1 /*
2 * Copyright (C) 2010 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 "ProcessLauncher.h"
28
29 #include "Connection.h"
30 #include "RunLoop.h"
31 #include <shlwapi.h>
32 #include <wtf/text/WTFString.h>
33
34 #ifdef DEBUG_ALL
35 const LPCWSTR webProcessName = L"WebKit2WebProcess_debug.exe";
36 #else
37 const LPCWSTR webProcessName = L"WebKit2WebProcess.exe";
38 #endif
39
40 #ifdef DEBUG_ALL
41 const LPCWSTR webKitDLLName = L"WebKit_debug.dll";
42 #else
43 const LPCWSTR webKitDLLName = L"WebKit.dll";
44 #endif
45
46 namespace WebKit {
47
launchProcess()48 void ProcessLauncher::launchProcess()
49 {
50 // First, create the server and client identifiers.
51 HANDLE serverIdentifier, clientIdentifier;
52 if (!CoreIPC::Connection::createServerAndClientIdentifiers(serverIdentifier, clientIdentifier)) {
53 // FIXME: What should we do here?
54 ASSERT_NOT_REACHED();
55 }
56
57 // Ensure that the child process inherits the client identifier.
58 ::SetHandleInformation(clientIdentifier, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
59
60 // To get the full file path to WebKit2WebProcess.exe, we fild the location of WebKit.dll,
61 // remove the last path component, and then append WebKit2WebProcess(_debug).exe.
62 HMODULE webKitModule = ::GetModuleHandleW(webKitDLLName);
63 ASSERT(webKitModule);
64 if (!webKitModule)
65 return;
66
67 WCHAR pathStr[MAX_PATH];
68 if (!::GetModuleFileNameW(webKitModule, pathStr, WTF_ARRAY_LENGTH(pathStr)))
69 return;
70
71 ::PathRemoveFileSpecW(pathStr);
72 if (!::PathAppendW(pathStr, webProcessName))
73 return;
74
75 String commandLine(pathStr);
76
77 // FIXME: It would be nice if we could just create a CommandLine object and output a command line vector from it.
78 Vector<UChar> commandLineVector;
79 append(commandLineVector, "\"");
80 append(commandLineVector, commandLine);
81 append(commandLineVector, "\"");
82 append(commandLineVector, " -type webprocess");
83 append(commandLineVector, " -clientIdentifier ");
84 append(commandLineVector, String::number(reinterpret_cast<uintptr_t>(clientIdentifier)));
85 commandLineVector.append('\0');
86
87 STARTUPINFO startupInfo = { 0 };
88 startupInfo.cb = sizeof(startupInfo);
89 PROCESS_INFORMATION processInformation = { 0 };
90 BOOL result = ::CreateProcessW(0, commandLineVector.data(), 0, 0, true, 0, 0, 0, &startupInfo, &processInformation);
91
92 // We can now close the client identifier handle.
93 ::CloseHandle(clientIdentifier);
94
95 if (!result) {
96 // FIXME: What should we do here?
97 DWORD error = ::GetLastError();
98 ASSERT_NOT_REACHED();
99 }
100
101 // Don't leak the thread handle.
102 ::CloseHandle(processInformation.hThread);
103
104 // We've finished launching the process, message back to the run loop.
105 RunLoop::main()->scheduleWork(WorkItem::create(this, &ProcessLauncher::didFinishLaunchingProcess, processInformation.hProcess, serverIdentifier));
106 }
107
terminateProcess()108 void ProcessLauncher::terminateProcess()
109 {
110 if (!m_processIdentifier)
111 return;
112
113 ::TerminateProcess(m_processIdentifier, 0);
114 }
115
platformInvalidate()116 void ProcessLauncher::platformInvalidate()
117 {
118 if (!m_processIdentifier)
119 return;
120
121 ::CloseHandle(m_processIdentifier);
122 m_processIdentifier = 0;
123 }
124
125 } // namespace WebKit
126