WebKit2/UIProcess/Launcher/win/ProcessLauncherWin.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/UIProcess/Launcher/win/ProcessLauncherWin.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2010 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 INC. 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 INC. 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; 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 "ProcessLauncher.h"
+
+#include "Connection.h"
+#include "RunLoop.h"
+#include "WebProcess.h"
+#include <WebCore/PlatformString.h>
+#include <runtime/InitializeThreading.h>
+#include <wtf/Threading.h>
+
+using namespace WebCore;
+
+namespace WebKit {
+
+void ProcessLauncher::launchProcess()
+{
+    // First, create the server and client identifiers.
+    HANDLE serverIdentifier, clientIdentifier;
+    if (!CoreIPC::Connection::createServerAndClientIdentifiers(serverIdentifier, clientIdentifier)) {
+        // FIXME: What should we do here?
+        ASSERT_NOT_REACHED();
+    }
+
+    // Ensure that the child process inherits the client identifier.
+    ::SetHandleInformation(clientIdentifier, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
+        
+    Vector<UChar> commandLineVector;
+
+    // FIXME: We would like to pass a full path to the .exe here.
+#ifndef DEBUG_ALL
+    String commandLine(L"WebKit2WebProcess.exe");
+#else
+    String commandLine(L"WebKit2WebProcess_debug.exe");
+#endif
+
+    append(commandLineVector, commandLine);
+    append(commandLineVector, " -mode webprocess");
+    append(commandLineVector, " -clientIdentifier ");
+    append(commandLineVector, String::number(reinterpret_cast<uintptr_t>(clientIdentifier)));
+    commandLineVector.append('\0');
+
+    STARTUPINFO startupInfo = { 0 };
+    startupInfo.cb = sizeof(startupInfo);
+    PROCESS_INFORMATION processInformation = { 0 };
+    BOOL result = ::CreateProcessW(0, commandLineVector.data(), 0, 0, true, 0, 0, 0, &startupInfo, &processInformation);
+
+    // We can now close the client identifier handle.
+    ::CloseHandle(clientIdentifier);
+
+    if (!result) {
+        // FIXME: What should we do here?
+        DWORD error = ::GetLastError();
+        ASSERT_NOT_REACHED();
+    }
+
+    // Don't leak the thread handle.
+    ::CloseHandle(processInformation.hThread);
+
+    // We've finished launching the process, message back to the run loop.
+    RunLoop::main()->scheduleWork(WorkItem::create(this, &ProcessLauncher::didFinishLaunchingProcess, processInformation.hProcess, serverIdentifier));
+}
+
+void ProcessLauncher::terminateProcess()
+{
+    if (!m_processIdentifier)
+        return;
+
+    ::TerminateProcess(m_processIdentifier, 0);
+}
+
+static void* webThreadBody(void* context)
+{
+    HANDLE clientIdentifier = reinterpret_cast<HANDLE>(context);
+
+    // Initialization
+    JSC::initializeThreading();
+    WTF::initializeMainThread();
+
+    WebProcess::shared().initialize(clientIdentifier, RunLoop::current());
+    RunLoop::run();
+
+    return 0;
+}
+
+CoreIPC::Connection::Identifier ProcessLauncher::createWebThread()
+{
+    // First, create the server and client identifiers.
+    HANDLE serverIdentifier, clientIdentifier;
+    if (!CoreIPC::Connection::createServerAndClientIdentifiers(serverIdentifier, clientIdentifier)) {
+        // FIXME: What should we do here?
+        ASSERT_NOT_REACHED();
+    }
+
+    if (!createThread(webThreadBody, reinterpret_cast<void*>(clientIdentifier), "WebKit2: WebThread")) {
+        ::CloseHandle(serverIdentifier);
+        ::CloseHandle(clientIdentifier);
+        return 0;
+    }
+
+    return serverIdentifier;
+}
+
+} // namespace WebKit