gecko-dev/xpcom/base/nsTraceRefcntImpl.h

97 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@dbaron.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsTraceRefcntImpl_h___
#define nsTraceRefcntImpl_h___
#include <stdio.h> // for FILE
#include "nsITraceRefcnt.h"
class nsTraceRefcntImpl : public nsITraceRefcnt
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSITRACEREFCNT
static NS_COM void Startup();
static NS_COM void Shutdown();
enum StatisticsType {
ALL_STATS,
NEW_STATS
};
static NS_COM nsresult DumpStatistics(StatisticsType type = ALL_STATS,
FILE* out = 0);
static NS_COM void ResetStatistics(void);
static NS_COM void DemangleSymbol(const char * aSymbol,
char * aBuffer,
int aBufLen);
static NS_COM void WalkTheStack(FILE* aStream);
/**
* Tell nsTraceRefcnt whether refcounting, allocation, and destruction
* activity is legal. This is used to trigger assertions for any such
* activity that occurs because of static constructors or destructors.
*/
static NS_COM void SetActivityIsLegal(PRBool aLegal);
static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
};
#define NS_TRACE_REFCNT_CONTRACTID "@mozilla.org/xpcom/trace-refcnt;1"
#define NS_TRACE_REFCNT_CLASSNAME "nsTraceRefcnt Interface"
#define NS_TRACE_REFCNT_CID \
{ /* e3e7511e-a395-4924-94b1-d527861cded4 */ \
0xe3e7511e, \
0xa395, \
0x4924, \
{0x94, 0xb1, 0xd5, 0x27, 0x86, 0x1c, 0xde, 0xd4} \
} \
////////////////////////////////////////////////////////////////////////////////
// And now for that utility that you've all been asking for...
extern "C" NS_COM void
NS_MeanAndStdDev(double n, double sumOfValues, double sumOfSquaredValues,
double *meanResult, double *stdDevResult);
////////////////////////////////////////////////////////////////////////////////
#endif