RefCountType.h (1187B)
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 mozilla_RefCountType_h 8 #define mozilla_RefCountType_h 9 10 #include <stdint.h> 11 12 /** 13 * MozRefCountType is Mozilla's reference count type. 14 * 15 * We use the same type to represent the refcount of RefCounted objects 16 * as well, in order to be able to use the leak detection facilities 17 * that are implemented by XPCOM. 18 * 19 * Note that this type is not in the mozilla namespace so that it is 20 * usable for both C and C++ code. 21 */ 22 typedef uintptr_t MozRefCountType; 23 24 /* 25 * This is the return type for AddRef() and Release() in nsISupports. 26 * IUnknown of COM returns an unsigned long from equivalent functions. 27 * 28 * The following ifdef exists to maintain binary compatibility with 29 * IUnknown, the base interface in Microsoft COM. 30 */ 31 #ifdef XP_WIN 32 typedef unsigned long MozExternalRefCountType; 33 #else 34 typedef uint32_t MozExternalRefCountType; 35 #endif 36 37 #endif