| /* |
| * 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 _MDB_UMEM_H |
| #define _MDB_UMEM_H |
| |
| #include <sys/types.h> |
| #include <limits.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifdef _MDB |
| |
| #define UMEM_FREE_PATTERN 0xdefacedd |
| #define UMEM_UNINITIALIZED_PATTERN 0xbeefbabe |
| |
| typedef struct mdb_mblk mdb_mblk_t; |
| |
| /* Aligned allocation/frees are not available through the module API */ |
| extern void *mdb_alloc_align(size_t, size_t, uint_t); |
| extern void mdb_free_align(void *, size_t); |
| |
| extern void mdb_recycle(mdb_mblk_t **); |
| |
| /* |
| * These values represent an attempt to help constrain dmods that have bugs and |
| * have accidentally underflowed their size arguments. They represent |
| * allocations that are impossible. |
| */ |
| #if defined(_ILP32) |
| #define MDB_ALLOC_MAX INT32_MAX |
| #elif defined(_LP64) |
| #define MDB_ALLOC_MAX INT64_MAX |
| #else |
| #error "Unknown data model" |
| #endif |
| |
| |
| #endif /* _MDB */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _MDB_UMEM_H */ |