_cache_alloc(umem_cache_t *, int); 79extern void umem_cache_free(umem_cache_t *, void *); 80 81extern void umem_reap(void); 82 83#ifdef __cplusplus 84} 85#endif 86 87#endif /* _UMEM_H */ 88