1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/base/nsTraceRefcnt.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,57 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#ifndef nsTraceRefcnt_h___
1.9 +#define nsTraceRefcnt_h___
1.10 +
1.11 +#include <stdio.h> // for FILE
1.12 +#include "nscore.h"
1.13 +
1.14 +class nsTraceRefcnt
1.15 +{
1.16 +public:
1.17 + static void Startup();
1.18 + static void Shutdown();
1.19 +
1.20 + enum StatisticsType {
1.21 + ALL_STATS,
1.22 + NEW_STATS
1.23 + };
1.24 +
1.25 + static nsresult DumpStatistics(StatisticsType type = ALL_STATS,
1.26 + FILE* out = 0);
1.27 +
1.28 + static void ResetStatistics(void);
1.29 +
1.30 + static void DemangleSymbol(const char * aSymbol,
1.31 + char * aBuffer,
1.32 + int aBufLen);
1.33 +
1.34 + static void WalkTheStack(FILE* aStream);
1.35 + /**
1.36 + * Tell nsTraceRefcnt whether refcounting, allocation, and destruction
1.37 + * activity is legal. This is used to trigger assertions for any such
1.38 + * activity that occurs because of static constructors or destructors.
1.39 + */
1.40 + static void SetActivityIsLegal(bool aLegal);
1.41 +};
1.42 +
1.43 +#define NS_TRACE_REFCNT_CONTRACTID "@mozilla.org/xpcom/trace-refcnt;1"
1.44 +#define NS_TRACE_REFCNT_CID \
1.45 +{ /* e3e7511e-a395-4924-94b1-d527861cded4 */ \
1.46 + 0xe3e7511e, \
1.47 + 0xa395, \
1.48 + 0x4924, \
1.49 + {0x94, 0xb1, 0xd5, 0x27, 0x86, 0x1c, 0xde, 0xd4} \
1.50 +} \
1.51 +
1.52 +////////////////////////////////////////////////////////////////////////////////
1.53 +// And now for that utility that you've all been asking for...
1.54 +
1.55 +extern "C" void
1.56 +NS_MeanAndStdDev(double n, double sumOfValues, double sumOfSquaredValues,
1.57 + double *meanResult, double *stdDevResult);
1.58 +
1.59 +////////////////////////////////////////////////////////////////////////////////
1.60 +#endif
