The Tor Browser: xpcom/components/nsNativeComponentLoader.h@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     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 nsNativeModuleLoader_h__

     7 #define nsNativeModuleLoader_h__

     9 #include "nsISupports.h"

    10 #include "mozilla/ModuleLoader.h"

    11 #include "nsDataHashtable.h"

    12 #include "nsHashKeys.h"

    13 #include "mozilla/Module.h"

    14 #include "prlink.h"

    16 class nsNativeModuleLoader : public mozilla::ModuleLoader

    17 {

    18  public:

    19     NS_DECL_ISUPPORTS_INHERITED

    21     nsNativeModuleLoader() {}

    22     ~nsNativeModuleLoader() {}

    24     virtual const mozilla::Module* LoadModule(mozilla::FileLocation &aFile) MOZ_OVERRIDE;

    26     nsresult Init();

    28     void UnloadLibraries();

    30  private:

    31     struct NativeLoadData

    32     {

    33         NativeLoadData()

    34             : module(nullptr)

    35             , library(nullptr)

    36         { }

    38         const mozilla::Module* module;

    39         PRLibrary* library;

    40     };

    42     static PLDHashOperator

    43     ReleaserFunc(nsIHashable* aHashedFile, NativeLoadData &aLoadData, void*);

    45     static PLDHashOperator

    46     UnloaderFunc(nsIHashable* aHashedFile, NativeLoadData &aLoadData, void*);

    48     nsDataHashtable<nsHashableHashKey, NativeLoadData> mLibraries;

    49 };

    51 #endif /* nsNativeModuleLoader_h__ */

The Tor Browser / file revision

xpcom/components/nsNativeComponentLoader.h@97036ab72558

xpcom/components/nsNativeComponentLoader.h