xnu-2050.48.11.tar.gz

[apple/xnu.git] / bsd / sys / malloc.h

diff --git a/bsd/sys/malloc.h b/bsd/sys/malloc.h
index 1bb501e9c0240da5e2761ac91af9bce8c4524425..80883f08bdfc9eabf9db7f1701c431cb544b67a1 100644 (file)
--- a/bsd/sys/malloc.h
+++ b/bsd/sys/malloc.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2011 Apple Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * 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.
+ * 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@
+ * @APPLE_OSREFERENCE_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) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */


@@ -55,6 +61,12 @@
  *
  *     @(#)malloc.h    8.5 (Berkeley) 5/3/95
  */
  *
  *     @(#)malloc.h    8.5 (Berkeley) 5/3/95
  */

+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */

 
 #ifndef _SYS_MALLOC_H_
 #define        _SYS_MALLOC_H_
 
 #ifndef _SYS_MALLOC_H_
 #define        _SYS_MALLOC_H_


@@ -73,7 +85,7 @@
 
 #ifdef BSD_KERNEL_PRIVATE
 
 
 #ifdef BSD_KERNEL_PRIVATE
 

-#define KMEMSTATS
+#define KMEMSTATS 0

 
 /*
  * Types of memory to be allocated (not all are used by us)
 
 /*
  * Types of memory to be allocated (not all are used by us)


@@ -108,8 +120,8 @@
 #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_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_PLIMIT        30      /* plimit  structures */
+#define        M_SIGACTS       31      /* sigacts structures */

 #define        M_VMOBJ         32      /* VM object structure */
 #define        M_VMOBJHASH     33      /* VM object hash structure */
 #define        M_VMPMAP        34      /* VM pmap */
 #define        M_VMOBJ         32      /* VM object structure */
 #define        M_VMOBJHASH     33      /* VM object hash structure */
 #define        M_VMPMAP        34      /* VM pmap */


@@ -120,7 +132,7 @@
 #define        M_FILEDESC      39      /* Open file descriptor table */
 #define        M_LOCKF         40      /* Byte-range locking structures */
 #define        M_PROC          41      /* Proc structures */
 #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_PSTATS        42      /* pstats  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_SEGMENT       43      /* Segment for LFS */
 #define        M_LFSNODE       44      /* LFS vnode private part */
 #define        M_FFSNODE       45      /* FFS vnode private part */


@@ -128,9 +140,9 @@
 #define        M_NQLEASE       47      /* XXX: Nqnfs lease */
 #define        M_NQMHOST       48      /* XXX: Nqnfs host address table */
 #define        M_NETADDR       49      /* Export host address structure */
 #define        M_NQLEASE       47      /* XXX: Nqnfs lease */
 #define        M_NQMHOST       48      /* XXX: 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_NFSSVC        50      /* NFS server structure */
+#define        M_NFSUID        51      /* XXX: 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_IPMOPTS       53      /* internet multicast options */
 #define        M_IPMADDR       54      /* internet multicast address */
 #define        M_IFMADDR       55      /* link-level multicast address */


@@ -156,10 +168,9 @@
 #define        M_HFSMNT        75      /* HFS mount structure */
 #define        M_HFSNODE       76      /* HFS catalog node */
 #define        M_HFSFORK       77      /* HFS file fork */
 #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_ZFSMNT       78      /* ZFS mount data */
+#define        M_ZFSNODE       79      /* ZFS inode */

 #define        M_TEMP          80      /* misc temporary data buffers */
 #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_SECA          81      /* security associations, key management */
 #define M_DEVFS                82
 #define M_IPFW         83      /* IP Forwarding/NAT */


@@ -168,7 +179,7 @@
 #define M_IP6NDP       86      /* IPv6 Neighbour Discovery*/
 #define M_IP6OPT       87      /* IPv6 options management */
 #define M_IP6MISC      88      /* IPv6 misc. memory */
 #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_TSEGQ                89      /* TCP segment queue entry, unused */

 #define M_IGMP         90
 #define M_JNL_JNL   91  /* Journaling: "struct journal" */
 #define M_JNL_TR    92  /* Journaling: "struct transaction" */ 
 #define M_IGMP         90
 #define M_JNL_JNL   91  /* Journaling: "struct journal" */
 #define M_JNL_TR    92  /* Journaling: "struct transaction" */ 


@@ -181,7 +192,25 @@
 #define M_FILEGLOB     99      /* fileglobal */
 #define M_KAUTH                100     /* kauth subsystem */
 #define M_DUMMYNET     101     /* dummynet */
 #define M_FILEGLOB     99      /* fileglobal */
 #define M_KAUTH                100     /* kauth subsystem */
 #define M_DUMMYNET     101     /* dummynet */

+#if CONFIG_VFS_FUNNEL

 #define M_UNSAFEFS     102     /* storage for vnode lock state for unsafe FS */
 #define M_UNSAFEFS     102     /* storage for vnode lock state for unsafe FS */

+#endif /* CONFIG_VFS_FUNNEL */
+#define M_MACPIPELABEL 103     /* MAC pipe labels */
+#define M_MACTEMP      104     /* MAC framework */
+#define M_SBUF         105     /* string buffers */
+#define M_EXTATTR      106     /* extended attribute */
+#define M_LCTX         107     /* process login context */
+/* M_TRAFFIC_MGT 108 */
+#if HFS_COMPRESSION
+#define M_DECMPFS_CNODE        109     /* decmpfs cnode structures */
+#endif /* HFS_COMPRESSION */
+#define M_INMFILTER    110     /* IPv4 multicast PCB-layer source filter */
+#define M_IPMSOURCE    111     /* IPv4 multicast IGMP-layer source filter */
+#define        M_IN6MFILTER    112     /* IPv6 multicast PCB-layer source filter */
+#define        M_IP6MOPTS      113     /* IPv6 multicast options */
+#define        M_IP6MSOURCE    114     /* IPv6 multicast MLD-layer source filter */
+
+#define        M_LAST          115     /* Must be last type + 1 */

 
 #else /* BSD_KERNEL_PRIVATE */
 
 
 #else /* BSD_KERNEL_PRIVATE */
 


@@ -200,117 +229,7 @@
 
 #ifdef BSD_KERNEL_PRIVATE
 
 
 #ifdef BSD_KERNEL_PRIVATE
 

-
-#define        M_LAST          103     /* 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 */ \
-       "iov32",        /* 19 M_IOV32 */ \
-       "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 */ \
-       "fileproc",     /* 38 M_FILEPROC */ \
-       "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 */\
-       "HFS dirhint",  /* 95 M_HFSDIRHINT */ \
-        "cluster_read",        /* 96 M_CLRDAHEAD */ \
-        "cluster_write",/* 97 M_CLWRBEHIND */ \
-       "iov64",        /* 98 M_IOV64 */ \
-       "fileglob",     /* 99 M_FILEGLOB */ \
-       "kauth",                /* 100 M_KAUTH */ \
-       "dummynet",             /* 101 M_DUMMYNET */ \
-        "unsafe_fsnode"        /* 102 M_UNSAFEFS */ \
-}
-
+#if KMEMSTATS

 struct kmemstats {
        long    ks_inuse;       /* # of packets of this type currently
                                 * in use */
 struct kmemstats {
        long    ks_inuse;       /* # of packets of this type currently
                                 * in use */


@@ -325,6 +244,7 @@ struct kmemstats {
 };
 
 extern struct kmemstats kmemstats[];
 };
 
 extern struct kmemstats kmemstats[];

+#endif /* KMEMSTATS */

 
 #endif /* BSD_KERNEL_PRIVATE */
 
 
 #endif /* BSD_KERNEL_PRIVATE */
 


@@ -338,6 +258,9 @@ extern struct kmemstats kmemstats[];
 #define FREE(addr, type) \
        _FREE((void *)addr, type)
 
 #define FREE(addr, type) \
        _FREE((void *)addr, type)
 

+#define        REALLOC(space, cast, addr, size, type, flags) \
+       (space) = (cast)_REALLOC(addr, size, type, flags)
+

 #define MALLOC_ZONE(space, cast, size, type, flags) \
        (space) = (cast)_MALLOC_ZONE(size, type, flags)
 
 #define MALLOC_ZONE(space, cast, size, type, flags) \
        (space) = (cast)_MALLOC_ZONE(size, type, flags)
 


@@ -353,6 +276,12 @@ extern void        _FREE(
                        void            *addr,
                        int             type);
 
                        void            *addr,
                        int             type);
 

+extern void    *_REALLOC(
+                       void            *addr,
+                       size_t          size,
+                       int             type,
+                       int             flags);
+

 extern void    *_MALLOC_ZONE(
                        size_t          size,
                        int             type,
 extern void    *_MALLOC_ZONE(
                        size_t          size,
                        int             type,