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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | /* * 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@ */ /* OSObject.cpp created by gvdl on Fri 1998-11-17 */ #include <libkern/c++/OSObject.h> #include <libkern/c++/OSSerialize.h> #include <libkern/c++/OSSymbol.h> #include <libkern/c++/OSLib.h> #include <libkern/c++/OSCPPDebug.h> #include <libkern/OSAtomic.h> __BEGIN_DECLS int debug_ivars_size; __END_DECLS #if OSALLOCDEBUG #define ACCUMSIZE(s) do { debug_ivars_size += (s); } while(0) #else #define ACCUMSIZE(s) #endif // OSDefineMetaClassAndAbstractStructors(OSObject, 0); /* Class global data */ OSObject::MetaClass OSObject::gMetaClass; const OSMetaClass * const OSObject::metaClass = &OSObject::gMetaClass; const OSMetaClass * const OSObject::superClass = 0; /* Class member functions - Can't use defaults */ OSObject::OSObject() { retainCount = 1; } OSObject::OSObject(const OSMetaClass *) { retainCount = 1; } OSObject::~OSObject() { } const OSMetaClass * OSObject::getMetaClass() const { return &gMetaClass; } OSObject *OSObject::MetaClass::alloc() const { return 0; } /* The OSObject::MetaClass constructor */ OSObject::MetaClass::MetaClass() : OSMetaClass("OSObject", OSObject::superClass, sizeof(OSObject)) { } // Virtual Padding OSMetaClassDefineReservedUnused(OSObject, 0); OSMetaClassDefineReservedUnused(OSObject, 1); OSMetaClassDefineReservedUnused(OSObject, 2); OSMetaClassDefineReservedUnused(OSObject, 3); OSMetaClassDefineReservedUnused(OSObject, 4); OSMetaClassDefineReservedUnused(OSObject, 5); OSMetaClassDefineReservedUnused(OSObject, 6); OSMetaClassDefineReservedUnused(OSObject, 7); OSMetaClassDefineReservedUnused(OSObject, 8); OSMetaClassDefineReservedUnused(OSObject, 9); OSMetaClassDefineReservedUnused(OSObject, 10); OSMetaClassDefineReservedUnused(OSObject, 11); OSMetaClassDefineReservedUnused(OSObject, 12); OSMetaClassDefineReservedUnused(OSObject, 13); OSMetaClassDefineReservedUnused(OSObject, 14); OSMetaClassDefineReservedUnused(OSObject, 15); OSMetaClassDefineReservedUnused(OSObject, 16); OSMetaClassDefineReservedUnused(OSObject, 17); OSMetaClassDefineReservedUnused(OSObject, 18); OSMetaClassDefineReservedUnused(OSObject, 19); OSMetaClassDefineReservedUnused(OSObject, 20); OSMetaClassDefineReservedUnused(OSObject, 21); OSMetaClassDefineReservedUnused(OSObject, 22); OSMetaClassDefineReservedUnused(OSObject, 23); OSMetaClassDefineReservedUnused(OSObject, 24); OSMetaClassDefineReservedUnused(OSObject, 25); OSMetaClassDefineReservedUnused(OSObject, 26); OSMetaClassDefineReservedUnused(OSObject, 27); OSMetaClassDefineReservedUnused(OSObject, 28); OSMetaClassDefineReservedUnused(OSObject, 29); OSMetaClassDefineReservedUnused(OSObject, 30); OSMetaClassDefineReservedUnused(OSObject, 31); bool OSObject::init() { return true; } void OSObject::free() { const OSMetaClass *meta = getMetaClass(); if (meta) meta->instanceDestructed(); delete this; } int OSObject::getRetainCount() const { return retainCount; } void OSObject::retain() const { OSIncrementAtomic((SInt32 *) &retainCount); } void OSObject::release(int when) const { if (OSDecrementAtomic((SInt32 *) &retainCount) <= when) ((OSObject *) this)->free(); } void OSObject::release() const { release(1); } bool OSObject::serialize(OSSerialize *s) const { if (s->previouslySerialized(this)) return true; if (!s->addXMLStartTag(this, "string")) return false; const OSMetaClass *meta = getMetaClass(); const char *className = (meta)? meta->getClassName() : "unknown class?"; if (!s->addString(className)) return false; if (!s->addString(" is not serializable")) return false; return s->addXMLEndTag("string"); } void *OSObject::operator new(size_t size) { void *mem = (void *) kalloc(size); assert(mem); bzero(mem, size); ACCUMSIZE(size); return mem; } void OSObject::operator delete(void *mem, size_t size) { kfree((vm_offset_t) mem, size); ACCUMSIZE(-size); } |