Source to bsd/sys/malloc.h
/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 1.1 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
/*
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)malloc.h 8.5 (Berkeley) 5/3/95
*/
#ifndef _SYS_MALLOC_H_
#define _SYS_MALLOC_H_
#define KMEMSTATS
/*
* flags to malloc
*/
#define M_WAITOK 0x0000
#define M_NOWAIT 0x0001
/*
* Types of memory to be allocated (not all are used by us)
*/
#define M_FREE 0 /* should be on free list */
#define M_MBUF 1 /* mbuf */
#define M_DEVBUF 2 /* device driver memory */
#define M_SOCKET 3 /* socket structure */
#define M_PCB 4 /* protocol control block */
#define M_RTABLE 5 /* routing tables */
#define M_HTABLE 6 /* IMP host tables */
#define M_FTABLE 7 /* fragment reassembly header */
#define M_ZOMBIE 8 /* zombie proc status */
#define M_IFADDR 9 /* interface address */
#define M_SOOPTS 10 /* socket options */
#define M_SONAME 11 /* socket name */
#define M_NAMEI 12 /* namei path name buffer */
#define M_GPROF 13 /* kernel profiling buffer */
#define M_IOCTLOPS 14 /* ioctl data buffer */
#define M_MAPMEM 15 /* mapped memory descriptors */
#define M_CRED 16 /* credentials */
#define M_PGRP 17 /* process group header */
#define M_SESSION 18 /* session header */
#define M_IOV 19 /* large iov's */
#define M_MOUNT 20 /* vfs mount struct */
#define M_FHANDLE 21 /* network file handle */
#define M_NFSREQ 22 /* NFS request header */
#define M_NFSMNT 23 /* NFS mount structure */
#define M_NFSNODE 24 /* NFS vnode private part */
#define M_VNODE 25 /* Dynamically allocated vnodes */
#define M_CACHE 26 /* Dynamically allocated cache entries */
#define M_DQUOT 27 /* UFS quota entries */
#define M_UFSMNT 28 /* UFS mount structure */
#define M_SHM 29 /* SVID compatible shared memory segments */
#define M_VMMAP 30 /* VM map structures */
#define M_VMMAPENT 31 /* VM map entry structures */
#define M_VMOBJ 32 /* VM object structure */
#define M_VMOBJHASH 33 /* VM object hash structure */
#define M_VMPMAP 34 /* VM pmap */
#define M_VMPVENT 35 /* VM phys-virt mapping entry */
#define M_VMPAGER 36 /* XXX: VM pager struct */
#define M_VMPGDATA 37 /* XXX: VM pager private data */
#define M_FILE 38 /* Open file structure */
#define M_FILEDESC 39 /* Open file descriptor table */
#define M_LOCKF 40 /* Byte-range locking structures */
#define M_PROC 41 /* Proc structures */
#define M_SUBPROC 42 /* Proc sub-structures */
#define M_SEGMENT 43 /* Segment for LFS */
#define M_LFSNODE 44 /* LFS vnode private part */
#define M_FFSNODE 45 /* FFS vnode private part */
#define M_MFSNODE 46 /* MFS vnode private part */
#define M_NQLEASE 47 /* Nqnfs lease */
#define M_NQMHOST 48 /* Nqnfs host address table */
#define M_NETADDR 49 /* Export host address structure */
#define M_NFSSVC 50 /* Nfs server structure */
#define M_NFSUID 51 /* Nfs uid mapping structure */
#define M_NFSD 52 /* Nfs server daemon structure */
#define M_IPMOPTS 53 /* internet multicast options */
#define M_IPMADDR 54 /* internet multicast address */
#define M_IFMADDR 55 /* link-level multicast address */
#define M_MRTABLE 56 /* multicast routing tables */
#define M_ISOFSMNT 57 /* ISOFS mount structure */
#define M_ISOFSNODE 58 /* ISOFS vnode private part */
#define M_NFSRVDESC 59 /* NFS server socket descriptor */
#define M_NFSDIROFF 60 /* NFS directory offset data */
#define M_NFSBIGFH 61 /* NFS version 3 file handle */
#define M_MSDOSFSMNT 62 /* MSDOS FS mount structure */
#define M_MSDOSFSFAT 63 /* MSDOS FS fat table */
#define M_MSDOSFSNODE 64 /* MSDOS FS vnode private part */
#define M_TTYS 65 /* allocated tty structures */
#define M_EXEC 66 /* argument lists & other mem used by exec */
#define M_MISCFSMNT 67 /* miscfs mount structures */
#define M_MISCFSNODE 68 /* miscfs vnode private part */
#define M_ADOSFSMNT 69 /* adosfs mount structures */
#define M_ADOSFSNODE 70 /* adosfs vnode private part */
#define M_ANODE 71 /* adosfs anode structures and tables. */
#define M_BUFHDR 72 /* File buffer cache headers */
#define M_OFILETABL 73 /* Open file descriptor table */
#define M_MCLUST 74 /* mbuf cluster buffers */
#define M_HFSMNT 75 /* HFS mount structure */
#define M_HFSNODE 76 /* HFS private node structre */
#define M_HFSFMETA 77 /* HFS file meta data */
#define M_VOLFSMNT 78 /* VOLFS mount structure */
#define M_VOLFSNODE 79 /* VOLFS private node part */
#define M_TEMP 80 /* misc temporary data buffers */
#define M_SECA 81 /* security associations, key management */
#define M_DEVFS 82
#define M_IPFW 83 /* IP Forwarding/NAT */
#define M_LAST 84 /* Must be last type + 1 */
/* Strings corresponding to types of memory */
/* Must be in synch with the #defines above */
#define INITKMEMNAMES { \
"free", /* 0 M_FREE */ \
"mbuf", /* 1 M_MBUF */ \
"devbuf", /* 2 M_DEVBUF */ \
"socket", /* 3 M_SOCKET */ \
"pcb", /* 4 M_PCB */ \
"routetbl", /* 5 M_RTABLE */ \
"hosttbl", /* 6 M_HTABLE */ \
"fragtbl", /* 7 M_FTABLE */ \
"zombie", /* 8 M_ZOMBIE */ \
"ifaddr", /* 9 M_IFADDR */ \
"soopts", /* 10 M_SOOPTS */ \
"soname", /* 11 M_SONAME */ \
"namei", /* 12 M_NAMEI */ \
"gprof", /* 13 M_GPROF */ \
"ioctlops", /* 14 M_IOCTLOPS */ \
"mapmem", /* 15 M_MAPMEM */ \
"cred", /* 16 M_CRED */ \
"pgrp", /* 17 M_PGRP */ \
"session", /* 18 M_SESSION */ \
"iov", /* 19 M_IOV */ \
"mount", /* 20 M_MOUNT */ \
"fhandle", /* 21 M_FHANDLE */ \
"NFS req", /* 22 M_NFSREQ */ \
"NFS mount", /* 23 M_NFSMNT */ \
"NFS node", /* 24 M_NFSNODE */ \
"vnodes", /* 25 M_VNODE */ \
"namecache", /* 26 M_CACHE */ \
"UFS quota", /* 27 M_DQUOT */ \
"UFS mount", /* 28 M_UFSMNT */ \
"shm", /* 29 M_SHM */ \
"VM map", /* 30 M_VMMAP */ \
"VM mapent", /* 31 M_VMMAPENT */ \
"VM object", /* 32 M_VMOBJ */ \
"VM objhash", /* 33 M_VMOBJHASH */ \
"VM pmap", /* 34 M_VMPMAP */ \
"VM pvmap", /* 35 M_VMPVENT */ \
"VM pager", /* 36 M_VMPAGER */ \
"VM pgdata", /* 37 M_VMPGDATA */ \
"file", /* 38 M_FILE */ \
"file desc", /* 39 M_FILEDESC */ \
"lockf", /* 40 M_LOCKF */ \
"proc", /* 41 M_PROC */ \
"subproc", /* 42 M_SUBPROC */ \
"LFS segment", /* 43 M_SEGMENT */ \
"LFS node", /* 44 M_LFSNODE */ \
"FFS node", /* 45 M_FFSNODE */ \
"MFS node", /* 46 M_MFSNODE */ \
"NQNFS Lease", /* 47 M_NQLEASE */ \
"NQNFS Host", /* 48 M_NQMHOST */ \
"Export Host", /* 49 M_NETADDR */ \
"NFS srvsock", /* 50 M_NFSSVC */ \
"NFS uid", /* 51 M_NFSUID */ \
"NFS daemon", /* 52 M_NFSD */ \
"ip_moptions", /* 53 M_IPMOPTS */ \
"in_multi", /* 54 M_IPMADDR */ \
"ether_multi", /* 55 M_IFMADDR */ \
"mrt", /* 56 M_MRTABLE */ \
"ISOFS mount", /* 57 M_ISOFSMNT */ \
"ISOFS node", /* 58 M_ISOFSNODE */ \
"NFSV3 srvdesc",/* 59 M_NFSRVDESC */ \
"NFSV3 diroff", /* 60 M_NFSDIROFF */ \
"NFSV3 bigfh", /* 61 M_NFSBIGFH */ \
"MSDOSFS mount",/* 62 M_MSDOSFSMNT */ \
"MSDOSFS fat", /* 63 M_MSDOSFSFAT */ \
"MSDOSFS node", /* 64 M_MSDOSFSNODE */ \
"ttys", /* 65 M_TTYS */ \
"exec", /* 66 M_EXEC */ \
"miscfs mount", /* 67 M_MISCFSMNT */ \
"miscfs node", /* 68 M_MISCFSNODE */ \
"adosfs mount", /* 69 M_ADOSFSMNT */ \
"adosfs node", /* 70 M_ADOSFSNODE */ \
"adosfs anode", /* 71 M_ANODE */ \
"buf hdrs", /* 72 M_BUFHDR */ \
"ofile tabl", /* 73 M_OFILETABL */ \
"mbuf clust", /* 74 M_MCLUST */ \
"HFS mount", /* 75 M_HFSMNT */ \
"HFS node", /* 76 M_HFSNODE */ \
"HFS fmeta", /* 77 M_HFSFMETA */ \
"VOLFS mount", /* 78 M_VOLFSMNT */ \
"VOLFS node", /* 79 M_VOLFSNODE */ \
"temp", /* 80 M_TEMP */ \
"key mgmt", /* 81 M_SECA */ \
"DEVFS", /* 82 M_DEVFS */ \
"IpFw/IpAcct" /* 83 M_IPFW */ \
}
struct kmemstats {
long ks_inuse; /* # of packets of this type currently
* in use */
long ks_calls; /* total packets of this type ever allocated */
long ks_memuse; /* total memory held in bytes */
u_short ks_limblocks; /* number of times blocked for hitting limit */
u_short ks_mapblocks; /* number of times blocked for kernel map */
long ks_maxused; /* maximum number ever used */
long ks_limit; /* most that are allowed to exist */
long ks_size; /* sizes of this thing that are allocated */
long ks_spare;
};
#ifdef KERNEL
extern struct kmemstats kmemstats[];
/*
* The malloc/free primatives used
* by the BSD kernel code.
*/
#define MALLOC(space, cast, size, type, flags) \
(space) = (cast)_MALLOC(size, type, flags)
#define FREE(addr, type) \
_FREE((void *)addr, type)
#define MALLOC_ZONE(space, cast, size, type, flags) \
(space) = (cast)_MALLOC_ZONE(size, type, flags)
#define FREE_ZONE(addr, size, type) \
_FREE_ZONE((void *)addr, size, type)
extern void *_MALLOC __P((
size_t size,
int type,
int flags));
extern void _FREE __P((
void *addr,
int type));
extern void *_MALLOC_ZONE __P((
size_t size,
int type,
int flags));
extern void _FREE_ZONE __P((
void *elem,
size_t size,
int type));
#endif /* KERNEL */
#endif /* _SYS_MALLOC_H_ */