1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * L. David Baron <dbaron@dbaron.org>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #ifndef nsTraceRefcntImpl_h___
39 : #define nsTraceRefcntImpl_h___
40 :
41 : #include <stdio.h> // for FILE
42 : #include "nsITraceRefcnt.h"
43 :
44 : class nsTraceRefcntImpl : public nsITraceRefcnt
45 : {
46 : public:
47 1464 : nsTraceRefcntImpl() {}
48 : NS_DECL_ISUPPORTS
49 : NS_DECL_NSITRACEREFCNT
50 :
51 : static void Startup();
52 : static void Shutdown();
53 :
54 : enum StatisticsType {
55 : ALL_STATS,
56 : NEW_STATS
57 : };
58 :
59 : static nsresult DumpStatistics(StatisticsType type = ALL_STATS,
60 : FILE* out = 0);
61 :
62 : static void ResetStatistics(void);
63 :
64 : static void DemangleSymbol(const char * aSymbol,
65 : char * aBuffer,
66 : int aBufLen);
67 :
68 : static void WalkTheStack(FILE* aStream);
69 : /**
70 : * Tell nsTraceRefcnt whether refcounting, allocation, and destruction
71 : * activity is legal. This is used to trigger assertions for any such
72 : * activity that occurs because of static constructors or destructors.
73 : */
74 : static void SetActivityIsLegal(bool aLegal);
75 :
76 : static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
77 : };
78 :
79 : #define NS_TRACE_REFCNT_CONTRACTID "@mozilla.org/xpcom/trace-refcnt;1"
80 : #define NS_TRACE_REFCNT_CLASSNAME "nsTraceRefcnt Interface"
81 : #define NS_TRACE_REFCNT_CID \
82 : { /* e3e7511e-a395-4924-94b1-d527861cded4 */ \
83 : 0xe3e7511e, \
84 : 0xa395, \
85 : 0x4924, \
86 : {0x94, 0xb1, 0xd5, 0x27, 0x86, 0x1c, 0xde, 0xd4} \
87 : } \
88 :
89 : ////////////////////////////////////////////////////////////////////////////////
90 : // And now for that utility that you've all been asking for...
91 :
92 : extern "C" void
93 : NS_MeanAndStdDev(double n, double sumOfValues, double sumOfSquaredValues,
94 : double *meanResult, double *stdDevResult);
95 :
96 : ////////////////////////////////////////////////////////////////////////////////
97 : #endif
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