mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Implementation of nsIAllocator using NSPR
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "nsAllocator.h"
|
|
|
|
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
|
|
static NS_DEFINE_IID(kIAllocatorIID, NS_IALLOCATOR_IID);
|
|
|
|
nsAllocator::nsAllocator(nsISupports* outer)
|
|
{
|
|
NS_INIT_AGGREGATED(outer);
|
|
}
|
|
|
|
nsAllocator::~nsAllocator(void)
|
|
{
|
|
}
|
|
|
|
NS_IMPL_AGGREGATED(nsAllocator);
|
|
|
|
NS_METHOD
|
|
nsAllocator::AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(kIAllocatorIID) ||
|
|
aIID.Equals(kISupportsIID)) {
|
|
*aInstancePtr = (void*) this;
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsAllocator::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
|
|
{
|
|
if (outer && !aIID.Equals(kISupportsIID))
|
|
return NS_NOINTERFACE; // XXX right error?
|
|
nsAllocator* mm = new nsAllocator(outer);
|
|
if (mm == NULL)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
mm->AddRef();
|
|
if (aIID.Equals(kISupportsIID))
|
|
*aInstancePtr = mm->GetInner();
|
|
else
|
|
*aInstancePtr = mm;
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_METHOD_(void*)
|
|
nsAllocator::Alloc(PRUint32 size)
|
|
{
|
|
return PR_Malloc(size);
|
|
}
|
|
|
|
NS_METHOD_(void*)
|
|
nsAllocator::Realloc(void* ptr, PRUint32 size)
|
|
{
|
|
return PR_Realloc(ptr, size);
|
|
}
|
|
|
|
NS_METHOD
|
|
nsAllocator::Free(void* ptr)
|
|
{
|
|
PR_Free(ptr);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsAllocator::HeapMinimize(void)
|
|
{
|
|
#ifdef XP_MAC
|
|
// This used to live in the memory allocators no Mac, but does no more
|
|
// Needs to be hooked up in the new world.
|
|
// CallCacheFlushers(0x7fffffff);
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
nsAllocatorFactory::nsAllocatorFactory(void)
|
|
{
|
|
}
|
|
|
|
nsAllocatorFactory::~nsAllocatorFactory(void)
|
|
{
|
|
}
|
|
|
|
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
|
|
NS_IMPL_ISUPPORTS(nsAllocatorFactory, kIFactoryIID);
|
|
|
|
NS_METHOD
|
|
nsAllocatorFactory::CreateInstance(nsISupports *aOuter,
|
|
REFNSIID aIID,
|
|
void **aResult)
|
|
{
|
|
return nsAllocator::Create(aOuter, aIID, aResult);
|
|
}
|
|
|
|
NS_METHOD
|
|
nsAllocatorFactory::LockFactory(PRBool aLock)
|
|
{
|
|
return NS_OK; // XXX what?
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|