The Tor Browser: xpcom/reflect/xptinfo/src/xptiWorkingSet.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /* Implementation of xptiWorkingSet. */

     8 #include "mozilla/XPTInterfaceInfoManager.h"

    10 #include "xptiprivate.h"

    11 #include "nsString.h"

    13 using namespace mozilla;

    15 #define XPTI_STRUCT_ARENA_BLOCK_SIZE    (1024 * 16)

    16 #define XPTI_HASHTABLE_SIZE             2048

    18 XPTInterfaceInfoManager::xptiWorkingSet::xptiWorkingSet()

    19     : mTableReentrantMonitor("xptiWorkingSet::mTableReentrantMonitor")

    20     , mIIDTable(XPTI_HASHTABLE_SIZE)

    21     , mNameTable(XPTI_HASHTABLE_SIZE)

    22 {

    23     MOZ_COUNT_CTOR(xptiWorkingSet);

    25     gXPTIStructArena = XPT_NewArena(XPTI_STRUCT_ARENA_BLOCK_SIZE, sizeof(double),

    26                                     "xptiWorkingSet structs");

    27 }

    29 static PLDHashOperator

    30 xpti_Invalidator(const char* keyname, xptiInterfaceEntry* entry, void* arg)

    31 {

    32     entry->LockedInvalidateInterfaceInfo();

    33     return PL_DHASH_NEXT;

    34 }

    36 void

    37 XPTInterfaceInfoManager::xptiWorkingSet::InvalidateInterfaceInfos()

    38 {

    39     ReentrantMonitorAutoEnter monitor(mTableReentrantMonitor);

    40     mNameTable.EnumerateRead(xpti_Invalidator, nullptr);

    41 }

    43 XPTInterfaceInfoManager::xptiWorkingSet::~xptiWorkingSet()

    44 {

    45     MOZ_COUNT_DTOR(xptiWorkingSet);

    47     // Only destroy the arena if we're doing leak stats. Why waste shutdown

    48     // time touching pages if we don't have to?

    49 #ifdef NS_FREE_PERMANENT_DATA

    50     XPT_DestroyArena(gXPTIStructArena);

    51 #endif

    52 }

    54 XPTArena* gXPTIStructArena;

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