Source/modules/indexeddb/IDBPendingTransactionMonitor.cpp

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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#include "config.h"
#include "modules/indexeddb/IDBPendingTransactionMonitor.h"
#include "modules/indexeddb/IDBTransaction.h"
#include "wtf/ThreadSpecific.h"
#include "wtf/Threading.h"

using WTF::ThreadSpecific;

namespace WebCore {

typedef Vector<RefPtr<IDBTransaction> > TransactionList;
static ThreadSpecific<TransactionList>& transactions()
{
    // FIXME: Move the Vector to ExecutionContext to avoid dealing with
    // thread-local storage.
    AtomicallyInitializedStatic(ThreadSpecific<TransactionList>*, transactions = new ThreadSpecific<TransactionList>);
    return *transactions;
}

void IDBPendingTransactionMonitor::addNewTransaction(PassRefPtr<IDBTransaction> transaction)
{
    transactions()->append(transaction);
}

void IDBPendingTransactionMonitor::deactivateNewTransactions()
{
    ThreadSpecific<TransactionList>& list = transactions();
    for (size_t i = 0; i < list->size(); ++i) {
        RefPtr<IDBTransaction> transaction = list->at(i);
        transaction->setActive(false);
    }
    // FIXME: Exercise this call to clear() in a layout test.
    list->clear();
}

};