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/. */
7 #ifndef nsMemoryImpl_h__
8 #define nsMemoryImpl_h__
10 #include "mozilla/Atomics.h"
12 #include "nsIMemory.h"
13 #include "nsIRunnable.h"
15 // nsMemoryImpl is a static object. We can do this because it doesn't have
16 // a constructor/destructor or any instance members. Please don't add
17 // instance member variables, only static member variables.
19 class nsMemoryImpl
: public nsIMemory
{
21 // We don't use the generic macros because we are a special static object
22 NS_IMETHOD
QueryInterface(REFNSIID aIID
, void** aResult
) override
;
23 NS_IMETHOD_(MozExternalRefCountType
) AddRef(void) override
{ return 1; }
24 NS_IMETHOD_(MozExternalRefCountType
) Release(void) override
{ return 1; }
28 static nsresult
Create(nsISupports
* aOuter
, const nsIID
& aIID
,
31 nsresult
FlushMemory(const char16_t
* aReason
, bool aImmediate
);
32 void RunFlushers(const char16_t
* aReason
);
35 struct FlushEvent
: public nsIRunnable
{
36 constexpr FlushEvent() : mReason(nullptr) {}
37 NS_DECL_ISUPPORTS_INHERITED
39 const char16_t
* mReason
;
42 static mozilla::Atomic
<bool> sIsFlushing
;
43 static FlushEvent sFlushEvent
;
44 static PRIntervalTime sLastFlushTime
;
47 #endif // nsMemoryImpl_h__