зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.6 KiB
C++
55 строки
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Implementation of xptiWorkingSet. */
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#include "mozilla/XPTInterfaceInfoManager.h"
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#include "xptiprivate.h"
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#include "nsString.h"
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using namespace mozilla;
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#define XPTI_STRUCT_ARENA_BLOCK_SIZE (1024 * 16)
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#define XPTI_HASHTABLE_LENGTH 1024
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XPTInterfaceInfoManager::xptiWorkingSet::xptiWorkingSet()
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: mTableReentrantMonitor("xptiWorkingSet::mTableReentrantMonitor")
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, mIIDTable(XPTI_HASHTABLE_LENGTH)
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, mNameTable(XPTI_HASHTABLE_LENGTH)
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{
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MOZ_COUNT_CTOR(xptiWorkingSet);
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gXPTIStructArena = XPT_NewArena(XPTI_STRUCT_ARENA_BLOCK_SIZE, sizeof(double),
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"xptiWorkingSet structs");
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}
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static PLDHashOperator
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xpti_Invalidator(const char* keyname, xptiInterfaceEntry* entry, void* arg)
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{
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entry->LockedInvalidateInterfaceInfo();
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return PL_DHASH_NEXT;
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}
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void
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XPTInterfaceInfoManager::xptiWorkingSet::InvalidateInterfaceInfos()
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{
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ReentrantMonitorAutoEnter monitor(mTableReentrantMonitor);
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mNameTable.EnumerateRead(xpti_Invalidator, nullptr);
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}
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XPTInterfaceInfoManager::xptiWorkingSet::~xptiWorkingSet()
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{
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MOZ_COUNT_DTOR(xptiWorkingSet);
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// Only destroy the arena if we're doing leak stats. Why waste shutdown
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// time touching pages if we don't have to?
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#ifdef NS_FREE_PERMANENT_DATA
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XPT_DestroyArena(gXPTIStructArena);
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#endif
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}
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XPTArena* gXPTIStructArena;
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