The Tor Browser: content/base/src/nsCCUncollectableMarker.h@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsCCUncollectableMarker_h_

     7 #define nsCCUncollectableMarker_h_

     9 #include "js/TracingAPI.h"

    10 #include "mozilla/Attributes.h"

    11 #include "nsIObserver.h"

    13 class nsCCUncollectableMarker MOZ_FINAL : public nsIObserver

    14 {

    15   NS_DECL_ISUPPORTS

    16   NS_DECL_NSIOBSERVER

    18   /**

    19    * Inits a global nsCCUncollectableMarker. Should only be called once.

    20    */

    21   static nsresult Init();

    23   /**

    24    * Checks if we're collecting during a given generation

    25    */

    26   static bool InGeneration(uint32_t aGeneration)

    27   {

    28     return aGeneration && aGeneration == sGeneration;

    29   }

    31   template <class CCCallback>

    32   static bool InGeneration(CCCallback& aCb, uint32_t aGeneration)

    33   {

    34     return InGeneration(aGeneration) && !aCb.WantAllTraces();

    35   }

    37   static uint32_t sGeneration;

    39 private:

    40   nsCCUncollectableMarker() {}

    42 };

    44 namespace mozilla {

    45 namespace dom {

    46 void TraceBlackJS(JSTracer* aTrc, uint32_t aGCNumber, bool aIsShutdownGC);

    47 }

    48 }

    50 #endif

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