xpcom/base/nsExceptionService.h

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   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
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   6  * 1.1 (the "License"); you may not use this file except in compliance with
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  15  * The Original Code is mozilla.org code.
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  17  * The Initial Developer of the Original Code is
  18  * ActiveState Tool Corp..
  19  * Portions created by the Initial Developer are Copyright (C) 2001
  20  * the Initial Developer. All Rights Reserved.
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  22  * Contributor(s):
  23  *   Mark Hammond <MarkH@ActiveState.com>
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  25  * Alternatively, the contents of this file may be used under the terms of
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  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef nsExceptionService_h__
  40 #define nsExceptionService_h__
  41
  42 #include "nsIException.h"
  43 #include "nsIExceptionService.h"
  44 #include "nsIObserverService.h"
  45 #include "nsHashtable.h"
  46 #include "nsIObserver.h"
  47
  48 class nsExceptionManager;
  49
  50 /** Exception Service definition **/
  51 class nsExceptionService : public nsIExceptionService, public nsIObserver
  52 {
  53 public:
  54   NS_DECL_ISUPPORTS
  55   NS_DECL_NSIEXCEPTIONSERVICE
  56   NS_DECL_NSIEXCEPTIONMANAGER
  57   NS_DECL_NSIOBSERVER
  58
  59   nsExceptionService();
  60
  61   /* additional members */
  62   nsresult DoGetExceptionFromProvider(nsresult errCode,
  63                                       nsIException *defaultException,
  64                                       nsIException **_richError);
  65   void Shutdown();
  66
  67
  68   /* thread management and cleanup */
  69   static void AddThread(nsExceptionManager *);
  70   static void DropThread(nsExceptionManager *);
  71   static void DoDropThread(nsExceptionManager *thread);
  72
  73   static void DropAllThreads();
  74   static nsExceptionManager *firstThread;
  75
  76   nsSupportsHashtable mProviders;
  77
  78   /* single lock protects both providers hashtable
  79      and thread list */
  80   static PRLock* lock;
  81
  82   static PRUintn tlsIndex;
  83   static void ThreadDestruct( void *data );
  84 #ifdef NS_DEBUG
  85   static PRInt32 totalInstances;
  86 #endif
  87
  88 private:
  89   ~nsExceptionService();
  90 };
  91
  92
  93 #endif // nsExceptionService_h__