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58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsTraceRefcnt_h___
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#define nsTraceRefcnt_h___
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#include <stdio.h> // for FILE
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#include "nscore.h"
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class nsTraceRefcnt
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{
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public:
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static void Startup();
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static void Shutdown();
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enum StatisticsType {
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ALL_STATS,
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NEW_STATS
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};
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static nsresult DumpStatistics(StatisticsType aType = ALL_STATS,
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FILE* aOut = 0);
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static void ResetStatistics();
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static void DemangleSymbol(const char* aSymbol, char* aBuffer, int aBufLen);
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static void WalkTheStack(FILE* aStream);
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/**
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* Tell nsTraceRefcnt whether refcounting, allocation, and destruction
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* activity is legal. This is used to trigger assertions for any such
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* activity that occurs because of static constructors or destructors.
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*/
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static void SetActivityIsLegal(bool aLegal);
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};
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#define NS_TRACE_REFCNT_CONTRACTID "@mozilla.org/xpcom/trace-refcnt;1"
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#define NS_TRACE_REFCNT_CID \
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{ /* e3e7511e-a395-4924-94b1-d527861cded4 */ \
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0xe3e7511e, \
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0xa395, \
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0x4924, \
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{0x94, 0xb1, 0xd5, 0x27, 0x86, 0x1c, 0xde, 0xd4} \
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} \
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////////////////////////////////////////////////////////////////////////////////
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// And now for that utility that you've all been asking for...
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extern "C" void
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NS_MeanAndStdDev(double aNumberOfValues,
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double aSumOfValues, double aSumOfSquaredValues,
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double* aMeanResult, double* aStdDevResult);
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////////////////////////////////////////////////////////////////////////////////
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#endif
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