xpcom/base/nsISizeOf.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsISizeOf_h___
   8 #define nsISizeOf_h___
   9
  10 #include "mozilla/MemoryReporting.h"
  11 #include "nsISupports.h"
  12
  13 #define NS_ISIZEOF_IID                               \
  14   {                                                  \
  15     0x61d05579, 0xd7ec, 0x485c, {                    \
  16       0xa4, 0x0c, 0x31, 0xc7, 0x9a, 0x5c, 0xf9, 0xf3 \
  17     }                                                \
  18   }
  19
  20 class nsISizeOf : public nsISupports {
  21  public:
  22   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISIZEOF_IID)
  23
  24   /**
  25    * Measures the size of the things pointed to by the object.
  26    */
  27   virtual size_t SizeOfExcludingThis(
  28       mozilla::MallocSizeOf aMallocSizeOf) const = 0;
  29
  30   /**
  31    * Like SizeOfExcludingThis, but also includes the size of the object itself.
  32    */
  33   virtual size_t SizeOfIncludingThis(
  34       mozilla::MallocSizeOf aMallocSizeOf) const = 0;
  35 };
  36
  37 NS_DEFINE_STATIC_IID_ACCESSOR(nsISizeOf, NS_ISIZEOF_IID)
  38
  39 #endif /* nsISizeOf_h___ */