The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xpcom/reflect/xptinfo/src/xptiWorkingSet.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,54 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/* Implementation of xptiWorkingSet. */
    1.10 +
    1.11 +#include "mozilla/XPTInterfaceInfoManager.h"
    1.12 +
    1.13 +#include "xptiprivate.h"
    1.14 +#include "nsString.h"
    1.15 +
    1.16 +using namespace mozilla;
    1.17 +
    1.18 +#define XPTI_STRUCT_ARENA_BLOCK_SIZE    (1024 * 16)
    1.19 +#define XPTI_HASHTABLE_SIZE             2048
    1.20 +
    1.21 +XPTInterfaceInfoManager::xptiWorkingSet::xptiWorkingSet()
    1.22 +    : mTableReentrantMonitor("xptiWorkingSet::mTableReentrantMonitor")
    1.23 +    , mIIDTable(XPTI_HASHTABLE_SIZE)
    1.24 +    , mNameTable(XPTI_HASHTABLE_SIZE)
    1.25 +{
    1.26 +    MOZ_COUNT_CTOR(xptiWorkingSet);
    1.27 +
    1.28 +    gXPTIStructArena = XPT_NewArena(XPTI_STRUCT_ARENA_BLOCK_SIZE, sizeof(double),
    1.29 +                                    "xptiWorkingSet structs");
    1.30 +}        
    1.31 +
    1.32 +static PLDHashOperator
    1.33 +xpti_Invalidator(const char* keyname, xptiInterfaceEntry* entry, void* arg)
    1.34 +{
    1.35 +    entry->LockedInvalidateInterfaceInfo();
    1.36 +    return PL_DHASH_NEXT;
    1.37 +}
    1.38 +
    1.39 +void 
    1.40 +XPTInterfaceInfoManager::xptiWorkingSet::InvalidateInterfaceInfos()
    1.41 +{
    1.42 +    ReentrantMonitorAutoEnter monitor(mTableReentrantMonitor);
    1.43 +    mNameTable.EnumerateRead(xpti_Invalidator, nullptr);
    1.44 +}        
    1.45 +
    1.46 +XPTInterfaceInfoManager::xptiWorkingSet::~xptiWorkingSet()
    1.47 +{
    1.48 +    MOZ_COUNT_DTOR(xptiWorkingSet);
    1.49 +
    1.50 +    // Only destroy the arena if we're doing leak stats. Why waste shutdown
    1.51 +    // time touching pages if we don't have to?
    1.52 +#ifdef NS_FREE_PERMANENT_DATA
    1.53 +    XPT_DestroyArena(gXPTIStructArena);
    1.54 +#endif
    1.55 +}
    1.56 +
    1.57 +XPTArena* gXPTIStructArena;