libkern/libkern/c++/OSLib.h

   1 /*
   2  * Copyright (c) 1999-2006 Apple Computer, 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 #ifndef _OS_OSLIB_H
  29 #define _OS_OSLIB_H
  30
  31 #include <libkern/OSBase.h>
  32
  33 #ifdef KERNEL
  34 #define MACH_ASSERT 1
  35 #endif
  36
  37 __BEGIN_DECLS
  38
  39 #include <stdarg.h>
  40 #include <sys/systm.h>
  41
  42 #include <kern/assert.h>
  43 #ifdef KERNEL_PRIVATE
  44 #include <kern/kalloc.h>
  45 #endif
  46
  47 __END_DECLS
  48
  49
  50 #if XNU_KERNEL_PRIVATE
  51 #include <libkern/OSAtomic.h>
  52
  53 #define kalloc_container(size)  \
  54         kalloc_tag_bt(size, VM_KERN_MEMORY_LIBKERN)
  55
  56 #if OSALLOCDEBUG
  57 extern "C" int debug_container_malloc_size;
  58 extern "C" int debug_ivars_size;
  59 #if IOTRACKING
  60 #define OSCONTAINER_ACCUMSIZE(s) do { OSAddAtomic((SInt32)(s), &debug_container_malloc_size); trackingAccumSize(s); } while(0)
  61 #else
  62 #define OSCONTAINER_ACCUMSIZE(s) do { OSAddAtomic((SInt32)(s), &debug_container_malloc_size); } while(0)
  63 #endif
  64 #define OSMETA_ACCUMSIZE(s)      do { OSAddAtomic((SInt32)(s), &debug_container_malloc_size); } while(0)
  65 #define OSIVAR_ACCUMSIZE(s)      do { OSAddAtomic((SInt32)(s), &debug_ivars_size);            } while(0)
  66
  67 #else /* OSALLOCDEBUG */
  68
  69 #define OSCONTAINER_ACCUMSIZE(s)
  70 #define OSMETA_ACCUMSIZE(s)
  71 #define OSIVAR_ACCUMSIZE(s)
  72
  73 #endif  /* !OSALLOCDEBUG */
  74 #endif  /* XNU_KERNEL_PRIVATE */
  75
  76 #ifndef NULL
  77 #if defined (__cplusplus)
  78 #define NULL 0
  79 #else
  80 #define NULL ((void *)0)
  81 #endif
  82 #endif
  83
  84 #endif /* _OS_OSLIB_H  */
  85