17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _MDB_UMEM_H 287c478bd9Sstevel@tonic-gate #define _MDB_UMEM_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 31*258e8624SRobert Mustacchi #include <limits.h> 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #ifdef __cplusplus 347c478bd9Sstevel@tonic-gate extern "C" { 357c478bd9Sstevel@tonic-gate #endif 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #ifdef _MDB 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #define UMEM_FREE_PATTERN 0xdefacedd 407c478bd9Sstevel@tonic-gate #define UMEM_UNINITIALIZED_PATTERN 0xbeefbabe 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate typedef struct mdb_mblk mdb_mblk_t; 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /* Aligned allocation/frees are not available through the module API */ 457c478bd9Sstevel@tonic-gate extern void *mdb_alloc_align(size_t, size_t, uint_t); 467c478bd9Sstevel@tonic-gate extern void mdb_free_align(void *, size_t); 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate extern void mdb_recycle(mdb_mblk_t **); 497c478bd9Sstevel@tonic-gate 50*258e8624SRobert Mustacchi /* 51*258e8624SRobert Mustacchi * These values represent an attempt to help constrain dmods that have bugs and 52*258e8624SRobert Mustacchi * have accidentally underflowed their size arguments. They represent 53*258e8624SRobert Mustacchi * allocations that are impossible. 54*258e8624SRobert Mustacchi */ 55*258e8624SRobert Mustacchi #if defined(_ILP32) 56*258e8624SRobert Mustacchi #define MDB_ALLOC_MAX INT32_MAX 57*258e8624SRobert Mustacchi #elif defined(_LP64) 58*258e8624SRobert Mustacchi #define MDB_ALLOC_MAX INT64_MAX 59*258e8624SRobert Mustacchi #else 60*258e8624SRobert Mustacchi #error "Unknown data model" 61*258e8624SRobert Mustacchi #endif 62*258e8624SRobert Mustacchi 63*258e8624SRobert Mustacchi 647c478bd9Sstevel@tonic-gate #endif /* _MDB */ 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #ifdef __cplusplus 677c478bd9Sstevel@tonic-gate } 687c478bd9Sstevel@tonic-gate #endif 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #endif /* _MDB_UMEM_H */ 71