gecko-dev/xpcom/glue/nsMemory.cpp

47 lines
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsXPCOM.h"
#include "nsMemory.h"
#include "nsXPCOMPrivate.h"
#include "nsDebug.h"
#include "nsISupportsUtils.h"
#include "nsCOMPtr.h"
////////////////////////////////////////////////////////////////////////////////
// nsMemory static helper routines
NS_COM_GLUE nsresult
nsMemory::HeapMinimize(bool aImmediate)
{
nsCOMPtr<nsIMemory> mem;
nsresult rv = NS_GetMemoryManager(getter_AddRefs(mem));
NS_ENSURE_SUCCESS(rv, rv);
return mem->HeapMinimize(aImmediate);
}
NS_COM_GLUE void*
nsMemory::Clone(const void* ptr, size_t size)
{
void* newPtr = NS_Alloc(size);
if (newPtr)
memcpy(newPtr, ptr, size);
return newPtr;
}
NS_COM_GLUE nsIMemory*
nsMemory::GetGlobalMemoryService()
{
nsIMemory* mem;
nsresult rv = NS_GetMemoryManager(&mem);
if (NS_FAILED(rv)) return nullptr;
return mem;
}
//----------------------------------------------------------------------