/*

 * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#include "config.h"

#include "JavaScriptStatistics.h"

#include <JavaScriptCore/HashCountedSet.h>

#include <JavaScriptCore/JSLock.h>

#include <JavaScriptCore/collector.h>

#include <JavaScriptCore/interpreter.h>

#include <pthread.h>

namespace WebCore {

using KJS::Collector;

using KJS::Interpreter;

using KJS::JSLock;

static void* collect(void*)

{

    JSLock lock;

    Collector::collect();

    return 0;

}

size_t JavaScriptStatistics::objectCount()

{

    JSLock lock;

    return Collector::size();

}

size_t JavaScriptStatistics::interpreterCount()

{

    JSLock lock;

    return Collector::numInterpreters();

}

size_t JavaScriptStatistics::protectedObjectCount()

{

    JSLock lock;

    return Collector::numProtectedObjects();

}

HashCountedSet<const char*>* JavaScriptStatistics::rootObjectTypeCounts()

{

    JSLock lock;

    return Collector::rootObjectTypeCounts();

}

void JavaScriptStatistics::garbageCollect()

{

    collect(0);

}

void JavaScriptStatistics::garbageCollectOnAlternateThread(bool waitUntilDone)

{

    pthread_t thread;

    pthread_create(&thread, NULL, collect, NULL);

    if (waitUntilDone) {

        JSLock::DropAllLocks dropLocks; // Otherwise our lock would deadlock the collect thread we're joining

        pthread_join(thread, NULL);

    }

}

bool JavaScriptStatistics::shouldPrintExceptions()

{

    JSLock lock;

    return Interpreter::shouldPrintExceptions();

}

void JavaScriptStatistics::setShouldPrintExceptions(bool print)

{

    JSLock lock;

    Interpreter::setShouldPrintExceptions(print);

}

} // namespace WebCore