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   {0x61d05579, 0xd7ec, 0x485c, \
  15     { 0xa4, 0x0c, 0x31, 0xc7, 0x9a, 0x5c, 0xf9, 0xf3 }}
  16
  17 class nsISizeOf : public nsISupports
  18 {
  19 public:
  20   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISIZEOF_IID)
  21
  22   /**
  23    * Measures the size of the things pointed to by the object.
  24    */
  25   virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const = 0;
  26
  27   /**
  28    * Like SizeOfExcludingThis, but also includes the size of the object itself.
  29    */
  30   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const = 0;
  31 };
  32
  33 NS_DEFINE_STATIC_IID_ACCESSOR(nsISizeOf, NS_ISIZEOF_IID)
  34
  35 #endif /* nsISizeOf_h___ */