xpcom/components/nsNativeComponentLoader.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

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.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nsNativeModuleLoader_h__
michael@0 7 #define nsNativeModuleLoader_h__
michael@0 8
michael@0 9 #include "nsISupports.h"
michael@0 10 #include "mozilla/ModuleLoader.h"
michael@0 11 #include "nsDataHashtable.h"
michael@0 12 #include "nsHashKeys.h"
michael@0 13 #include "mozilla/Module.h"
michael@0 14 #include "prlink.h"
michael@0 15
michael@0 16 class nsNativeModuleLoader : public mozilla::ModuleLoader
michael@0 17 {
michael@0 18 public:
michael@0 19 NS_DECL_ISUPPORTS_INHERITED
michael@0 20
michael@0 21 nsNativeModuleLoader() {}
michael@0 22 ~nsNativeModuleLoader() {}
michael@0 23
michael@0 24 virtual const mozilla::Module* LoadModule(mozilla::FileLocation &aFile) MOZ_OVERRIDE;
michael@0 25
michael@0 26 nsresult Init();
michael@0 27
michael@0 28 void UnloadLibraries();
michael@0 29
michael@0 30 private:
michael@0 31 struct NativeLoadData
michael@0 32 {
michael@0 33 NativeLoadData()
michael@0 34 : module(nullptr)
michael@0 35 , library(nullptr)
michael@0 36 { }
michael@0 37
michael@0 38 const mozilla::Module* module;
michael@0 39 PRLibrary* library;
michael@0 40 };
michael@0 41
michael@0 42 static PLDHashOperator
michael@0 43 ReleaserFunc(nsIHashable* aHashedFile, NativeLoadData &aLoadData, void*);
michael@0 44
michael@0 45 static PLDHashOperator
michael@0 46 UnloaderFunc(nsIHashable* aHashedFile, NativeLoadData &aLoadData, void*);
michael@0 47
michael@0 48 nsDataHashtable<nsHashableHashKey, NativeLoadData> mLibraries;
michael@0 49 };
michael@0 50
michael@0 51 #endif /* nsNativeModuleLoader_h__ */

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