xpcom/glue/nsMemory.cpp@97036ab72558 (annotated)
xpcom/glue/nsMemory.cpp
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 | #include "nsXPCOM.h" |
| michael@0 | 7 | #include "nsMemory.h" |
| michael@0 | 8 | #include "nsIMemory.h" |
| michael@0 | 9 | #include "nsXPCOMPrivate.h" |
| michael@0 | 10 | #include "nsDebug.h" |
| michael@0 | 11 | #include "nsISupportsUtils.h" |
| michael@0 | 12 | #include "nsCOMPtr.h" |
| michael@0 | 13 | |
| michael@0 | 14 | //////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 15 | // nsMemory static helper routines |
| michael@0 | 16 | |
| michael@0 | 17 | NS_COM_GLUE nsresult |
| michael@0 | 18 | nsMemory::HeapMinimize(bool aImmediate) |
| michael@0 | 19 | { |
| michael@0 | 20 | nsCOMPtr<nsIMemory> mem; |
| michael@0 | 21 | nsresult rv = NS_GetMemoryManager(getter_AddRefs(mem)); |
| michael@0 | 22 | if (NS_WARN_IF(NS_FAILED(rv))) |
| michael@0 | 23 | return rv; |
| michael@0 | 24 | |
| michael@0 | 25 | return mem->HeapMinimize(aImmediate); |
| michael@0 | 26 | } |
| michael@0 | 27 | |
| michael@0 | 28 | NS_COM_GLUE void* |
| michael@0 | 29 | nsMemory::Clone(const void* ptr, size_t size) |
| michael@0 | 30 | { |
| michael@0 | 31 | void* newPtr = NS_Alloc(size); |
| michael@0 | 32 | if (newPtr) |
| michael@0 | 33 | memcpy(newPtr, ptr, size); |
| michael@0 | 34 | return newPtr; |
| michael@0 | 35 | } |
| michael@0 | 36 | |
| michael@0 | 37 | NS_COM_GLUE nsIMemory* |
| michael@0 | 38 | nsMemory::GetGlobalMemoryService() |
| michael@0 | 39 | { |
| michael@0 | 40 | nsIMemory* mem; |
| michael@0 | 41 | nsresult rv = NS_GetMemoryManager(&mem); |
| michael@0 | 42 | if (NS_FAILED(rv)) return nullptr; |
| michael@0 | 43 | |
| michael@0 | 44 | return mem; |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | //---------------------------------------------------------------------- |
| michael@0 | 48 |
