1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebInspectorInterruptDispatcher.h"
28
29#include "WebInspectorInterruptDispatcherMessages.h"
30#include <JavaScriptCore/VM.h>
31#include <WebCore/CommonVM.h>
32#include <wtf/WorkQueue.h>
33
34namespace WebKit {
35
36Ref<WebInspectorInterruptDispatcher> WebInspectorInterruptDispatcher::create()
37{
38 return adoptRef(*new WebInspectorInterruptDispatcher);
39}
40
41WebInspectorInterruptDispatcher::WebInspectorInterruptDispatcher()
42 : m_queue(WorkQueue::create("com.apple.WebKit.WebInspectorInterruptDispatcher"))
43{
44}
45
46WebInspectorInterruptDispatcher::~WebInspectorInterruptDispatcher()
47{
48}
49
50void WebInspectorInterruptDispatcher::initializeConnection(IPC::Connection* connection)
51{
52 connection->addWorkQueueMessageReceiver(Messages::WebInspectorInterruptDispatcher::messageReceiverName(), m_queue.get(), this);
53}
54
55void WebInspectorInterruptDispatcher::notifyNeedDebuggerBreak()
56{
57 // If the web process has not been fully initialized yet, then there
58 // is no VM to be notified and thus no infinite loop to break. Bail out.
59 if (!WebCore::commonVMOrNull())
60 return;
61
62 JSC::VM& vm = WebCore::commonVM();
63 vm.notifyNeedDebuggerBreak();
64}
65
66} // namespace WebKit
67