LCOV - code coverage report
Current view: directory - content/base/src - nsCCUncollectableMarker.h (source / functions) Found Hit Coverage
Test: app.info Lines: 5 5 100.0 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       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.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2007
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Jonas Sicking <jonas@sicking.cc> (Original Author)
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "nsIObserver.h"
      39                 : #include "nsCycleCollectionParticipant.h"
      40                 : 
      41                 : class nsCCUncollectableMarker : public nsIObserver
      42                 : {
      43                 :   NS_DECL_ISUPPORTS
      44                 :   NS_DECL_NSIOBSERVER
      45                 : 
      46                 :   /**
      47                 :    * Inits a global nsCCUncollectableMarker. Should only be called once.
      48                 :    */
      49                 :   static nsresult Init();
      50                 : 
      51                 :   /**
      52                 :    * Checks if we're collecting during a given generation
      53                 :    */
      54          547052 :   static bool InGeneration(PRUint32 aGeneration)
      55                 :   {
      56          547052 :     return aGeneration && aGeneration == sGeneration;
      57                 :   }
      58                 : 
      59          137185 :   static bool InGeneration(nsCycleCollectionTraversalCallback &cb,
      60                 :                            PRUint32 aGeneration)
      61                 :   {
      62          137185 :     return InGeneration(aGeneration) && !cb.WantAllTraces();
      63                 :   }
      64                 : 
      65                 :   static PRUint32 sGeneration;
      66                 : 
      67                 : private:
      68            1404 :   nsCCUncollectableMarker() {}
      69                 : 
      70                 : };

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