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 "nsVoidArray.h"
  43 #include "nsIException.h"
  44 #include "nsIExceptionService.h"
  45 #include "nsIObserverService.h"
  46 #include "nsHashtable.h"
  47 #include "nsIObserver.h"
  48
  49 class nsExceptionManager;
  50
  51 /** Exception Service definition **/
  52 class nsExceptionService : public nsIExceptionService, public nsIObserver
  53 {
  54 public:
  55   NS_DECL_ISUPPORTS
  56   NS_DECL_NSIEXCEPTIONSERVICE
  57   NS_DECL_NSIEXCEPTIONMANAGER
  58   NS_DECL_NSIOBSERVER
  59
  60   nsExceptionService();
  61
  62   /* additional members */
  63   nsresult DoGetExceptionFromProvider(nsresult errCode,
  64                                       nsIException *defaultException,
  65                                       nsIException **_richError);
  66   void Shutdown();
  67
  68
  69   /* thread management and cleanup */
  70   static void AddThread(nsExceptionManager *);
  71   static void DropThread(nsExceptionManager *);
  72   static void DoDropThread(nsExceptionManager *thread);
  73
  74   static void DropAllThreads();
  75   static nsExceptionManager *firstThread;
  76
  77   nsSupportsHashtable mProviders;
  78
  79   /* single lock protects both providers hashtable
  80      and thread list */
  81   static PRLock* lock;
  82
  83   static PRUintn tlsIndex;
  84   static void PR_CALLBACK ThreadDestruct( void *data );
  85 #ifdef NS_DEBUG
  86   static PRInt32 totalInstances;
  87 #endif
  88
  89 private:
  90   ~nsExceptionService();
  91 };
  92
  93
  94 #endif // nsExceptionService_h__