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 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* vim: set ts=8 sts=2 et sw=2 tw=80: */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #ifndef mozilla_RefCountType_h

 #define mozilla_RefCountType_h

 #include <stdint.h>

 /**

  * MozRefCountType is Mozilla's reference count type.

  *

  * We use the same type to represent the refcount of RefCounted objects

  * as well, in order to be able to use the leak detection facilities

  * that are implemented by XPCOM.

  *

  * Note that this type is not in the mozilla namespace so that it is

  * usable for both C and C++ code.

  */

 typedef uintptr_t MozRefCountType;

 /*

  * This is the return type for AddRef() and Release() in nsISupports.

  * IUnknown of COM returns an unsigned long from equivalent functions.

  *

  * The following ifdef exists to maintain binary compatibility with

  * IUnknown, the base interface in Microsoft COM.

  */

 #ifdef XP_WIN

 typedef unsigned long MozExternalRefCountType;

 #else

 typedef uint32_t MozExternalRefCountType;

 #endif

 #endif