mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 nsTraceRefcnt_h___
|
|
#define nsTraceRefcnt_h___
|
|
|
|
#include <stdio.h> // for FILE
|
|
#include "nscore.h"
|
|
|
|
class nsTraceRefcnt
|
|
{
|
|
public:
|
|
static void Shutdown();
|
|
|
|
enum StatisticsType {
|
|
ALL_STATS,
|
|
NEW_STATS
|
|
};
|
|
|
|
static nsresult DumpStatistics(StatisticsType aType = ALL_STATS,
|
|
FILE* aOut = 0);
|
|
|
|
static void ResetStatistics();
|
|
|
|
static void DemangleSymbol(const char* aSymbol, char* aBuffer, int aBufLen);
|
|
|
|
static void WalkTheStack(FILE* aStream);
|
|
|
|
/**
|
|
* This is a variant of |WalkTheStack| that uses |CodeAddressService| to cache
|
|
* the results of |NS_DescribeCodeAddress|. If |WalkTheStackCached| is being
|
|
* called frequently, it will be a few orders of magnitude faster than
|
|
* |WalkTheStack|. However, the cache uses a lot of memory, which can cause
|
|
* OOM crashes. Therefore, this should only be used for things like refcount
|
|
* logging which walk the stack extremely frequently.
|
|
*/
|
|
static void WalkTheStackCached(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);
|
|
};
|
|
|
|
#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 aNumberOfValues,
|
|
double aSumOfValues, double aSumOfSquaredValues,
|
|
double* aMeanResult, double* aStdDevResult);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
#endif
|