1 /* 2 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de. 3 * Distributed under the terms of the NewOS License. 4 */ 5 #ifndef VM_USER_AREA_H 6 #define VM_USER_AREA_H 7 8 9 #include <vm/VMArea.h> 10 11 12 struct VMUserAddressSpace; 13 14 15 struct VMUserArea : VMArea { 16 VMUserArea(VMAddressSpace* addressSpace, 17 uint32 wiring, uint32 protection); 18 ~VMUserArea(); 19 20 static VMUserArea* Create(VMAddressSpace* addressSpace, 21 const char* name, uint32 wiring, 22 uint32 protection); 23 static VMUserArea* CreateReserved(VMAddressSpace* addressSpace, 24 uint32 flags); 25 26 DoublyLinkedListLink<VMUserArea>& AddressSpaceLink() 27 { return fAddressSpaceLink; } 28 const DoublyLinkedListLink<VMUserArea>& AddressSpaceLink() const 29 { return fAddressSpaceLink; } 30 31 private: 32 DoublyLinkedListLink<VMUserArea> fAddressSpaceLink; 33 }; 34 35 36 struct VMUserAreaGetLink { 37 inline DoublyLinkedListLink<VMUserArea>* operator()( 38 VMUserArea* area) const 39 { 40 return &area->AddressSpaceLink(); 41 } 42 43 inline const DoublyLinkedListLink<VMUserArea>* operator()( 44 const VMUserArea* area) const 45 { 46 return &area->AddressSpaceLink(); 47 } 48 }; 49 50 typedef DoublyLinkedList<VMUserArea, VMUserAreaGetLink> VMUserAreaList; 51 52 53 #endif // VM_USER_AREA_H 54