src/system/kernel/vm/VMUserArea.h

   1 /*
   2  * Copyright 2009-2010, 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, uint32 allocationFlags);
  23         static  VMUserArea*                     CreateReserved(VMAddressSpace* addressSpace,
  24                                                                         uint32 flags, uint32 allocationFlags);
  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