1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mfbt/RefCountType.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,37 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_RefCountType_h
1.11 +#define mozilla_RefCountType_h
1.12 +
1.13 +#include <stdint.h>
1.14 +
1.15 +/**
1.16 + * MozRefCountType is Mozilla's reference count type.
1.17 + *
1.18 + * We use the same type to represent the refcount of RefCounted objects
1.19 + * as well, in order to be able to use the leak detection facilities
1.20 + * that are implemented by XPCOM.
1.21 + *
1.22 + * Note that this type is not in the mozilla namespace so that it is
1.23 + * usable for both C and C++ code.
1.24 + */
1.25 +typedef uintptr_t MozRefCountType;
1.26 +
1.27 +/*
1.28 + * This is the return type for AddRef() and Release() in nsISupports.
1.29 + * IUnknown of COM returns an unsigned long from equivalent functions.
1.30 + *
1.31 + * The following ifdef exists to maintain binary compatibility with
1.32 + * IUnknown, the base interface in Microsoft COM.
1.33 + */
1.34 +#ifdef XP_WIN
1.35 +typedef unsigned long MozExternalRefCountType;
1.36 +#else
1.37 +typedef uint32_t MozExternalRefCountType;
1.38 +#endif
1.39 +
1.40 +#endif
