LCOV - code coverage report
Current view: directory - xpcom/reflect/xptinfo/src - xptiWorkingSet.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 24 21 87.5 %
Date: 2012-06-02 Functions: 16 10 62.5 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       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
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Mike McCabe <mccabe@netscape.com>
      24                 :  *   John Bandhauer <jband@netscape.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : /* Implementation of xptiWorkingSet. */
      41                 : 
      42                 : #include "xptiprivate.h"
      43                 : #include "nsString.h"
      44                 : #include "nsIMemoryReporter.h"
      45                 : 
      46                 : using namespace mozilla;
      47                 : 
      48               0 : NS_MEMORY_REPORTER_MALLOC_SIZEOF_FUN(XPTMallocSizeOf, "xpti-working-set")
      49                 : 
      50               0 : static PRInt64 GetXPTArenaSize()
      51                 : {
      52               0 :   return XPT_SizeOfArena(gXPTIStructArena, XPTMallocSizeOf);
      53                 : }
      54                 : 
      55            1428 : NS_MEMORY_REPORTER_IMPLEMENT(xptiWorkingSet,
      56                 :                              "explicit/xpti-working-set",
      57                 :                              KIND_HEAP,
      58                 :                              UNITS_BYTES,
      59                 :                              GetXPTArenaSize,
      60            4323 :                              "Memory used by the XPCOM typelib system.")
      61                 : 
      62                 : #define XPTI_STRUCT_ARENA_BLOCK_SIZE    (1024 * 1)
      63                 : #define XPTI_HASHTABLE_SIZE             2048
      64                 : 
      65            1419 : xptiWorkingSet::xptiWorkingSet()
      66            1419 :     : mTableReentrantMonitor("xptiWorkingSet::mTableReentrantMonitor")
      67                 : {
      68            1419 :     MOZ_COUNT_CTOR(xptiWorkingSet);
      69                 : 
      70            1419 :     mIIDTable.Init(XPTI_HASHTABLE_SIZE);
      71            1419 :     mNameTable.Init(XPTI_HASHTABLE_SIZE);
      72                 : 
      73                 :     gXPTIStructArena = XPT_NewArena(XPTI_STRUCT_ARENA_BLOCK_SIZE, sizeof(double),
      74            1419 :                                     "xptiWorkingSet structs");
      75                 : 
      76            1419 :     NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(xptiWorkingSet));
      77            1419 : }        
      78                 : 
      79                 : static PLDHashOperator
      80         2144498 : xpti_Invalidator(const char* keyname, xptiInterfaceEntry* entry, void* arg)
      81                 : {
      82         2144498 :     entry->LockedInvalidateInterfaceInfo();
      83         2144498 :     return PL_DHASH_NEXT;
      84                 : }
      85                 : 
      86                 : void 
      87            1409 : xptiWorkingSet::InvalidateInterfaceInfos()
      88                 : {
      89            2818 :     ReentrantMonitorAutoEnter monitor(mTableReentrantMonitor);
      90            1409 :     mNameTable.EnumerateRead(xpti_Invalidator, NULL);
      91            1409 : }        
      92                 : 
      93            2818 : xptiWorkingSet::~xptiWorkingSet()
      94                 : {
      95            1409 :     MOZ_COUNT_DTOR(xptiWorkingSet);
      96                 : 
      97                 :     // Only destroy the arena if we're doing leak stats. Why waste shutdown
      98                 :     // time touching pages if we don't have to?
      99                 : #ifdef NS_FREE_PERMANENT_DATA
     100            1409 :     XPT_DestroyArena(gXPTIStructArena);
     101                 : #endif
     102            1409 : }
     103                 : 
     104                 : XPTArena* gXPTIStructArena;

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