content/base/src/nsCCUncollectableMarker.h

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     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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