1/* 2 * Copyright (c) 2000-2011 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */ 29/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ 30/* 31 * Copyright (c) 1987, 1993 32 * The Regents of the University of California. All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the University of 45 * California, Berkeley and its contributors. 46 * 4. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)malloc.h 8.5 (Berkeley) 5/3/95 63 */ 64/* 65 * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce 66 * support for mandatory and extensible security protections. This notice 67 * is included in support of clause 2.2 (b) of the Apple Public License, 68 * Version 2.0. 69 */ 70 71#ifndef _SYS_MALLOC_H_ 72#define _SYS_MALLOC_H_ 73 74#include <sys/appleapiopts.h> 75 76 77#ifdef KERNEL 78/* 79 * flags to malloc 80 */ 81#define M_WAITOK 0x0000 82#define M_NOWAIT 0x0001 83#define M_ZERO 0x0004 /* bzero the allocation */ 84 85 86#ifdef BSD_KERNEL_PRIVATE 87 88#define KMEMSTATS 0 89 90/* 91 * Types of memory to be allocated (not all are used by us) 92 */ 93#define M_FREE 0 /* should be on free list */ 94#define M_MBUF 1 /* mbuf */ 95#define M_DEVBUF 2 /* device driver memory */ 96#define M_SOCKET 3 /* socket structure */ 97#define M_PCB 4 /* protocol control block */ 98#define M_RTABLE 5 /* routing tables */ 99#define M_HTABLE 6 /* IMP host tables */ 100#define M_FTABLE 7 /* fragment reassembly header */ 101#define M_ZOMBIE 8 /* zombie proc status */ 102#define M_IFADDR 9 /* interface address */ 103#define M_SOOPTS 10 /* socket options */ 104#define M_SONAME 11 /* socket name */ 105#define M_NAMEI 12 /* namei path name buffer */ 106#define M_GPROF 13 /* kernel profiling buffer */ 107#define M_IOCTLOPS 14 /* ioctl data buffer */ 108#define M_MAPMEM 15 /* mapped memory descriptors */ 109#define M_CRED 16 /* credentials */ 110#define M_PGRP 17 /* process group header */ 111#define M_SESSION 18 /* session header */ 112#define M_IOV32 19 /* large iov's for 32 bit process */ 113#define M_MOUNT 20 /* vfs mount struct */ 114#define M_FHANDLE 21 /* network file handle */ 115#define M_NFSREQ 22 /* NFS request header */ 116#define M_NFSMNT 23 /* NFS mount structure */ 117#define M_NFSNODE 24 /* NFS vnode private part */ 118#define M_VNODE 25 /* Dynamically allocated vnodes */ 119#define M_CACHE 26 /* Dynamically allocated cache entries */ 120#define M_DQUOT 27 /* UFS quota entries */ 121#define M_UFSMNT 28 /* UFS mount structure */ 122#define M_SHM 29 /* SVID compatible shared memory segments */ 123#define M_PLIMIT 30 /* plimit structures */ 124#define M_SIGACTS 31 /* sigacts structures */ 125#define M_VMOBJ 32 /* VM object structure */ 126#define M_VMOBJHASH 33 /* VM object hash structure */ 127#define M_VMPMAP 34 /* VM pmap */ 128#define M_VMPVENT 35 /* VM phys-virt mapping entry */ 129#define M_VMPAGER 36 /* XXX: VM pager struct */ 130#define M_VMPGDATA 37 /* XXX: VM pager private data */ 131#define M_FILEPROC 38 /* Open file structure */ 132#define M_FILEDESC 39 /* Open file descriptor table */ 133#define M_LOCKF 40 /* Byte-range locking structures */ 134#define M_PROC 41 /* Proc structures */ 135#define M_PSTATS 42 /* pstats proc sub-structures */ 136#define M_SEGMENT 43 /* Segment for LFS */ 137#define M_LFSNODE 44 /* LFS vnode private part */ 138#define M_FFSNODE 45 /* FFS vnode private part */ 139#define M_MFSNODE 46 /* MFS vnode private part */ 140#define M_NQLEASE 47 /* XXX: Nqnfs lease */ 141#define M_NQMHOST 48 /* XXX: Nqnfs host address table */ 142#define M_NETADDR 49 /* Export host address structure */ 143#define M_NFSSVC 50 /* NFS server structure */ 144#define M_NFSUID 51 /* XXX: NFS uid mapping structure */ 145#define M_NFSD 52 /* NFS server daemon structure */ 146#define M_IPMOPTS 53 /* internet multicast options */ 147#define M_IPMADDR 54 /* internet multicast address */ 148#define M_IFMADDR 55 /* link-level multicast address */ 149#define M_MRTABLE 56 /* multicast routing tables */ 150#define M_ISOFSMNT 57 /* ISOFS mount structure */ 151#define M_ISOFSNODE 58 /* ISOFS vnode private part */ 152#define M_NFSRVDESC 59 /* NFS server socket descriptor */ 153#define M_NFSDIROFF 60 /* NFS directory offset data */ 154#define M_NFSBIGFH 61 /* NFS version 3 file handle */ 155#define M_MSDOSFSMNT 62 /* MSDOS FS mount structure */ 156#define M_MSDOSFSFAT 63 /* MSDOS FS fat table */ 157#define M_MSDOSFSNODE 64 /* MSDOS FS vnode private part */ 158#define M_TTYS 65 /* allocated tty structures */ 159#define M_EXEC 66 /* argument lists & other mem used by exec */ 160#define M_MISCFSMNT 67 /* miscfs mount structures */ 161#define M_MISCFSNODE 68 /* miscfs vnode private part */ 162#define M_ADOSFSMNT 69 /* adosfs mount structures */ 163#define M_ADOSFSNODE 70 /* adosfs vnode private part */ 164#define M_ANODE 71 /* adosfs anode structures and tables. */ 165#define M_BUFHDR 72 /* File buffer cache headers */ 166#define M_OFILETABL 73 /* Open file descriptor table */ 167#define M_MCLUST 74 /* mbuf cluster buffers */ 168#define M_HFSMNT 75 /* HFS mount structure */ 169#define M_HFSNODE 76 /* HFS catalog node */ 170#define M_HFSFORK 77 /* HFS file fork */ 171#define M_ZFSMNT 78 /* ZFS mount data */ 172#define M_ZFSNODE 79 /* ZFS inode */ 173#define M_TEMP 80 /* misc temporary data buffers */ 174#define M_SECA 81 /* security associations, key management */ 175#define M_DEVFS 82 176#define M_IPFW 83 /* IP Forwarding/NAT */ 177#define M_UDFNODE 84 /* UDF inodes */ 178#define M_UDFMNT 85 /* UDF mount structures */ 179#define M_IP6NDP 86 /* IPv6 Neighbour Discovery*/ 180#define M_IP6OPT 87 /* IPv6 options management */ 181#define M_IP6MISC 88 /* IPv6 misc. memory */ 182#define M_TSEGQ 89 /* TCP segment queue entry, unused */ 183#define M_IGMP 90 184#define M_JNL_JNL 91 /* Journaling: "struct journal" */ 185#define M_JNL_TR 92 /* Journaling: "struct transaction" */ 186#define M_SPECINFO 93 /* special file node */ 187#define M_KQUEUE 94 /* kqueue */ 188#define M_HFSDIRHINT 95 /* HFS directory hint */ 189#define M_CLRDAHEAD 96 /* storage for cluster read-ahead state */ 190#define M_CLWRBEHIND 97 /* storage for cluster write-behind state */ 191#define M_IOV64 98 /* large iov's for 64 bit process */ 192#define M_FILEGLOB 99 /* fileglobal */ 193#define M_KAUTH 100 /* kauth subsystem */ 194#define M_DUMMYNET 101 /* dummynet */ 195#if CONFIG_VFS_FUNNEL 196#define M_UNSAFEFS 102 /* storage for vnode lock state for unsafe FS */ 197#endif /* CONFIG_VFS_FUNNEL */ 198#define M_MACPIPELABEL 103 /* MAC pipe labels */ 199#define M_MACTEMP 104 /* MAC framework */ 200#define M_SBUF 105 /* string buffers */ 201#define M_EXTATTR 106 /* extended attribute */ 202#define M_LCTX 107 /* process login context */ 203/* M_TRAFFIC_MGT 108 */ 204#if HFS_COMPRESSION 205#define M_DECMPFS_CNODE 109 /* decmpfs cnode structures */ 206#endif /* HFS_COMPRESSION */ 207#define M_INMFILTER 110 /* IPv4 multicast PCB-layer source filter */ 208#define M_IPMSOURCE 111 /* IPv4 multicast IGMP-layer source filter */ 209#define M_IN6MFILTER 112 /* IPv6 multicast PCB-layer source filter */ 210#define M_IP6MOPTS 113 /* IPv6 multicast options */ 211#define M_IP6MSOURCE 114 /* IPv6 multicast MLD-layer source filter */ 212 213#define M_LAST 115 /* Must be last type + 1 */ 214 215#else /* BSD_KERNEL_PRIVATE */ 216 217#define M_RTABLE 5 /* routing tables */ 218#define M_IFADDR 9 /* interface address (IOFireWireIP)*/ 219#define M_LOCKF 40 /* Byte-range locking structures (msdos) */ 220#define M_TEMP 80 /* misc temporary data buffers */ 221#define M_HFSMNT 75 /* HFS mount structure (afpfs) */ 222#define M_KAUTH 100 /* kauth subsystem (smb) */ 223#define M_SONAME 11 /* socket name (smb) */ 224#define M_PCB 4 /* protocol control block (smb) */ 225#define M_UDFNODE 84 /* UDF inodes (udf)*/ 226#define M_UDFMNT 85 /* UDF mount structures (udf)*/ 227 228#endif /* BSD_KERNEL_PRIVATE */ 229 230#ifdef BSD_KERNEL_PRIVATE 231 232#if KMEMSTATS 233struct kmemstats { 234 long ks_inuse; /* # of packets of this type currently 235 * in use */ 236 long ks_calls; /* total packets of this type ever allocated */ 237 long ks_memuse; /* total memory held in bytes */ 238 u_short ks_limblocks; /* number of times blocked for hitting limit */ 239 u_short ks_mapblocks; /* number of times blocked for kernel map */ 240 long ks_maxused; /* maximum number ever used */ 241 long ks_limit; /* most that are allowed to exist */ 242 long ks_size; /* sizes of this thing that are allocated */ 243 long ks_spare; 244}; 245 246extern struct kmemstats kmemstats[]; 247#endif /* KMEMSTATS */ 248 249#endif /* BSD_KERNEL_PRIVATE */ 250 251/* 252 * The malloc/free primatives used 253 * by the BSD kernel code. 254 */ 255#define MALLOC(space, cast, size, type, flags) \ 256 (space) = (cast)_MALLOC(size, type, flags) 257 258#define FREE(addr, type) \ 259 _FREE((void *)addr, type) 260 261#define REALLOC(space, cast, addr, size, type, flags) \ 262 (space) = (cast)_REALLOC(addr, size, type, flags) 263 264#define MALLOC_ZONE(space, cast, size, type, flags) \ 265 (space) = (cast)_MALLOC_ZONE(size, type, flags) 266 267#define FREE_ZONE(addr, size, type) \ 268 _FREE_ZONE((void *)addr, size, type) 269 270extern void *_MALLOC( 271 size_t size, 272 int type, 273 int flags); 274 275extern void _FREE( 276 void *addr, 277 int type); 278 279extern void *_REALLOC( 280 void *addr, 281 size_t size, 282 int type, 283 int flags); 284 285extern void *_MALLOC_ZONE( 286 size_t size, 287 int type, 288 int flags); 289 290extern void _FREE_ZONE( 291 void *elem, 292 size_t size, 293 int type); 294 295#endif /* KERNEL */ 296 297#endif /* _SYS_MALLOC_H_ */ 298