michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* Implementation of xptiWorkingSet. */
michael@0: 
michael@0: #include "mozilla/XPTInterfaceInfoManager.h"
michael@0: 
michael@0: #include "xptiprivate.h"
michael@0: #include "nsString.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: #define XPTI_STRUCT_ARENA_BLOCK_SIZE    (1024 * 16)
michael@0: #define XPTI_HASHTABLE_SIZE             2048
michael@0: 
michael@0: XPTInterfaceInfoManager::xptiWorkingSet::xptiWorkingSet()
michael@0:     : mTableReentrantMonitor("xptiWorkingSet::mTableReentrantMonitor")
michael@0:     , mIIDTable(XPTI_HASHTABLE_SIZE)
michael@0:     , mNameTable(XPTI_HASHTABLE_SIZE)
michael@0: {
michael@0:     MOZ_COUNT_CTOR(xptiWorkingSet);
michael@0: 
michael@0:     gXPTIStructArena = XPT_NewArena(XPTI_STRUCT_ARENA_BLOCK_SIZE, sizeof(double),
michael@0:                                     "xptiWorkingSet structs");
michael@0: }        
michael@0: 
michael@0: static PLDHashOperator
michael@0: xpti_Invalidator(const char* keyname, xptiInterfaceEntry* entry, void* arg)
michael@0: {
michael@0:     entry->LockedInvalidateInterfaceInfo();
michael@0:     return PL_DHASH_NEXT;
michael@0: }
michael@0: 
michael@0: void 
michael@0: XPTInterfaceInfoManager::xptiWorkingSet::InvalidateInterfaceInfos()
michael@0: {
michael@0:     ReentrantMonitorAutoEnter monitor(mTableReentrantMonitor);
michael@0:     mNameTable.EnumerateRead(xpti_Invalidator, nullptr);
michael@0: }        
michael@0: 
michael@0: XPTInterfaceInfoManager::xptiWorkingSet::~xptiWorkingSet()
michael@0: {
michael@0:     MOZ_COUNT_DTOR(xptiWorkingSet);
michael@0: 
michael@0:     // Only destroy the arena if we're doing leak stats. Why waste shutdown
michael@0:     // time touching pages if we don't have to?
michael@0: #ifdef NS_FREE_PERMANENT_DATA
michael@0:     XPT_DestroyArena(gXPTIStructArena);
michael@0: #endif
michael@0: }
michael@0: 
michael@0: XPTArena* gXPTIStructArena;