FreeBSD/Linux Kernel Cross Reference
sys/bsd/sys/malloc.h

     /*
      * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The 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, QUIET ENJOYMENT 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_
    
    #include <sys/appleapiopts.h>
    
    #define KMEMSTATS
    
    /*
     * flags to malloc
     */
    #define M_WAITOK        0x0000
    #define M_NOWAIT        0x0001
    #define M_ZERO          0x0004          /* bzero the allocation */
    
    /*
     * 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 catalog node */
   #define M_HFSFORK       77      /* HFS file fork */
   #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_KTRACE        M_TEMP  /* ktrace buffers */
   #define M_SECA          81      /* security associations, key management */
   #define M_DEVFS         82
   #define M_IPFW          83      /* IP Forwarding/NAT */
   #define M_UDFNODE       84      /* UDF inodes */
   #define M_UDFMNT        85      /* UDF mount structures */
   #define M_IP6NDP        86      /* IPv6 Neighbour Discovery*/
   #define M_IP6OPT        87      /* IPv6 options management */
   #define M_IP6MISC       88      /* IPv6 misc. memory */
   #define M_TSEGQ         89      /* TCP segment queue entry */
   #define M_IGMP          90
   #define M_JNL_JNL   91  /* Journaling: "struct journal" */
   #define M_JNL_TR    92  /* Journaling: "struct transaction" */ 
   #define M_SPECINFO      93      /* special file node */
   #define M_KQUEUE        94      /* kqueue */
   
   #define M_LAST          95      /* 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 fork",     /* 77 M_HFSFORK */ \
           "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 */ \
           "UDF node",     /* 84 M_UDFNODE */ \
           "UDF mount",    /* 85 M_UDFMNT */ \
           "IPv6 NDP",     /* 86 M_IP6NDP */ \
           "IPv6 options", /* 87 M_IP6OPT */ \
           "IPv6 Misc",    /* 88 M_IP6MISC */\
           "TCP Segment Q",/* 89 M_TSEGQ */\
           "IGMP state",   /* 90 M_IGMP */\
           "Journal",    /* 91 M_JNL_JNL */\
           "Transaction",    /* 92 M_JNL_TR */\
           "specinfo",             /* 93 M_SPECINFO */\
           "kqueue"                /* 94 M_KQUEUE */\
   }
   
   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
   #ifdef __APPLE_API_PRIVATE
   extern struct kmemstats kmemstats[];
   #endif /* __APPLE_API_PRIVATE */
   
   /*
    * 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_ */

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