From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- mfbt/RefCountType.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 mfbt/RefCountType.h (limited to 'mfbt/RefCountType.h') diff --git a/mfbt/RefCountType.h b/mfbt/RefCountType.h new file mode 100644 index 000000000..e95a22a0c --- /dev/null +++ b/mfbt/RefCountType.h @@ -0,0 +1,37 @@ +/* -*- 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 + +/** + * 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 -- cgit v1.2.3