iokit/Kernel/IOMultiMemoryDescriptor.cpp

83         for ( unsigned index = 0; index < _descriptorsCount; index++ )
84             _descriptors[index]->release();
120     for ( unsigned index = 0; index < withCount; index++ )
122         descriptors[index]->retain();
123         _length += descriptors[index]->getLength();
124         if ( _tag == 0 )  _tag = descriptors[index]->getTag();
125         assert(descriptors[index]->getDirection() ==
140         for ( unsigned index = 0; index < _descriptorsCount; index++ )
141             _descriptors[index]->release();
160     unsigned index;
169     for ( index = 0; index < _descriptorsCount; index++ )
171         status = _descriptors[index]->prepare(forDirection);
177         for ( unsigned indexUndo = 0; indexUndo <= index; indexUndo++ )
179             statusUndo = _descriptors[index]->complete(forDirection);
205     for ( unsigned index = 0; index < _descriptorsCount; index++ )
207         status = _descriptors[index]->complete(forDirection);
228     for ( unsigned index = 0; index < _descriptorsCount; index++ )
230         if ( offset < _descriptors[index]->getLength() )
232             return _descriptors[index]->getPhysicalSegment(offset, length, options);
234         offset -= _descriptors[index]->getLength();