xpcom/glue/nsMemory.cpp

   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/. */
   5
   6 #include "nsXPCOM.h"
   7 #include "nsMemory.h"
   8 #include "nsXPCOMPrivate.h"
   9 #include "nsDebug.h"
  10 #include "nsISupportsUtils.h"
  11 #include "nsCOMPtr.h"
  12
  13 ////////////////////////////////////////////////////////////////////////////////
  14 // nsMemory static helper routines
  15
  16 NS_COM_GLUE nsresult
  17 nsMemory::HeapMinimize(bool aImmediate)
  18 {
  19     nsCOMPtr<nsIMemory> mem;
  20     nsresult rv = NS_GetMemoryManager(getter_AddRefs(mem));
  21     NS_ENSURE_SUCCESS(rv, rv);
  22
  23     return mem->HeapMinimize(aImmediate);
  24 }
  25
  26 NS_COM_GLUE void*
  27 nsMemory::Clone(const void* ptr, size_t size)
  28 {
  29     void* newPtr = NS_Alloc(size);
  30     if (newPtr)
  31         memcpy(newPtr, ptr, size);
  32     return newPtr;
  33 }
  34
  35 NS_COM_GLUE nsIMemory*
  36 nsMemory::GetGlobalMemoryService()
  37 {
  38     nsIMemory* mem;
  39     nsresult rv = NS_GetMemoryManager(&mem);
  40     if (NS_FAILED(rv)) return nullptr;
  41
  42     return mem;
  43 }
  44
  45 //----------------------------------------------------------------------
  46