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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /mfbt/RefCountType.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz |
Add m-esr52 at 52.6.0
Diffstat (limited to 'mfbt/RefCountType.h')
-rw-r--r-- | mfbt/RefCountType.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mfbt/RefCountType.h b/mfbt/RefCountType.h new file mode 100644 index 0000000000..e95a22a0ca --- /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 <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 |