gecko/xpcom/base/nsTraceRefcntImpl.h

64 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef nsTraceRefcntImpl_h___
#define nsTraceRefcntImpl_h___
#include <stdio.h> // for FILE
#include "nsITraceRefcnt.h"
class nsTraceRefcntImpl : public nsITraceRefcnt
{
public:
nsTraceRefcntImpl() {}
NS_DECL_ISUPPORTS
NS_DECL_NSITRACEREFCNT
static void Startup();
static void Shutdown();
enum StatisticsType {
ALL_STATS,
NEW_STATS
};
static nsresult DumpStatistics(StatisticsType type = ALL_STATS,
FILE* out = 0);
static void ResetStatistics(void);
static void DemangleSymbol(const char * aSymbol,
char * aBuffer,
int aBufLen);
static 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 void SetActivityIsLegal(bool 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_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" void
NS_MeanAndStdDev(double n, double sumOfValues, double sumOfSquaredValues,
double *meanResult, double *stdDevResult);
////////////////////////////////////////////////////////////////////////////////
#endif