gecko-dev/xpcom/base/nsMemory.cpp

54 строки
1.2 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
2012-05-21 15:12:37 +04:00
/* 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 "nsIMemory.h"
#include "nsXPCOMPrivate.h"
#include "nsDebug.h"
#include "nsISupportsUtils.h"
#include "nsCOMPtr.h"
////////////////////////////////////////////////////////////////////////////////
// nsMemory static helper routines
nsresult
nsMemory::HeapMinimize(bool aImmediate)
{
nsCOMPtr<nsIMemory> mem;
nsresult rv = NS_GetMemoryManager(getter_AddRefs(mem));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return mem->HeapMinimize(aImmediate);
}
void*
nsMemory::Clone(const void* aPtr, size_t aSize)
{
void* newPtr = NS_Alloc(aSize);
if (newPtr) {
memcpy(newPtr, aPtr, aSize);
}
return newPtr;
}
nsIMemory*
nsMemory::GetGlobalMemoryService()
{
nsIMemory* mem;
nsresult rv = NS_GetMemoryManager(&mem);
if (NS_FAILED(rv)) {
return nullptr;
}
return mem;
}
//----------------------------------------------------------------------