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Annotation of XNU/bsd/sys/malloc.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
        !            23: /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
        !            24: /*
        !            25:  * Copyright (c) 1987, 1993
        !            26:  *     The Regents of the University of California.  All rights reserved.
        !            27:  *
        !            28:  * Redistribution and use in source and binary forms, with or without
        !            29:  * modification, are permitted provided that the following conditions
        !            30:  * are met:
        !            31:  * 1. Redistributions of source code must retain the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer.
        !            33:  * 2. Redistributions in binary form must reproduce the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer in the
        !            35:  *    documentation and/or other materials provided with the distribution.
        !            36:  * 3. All advertising materials mentioning features or use of this software
        !            37:  *    must display the following acknowledgement:
        !            38:  *     This product includes software developed by the University of
        !            39:  *     California, Berkeley and its contributors.
        !            40:  * 4. Neither the name of the University nor the names of its contributors
        !            41:  *    may be used to endorse or promote products derived from this software
        !            42:  *    without specific prior written permission.
        !            43:  *
        !            44:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            45:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            46:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            47:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            48:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            49:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            50:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            51:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            52:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            53:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            54:  * SUCH DAMAGE.
        !            55:  *
        !            56:  *     @(#)malloc.h    8.5 (Berkeley) 5/3/95
        !            57:  */
        !            58: 
        !            59: #ifndef _SYS_MALLOC_H_
        !            60: #define        _SYS_MALLOC_H_
        !            61: 
        !            62: #define KMEMSTATS
        !            63: 
        !            64: /*
        !            65:  * flags to malloc
        !            66:  */
        !            67: #define        M_WAITOK        0x0000
        !            68: #define        M_NOWAIT        0x0001
        !            69: 
        !            70: /*
        !            71:  * Types of memory to be allocated (not all are used by us)
        !            72:  */
        !            73: #define        M_FREE          0       /* should be on free list */
        !            74: #define        M_MBUF          1       /* mbuf */
        !            75: #define        M_DEVBUF        2       /* device driver memory */
        !            76: #define        M_SOCKET        3       /* socket structure */
        !            77: #define        M_PCB           4       /* protocol control block */
        !            78: #define        M_RTABLE        5       /* routing tables */
        !            79: #define        M_HTABLE        6       /* IMP host tables */
        !            80: #define        M_FTABLE        7       /* fragment reassembly header */
        !            81: #define        M_ZOMBIE        8       /* zombie proc status */
        !            82: #define        M_IFADDR        9       /* interface address */
        !            83: #define        M_SOOPTS        10      /* socket options */
        !            84: #define        M_SONAME        11      /* socket name */
        !            85: #define        M_NAMEI         12      /* namei path name buffer */
        !            86: #define        M_GPROF         13      /* kernel profiling buffer */
        !            87: #define        M_IOCTLOPS      14      /* ioctl data buffer */
        !            88: #define        M_MAPMEM        15      /* mapped memory descriptors */
        !            89: #define        M_CRED          16      /* credentials */
        !            90: #define        M_PGRP          17      /* process group header */
        !            91: #define        M_SESSION       18      /* session header */
        !            92: #define        M_IOV           19      /* large iov's */
        !            93: #define        M_MOUNT         20      /* vfs mount struct */
        !            94: #define        M_FHANDLE       21      /* network file handle */
        !            95: #define        M_NFSREQ        22      /* NFS request header */
        !            96: #define        M_NFSMNT        23      /* NFS mount structure */
        !            97: #define        M_NFSNODE       24      /* NFS vnode private part */
        !            98: #define        M_VNODE         25      /* Dynamically allocated vnodes */
        !            99: #define        M_CACHE         26      /* Dynamically allocated cache entries */
        !           100: #define        M_DQUOT         27      /* UFS quota entries */
        !           101: #define        M_UFSMNT        28      /* UFS mount structure */
        !           102: #define        M_SHM           29      /* SVID compatible shared memory segments */
        !           103: #define        M_VMMAP         30      /* VM map structures */
        !           104: #define        M_VMMAPENT      31      /* VM map entry structures */
        !           105: #define        M_VMOBJ         32      /* VM object structure */
        !           106: #define        M_VMOBJHASH     33      /* VM object hash structure */
        !           107: #define        M_VMPMAP        34      /* VM pmap */
        !           108: #define        M_VMPVENT       35      /* VM phys-virt mapping entry */
        !           109: #define        M_VMPAGER       36      /* XXX: VM pager struct */
        !           110: #define        M_VMPGDATA      37      /* XXX: VM pager private data */
        !           111: #define        M_FILE          38      /* Open file structure */
        !           112: #define        M_FILEDESC      39      /* Open file descriptor table */
        !           113: #define        M_LOCKF         40      /* Byte-range locking structures */
        !           114: #define        M_PROC          41      /* Proc structures */
        !           115: #define        M_SUBPROC       42      /* Proc sub-structures */
        !           116: #define        M_SEGMENT       43      /* Segment for LFS */
        !           117: #define        M_LFSNODE       44      /* LFS vnode private part */
        !           118: #define        M_FFSNODE       45      /* FFS vnode private part */
        !           119: #define        M_MFSNODE       46      /* MFS vnode private part */
        !           120: #define        M_NQLEASE       47      /* Nqnfs lease */
        !           121: #define        M_NQMHOST       48      /* Nqnfs host address table */
        !           122: #define        M_NETADDR       49      /* Export host address structure */
        !           123: #define        M_NFSSVC        50      /* Nfs server structure */
        !           124: #define        M_NFSUID        51      /* Nfs uid mapping structure */
        !           125: #define        M_NFSD          52      /* Nfs server daemon structure */
        !           126: #define        M_IPMOPTS       53      /* internet multicast options */
        !           127: #define        M_IPMADDR       54      /* internet multicast address */
        !           128: #define        M_IFMADDR       55      /* link-level multicast address */
        !           129: #define        M_MRTABLE       56      /* multicast routing tables */
        !           130: #define        M_ISOFSMNT      57      /* ISOFS mount structure */
        !           131: #define        M_ISOFSNODE     58      /* ISOFS vnode private part */
        !           132: #define        M_NFSRVDESC     59      /* NFS server socket descriptor */
        !           133: #define        M_NFSDIROFF     60      /* NFS directory offset data */
        !           134: #define        M_NFSBIGFH      61      /* NFS version 3 file handle */
        !           135: #define        M_MSDOSFSMNT    62      /* MSDOS FS mount structure */
        !           136: #define        M_MSDOSFSFAT    63      /* MSDOS FS fat table */
        !           137: #define        M_MSDOSFSNODE   64      /* MSDOS FS vnode private part */
        !           138: #define        M_TTYS          65      /* allocated tty structures */
        !           139: #define        M_EXEC          66      /* argument lists & other mem used by exec */
        !           140: #define        M_MISCFSMNT     67      /* miscfs mount structures */
        !           141: #define        M_MISCFSNODE    68      /* miscfs vnode private part */
        !           142: #define        M_ADOSFSMNT     69      /* adosfs mount structures */
        !           143: #define        M_ADOSFSNODE    70      /* adosfs vnode private part */
        !           144: #define        M_ANODE         71      /* adosfs anode structures and tables. */
        !           145: #define        M_BUFHDR        72      /* File buffer cache headers */
        !           146: #define        M_OFILETABL     73      /* Open file descriptor table */
        !           147: #define        M_MCLUST        74      /* mbuf cluster buffers */
        !           148: #define        M_HFSMNT        75      /* HFS mount structure */
        !           149: #define        M_HFSNODE       76      /* HFS private node structre */
        !           150: #define        M_HFSFMETA      77      /* HFS file meta data */
        !           151: #define M_VOLFSMNT     78  /* VOLFS mount structure */
        !           152: #define        M_VOLFSNODE     79      /* VOLFS private node part */
        !           153: #define        M_TEMP          80      /* misc temporary data buffers */
        !           154: #define        M_SECA          81      /* security associations, key management */
        !           155: #define M_DEVFS                82
        !           156: #define M_IPFW         83      /* IP Forwarding/NAT */
        !           157: #define        M_LAST          84      /* Must be last type + 1 */
        !           158: 
        !           159: /* Strings corresponding to types of memory */
        !           160: /* Must be in synch with the #defines above */
        !           161: #define        INITKMEMNAMES { \
        !           162:        "free",         /* 0 M_FREE */ \
        !           163:        "mbuf",         /* 1 M_MBUF */ \
        !           164:        "devbuf",       /* 2 M_DEVBUF */ \
        !           165:        "socket",       /* 3 M_SOCKET */ \
        !           166:        "pcb",          /* 4 M_PCB */ \
        !           167:        "routetbl",     /* 5 M_RTABLE */ \
        !           168:        "hosttbl",      /* 6 M_HTABLE */ \
        !           169:        "fragtbl",      /* 7 M_FTABLE */ \
        !           170:        "zombie",       /* 8 M_ZOMBIE */ \
        !           171:        "ifaddr",       /* 9 M_IFADDR */ \
        !           172:        "soopts",       /* 10 M_SOOPTS */ \
        !           173:        "soname",       /* 11 M_SONAME */ \
        !           174:        "namei",        /* 12 M_NAMEI */ \
        !           175:        "gprof",        /* 13 M_GPROF */ \
        !           176:        "ioctlops",     /* 14 M_IOCTLOPS */ \
        !           177:        "mapmem",       /* 15 M_MAPMEM */ \
        !           178:        "cred",         /* 16 M_CRED */ \
        !           179:        "pgrp",         /* 17 M_PGRP */ \
        !           180:        "session",      /* 18 M_SESSION */ \
        !           181:        "iov",          /* 19 M_IOV */ \
        !           182:        "mount",        /* 20 M_MOUNT */ \
        !           183:        "fhandle",      /* 21 M_FHANDLE */ \
        !           184:        "NFS req",      /* 22 M_NFSREQ */ \
        !           185:        "NFS mount",    /* 23 M_NFSMNT */ \
        !           186:        "NFS node",     /* 24 M_NFSNODE */ \
        !           187:        "vnodes",       /* 25 M_VNODE */ \
        !           188:        "namecache",    /* 26 M_CACHE */ \
        !           189:        "UFS quota",    /* 27 M_DQUOT */ \
        !           190:        "UFS mount",    /* 28 M_UFSMNT */ \
        !           191:        "shm",          /* 29 M_SHM */ \
        !           192:        "VM map",       /* 30 M_VMMAP */ \
        !           193:        "VM mapent",    /* 31 M_VMMAPENT */ \
        !           194:        "VM object",    /* 32 M_VMOBJ */ \
        !           195:        "VM objhash",   /* 33 M_VMOBJHASH */ \
        !           196:        "VM pmap",      /* 34 M_VMPMAP */ \
        !           197:        "VM pvmap",     /* 35 M_VMPVENT */ \
        !           198:        "VM pager",     /* 36 M_VMPAGER */ \
        !           199:        "VM pgdata",    /* 37 M_VMPGDATA */ \
        !           200:        "file",         /* 38 M_FILE */ \
        !           201:        "file desc",    /* 39 M_FILEDESC */ \
        !           202:        "lockf",        /* 40 M_LOCKF */ \
        !           203:        "proc",         /* 41 M_PROC */ \
        !           204:        "subproc",      /* 42 M_SUBPROC */ \
        !           205:        "LFS segment",  /* 43 M_SEGMENT */ \
        !           206:        "LFS node",     /* 44 M_LFSNODE */ \
        !           207:        "FFS node",     /* 45 M_FFSNODE */ \
        !           208:        "MFS node",     /* 46 M_MFSNODE */ \
        !           209:        "NQNFS Lease",  /* 47 M_NQLEASE */ \
        !           210:        "NQNFS Host",   /* 48 M_NQMHOST */ \
        !           211:        "Export Host",  /* 49 M_NETADDR */ \
        !           212:        "NFS srvsock",  /* 50 M_NFSSVC */ \
        !           213:        "NFS uid",      /* 51 M_NFSUID */ \
        !           214:        "NFS daemon",   /* 52 M_NFSD */ \
        !           215:        "ip_moptions",  /* 53 M_IPMOPTS */ \
        !           216:        "in_multi",     /* 54 M_IPMADDR */ \
        !           217:        "ether_multi",  /* 55 M_IFMADDR */ \
        !           218:        "mrt",          /* 56 M_MRTABLE */ \
        !           219:        "ISOFS mount",  /* 57 M_ISOFSMNT */ \
        !           220:        "ISOFS node",   /* 58 M_ISOFSNODE */ \
        !           221:        "NFSV3 srvdesc",/* 59 M_NFSRVDESC */ \
        !           222:        "NFSV3 diroff", /* 60 M_NFSDIROFF */ \
        !           223:        "NFSV3 bigfh",  /* 61 M_NFSBIGFH */ \
        !           224:        "MSDOSFS mount",/* 62 M_MSDOSFSMNT */ \
        !           225:        "MSDOSFS fat",  /* 63 M_MSDOSFSFAT */ \
        !           226:        "MSDOSFS node", /* 64 M_MSDOSFSNODE */ \
        !           227:        "ttys",         /* 65 M_TTYS */ \
        !           228:        "exec",         /* 66 M_EXEC */ \
        !           229:        "miscfs mount", /* 67 M_MISCFSMNT */ \
        !           230:        "miscfs node",  /* 68 M_MISCFSNODE */ \
        !           231:        "adosfs mount", /* 69 M_ADOSFSMNT */ \
        !           232:        "adosfs node",  /* 70 M_ADOSFSNODE */ \
        !           233:        "adosfs anode", /* 71 M_ANODE */ \
        !           234:        "buf hdrs",     /* 72 M_BUFHDR */ \
        !           235:        "ofile tabl",   /* 73 M_OFILETABL */ \
        !           236:        "mbuf clust",   /* 74 M_MCLUST */ \
        !           237:        "HFS mount",    /* 75 M_HFSMNT */ \
        !           238:        "HFS node",             /* 76 M_HFSNODE */ \
        !           239:        "HFS fmeta",    /* 77 M_HFSFMETA */ \
        !           240:        "VOLFS mount",  /* 78 M_VOLFSMNT */ \
        !           241:        "VOLFS node",   /* 79 M_VOLFSNODE */ \
        !           242:        "temp",         /* 80 M_TEMP */ \
        !           243:        "key mgmt",     /* 81 M_SECA */ \
        !           244:        "DEVFS",        /* 82 M_DEVFS */ \
        !           245:        "IpFw/IpAcct"   /* 83 M_IPFW */ \
        !           246: }
        !           247: 
        !           248: struct kmemstats {
        !           249:        long    ks_inuse;       /* # of packets of this type currently
        !           250:                                 * in use */
        !           251:        long    ks_calls;       /* total packets of this type ever allocated */
        !           252:        long    ks_memuse;      /* total memory held in bytes */
        !           253:        u_short ks_limblocks;   /* number of times blocked for hitting limit */
        !           254:        u_short ks_mapblocks;   /* number of times blocked for kernel map */
        !           255:        long    ks_maxused;     /* maximum number ever used */
        !           256:        long    ks_limit;       /* most that are allowed to exist */
        !           257:        long    ks_size;        /* sizes of this thing that are allocated */
        !           258:        long    ks_spare;
        !           259: };
        !           260: 
        !           261: #ifdef KERNEL
        !           262: extern struct kmemstats kmemstats[];
        !           263: 
        !           264: /*
        !           265:  * The malloc/free primatives used
        !           266:  * by the BSD kernel code.
        !           267:  */
        !           268: #define        MALLOC(space, cast, size, type, flags) \
        !           269:        (space) = (cast)_MALLOC(size, type, flags)
        !           270: 
        !           271: #define FREE(addr, type) \
        !           272:        _FREE((void *)addr, type)
        !           273: 
        !           274: #define MALLOC_ZONE(space, cast, size, type, flags) \
        !           275:        (space) = (cast)_MALLOC_ZONE(size, type, flags)
        !           276: 
        !           277: #define FREE_ZONE(addr, size, type) \
        !           278:        _FREE_ZONE((void *)addr, size, type)
        !           279: 
        !           280: extern void    *_MALLOC __P((
        !           281:                        size_t          size,
        !           282:                        int             type,
        !           283:                        int             flags));
        !           284: 
        !           285: extern void    _FREE __P((
        !           286:                        void            *addr,
        !           287:                        int             type));
        !           288: 
        !           289: extern void    *_MALLOC_ZONE __P((
        !           290:                        size_t          size,
        !           291:                        int             type,
        !           292:                        int             flags));
        !           293: 
        !           294: extern void    _FREE_ZONE __P((
        !           295:                        void            *elem,
        !           296:                        size_t          size,
        !           297:                        int             type));
        !           298: 
        !           299: #endif /* KERNEL */
        !           300: 
        !           301: #endif /* _SYS_MALLOC_H_ */

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