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 35const LPCWSTR webProcessName = L"WebKit2WebProcess_debug.exe"; 36#else 37const LPCWSTR webProcessName = L"WebKit2WebProcess.exe"; 38#endif 39 40#ifdef DEBUG_ALL 41const LPCWSTR webKitDLLName = L"WebKit_debug.dll"; 42#else 43const LPCWSTR webKitDLLName = L"WebKit.dll"; 44#endif 45 46namespace WebKit { 47 48void 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 108void ProcessLauncher::terminateProcess() 109{ 110 if (!m_processIdentifier) 111 return; 112 113 ::TerminateProcess(m_processIdentifier, 0); 114} 115 116void ProcessLauncher::platformInvalidate() 117{ 118 if (!m_processIdentifier) 119 return; 120 121 ::CloseHandle(m_processIdentifier); 122 m_processIdentifier = 0; 123} 124 125} // namespace WebKit 126