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/* 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_dom_FileHandleCommon_h
#define mozilla_dom_FileHandleCommon_h
#include "nscore.h"
#ifdef DEBUG
#define DEBUGONLY(...) __VA_ARGS__
#else
#define DEBUGONLY(...) /* nothing */
#endif
struct PRThread;
namespace mozilla {
namespace dom {
class RefCountedObject
{
public:
NS_IMETHOD_(MozExternalRefCountType)
AddRef() = 0;
NS_IMETHOD_(MozExternalRefCountType)
Release() = 0;
protected:
virtual ~RefCountedObject()
{ }
};
class ThreadObject
{
DEBUGONLY(PRThread* mOwningThread;)
public:
explicit ThreadObject(DEBUGONLY(PRThread* aOwningThread))
DEBUGONLY(: mOwningThread(aOwningThread))
{ }
virtual ~ThreadObject()
{ }
#ifdef DEBUG
void
AssertIsOnOwningThread() const;
PRThread*
OwningThread() const;
#else
void
AssertIsOnOwningThread() const
{ }
#endif
};
class RefCountedThreadObject
: public RefCountedObject
, public ThreadObject
{
public:
explicit RefCountedThreadObject(DEBUGONLY(PRThread* aOwningThread))
: ThreadObject(DEBUGONLY(aOwningThread))
{ }
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_FileHandleCommon_h
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