WebKit2/UIProcess/Launcher/mac/ProcessLauncherMac.mm
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/UIProcess/Launcher/mac/ProcessLauncherMac.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,117 @@
+/*
+ * 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 "RunLoop.h"
+#include "WebProcess.h"
+#include "WebSystemInterface.h"
+
+#include <crt_externs.h>
+#include <runtime/InitializeThreading.h>
+#include <servers/bootstrap.h>
+#include <spawn.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/Threading.h>
+
+// FIXME: We should be doing this another way.
+extern "C" kern_return_t bootstrap_register2(mach_port_t, name_t, mach_port_t, uint64_t);
+
+namespace WebKit {
+
+void ProcessLauncher::launchProcess()
+{
+    // Create the listening port.
+    mach_port_t listeningPort;
+    mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &listeningPort);
+    
+    // Insert a send right so we can send to it.
+    mach_port_insert_right(mach_task_self(), listeningPort, listeningPort, MACH_MSG_TYPE_MAKE_SEND);
+    
+    NSString *webProcessAppPath = [[NSBundle bundleWithIdentifier:@"com.apple.WebKit2"] pathForAuxiliaryExecutable:@"WebProcess.app"];
+    NSString *webProcessAppExecutablePath = [[NSBundle bundleWithPath:webProcessAppPath] executablePath];
+
+    const char* path = [webProcessAppExecutablePath fileSystemRepresentation];
+    const char* args[] = { path, "-mode", "legacywebprocess", 0 };
+
+    // Register ourselves.
+    kern_return_t kr = bootstrap_register2(bootstrap_port, (char*)"com.apple.WebKit.WebProcess", listeningPort, /* BOOTSTRAP_PER_PID_SERVICE */ 1);
+    if (kr)
+        NSLog(@"bootstrap_register2 result: %x", kr);
+    
+    pid_t processIdentifier;
+    int result = posix_spawn(&processIdentifier, path, 0, 0, (char *const*)args, *_NSGetEnviron());
+    if (result)
+        NSLog(@"posix_spawn result: %d", result);
+
+    // We've finished launching the process, message back to the main run loop.
+    RunLoop::main()->scheduleWork(WorkItem::create(this, &ProcessLauncher::didFinishLaunchingProcess, processIdentifier, listeningPort));
+}
+
+void ProcessLauncher::terminateProcess()
+{    
+    if (!m_processIdentifier)
+        return;
+    
+    kill(m_processIdentifier, SIGKILL);
+}
+
+static void* webThreadBody(void* context)
+{
+    mach_port_t serverPort = static_cast<mach_port_t>(reinterpret_cast<uintptr_t>(context));
+    
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+    InitWebCoreSystemInterface();
+    JSC::initializeThreading();
+    WTF::initializeMainThread();
+
+    WebProcess::shared().initialize(serverPort, RunLoop::current());
+
+    [pool drain];
+
+    RunLoop::current()->run();
+
+    return 0;
+}
+
+CoreIPC::Connection::Identifier ProcessLauncher::createWebThread()
+{
+    // Create the service port.
+     mach_port_t listeningPort;
+     mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &listeningPort);
+     
+     // Insert a send right so we can send to it.
+     mach_port_insert_right(mach_task_self(), listeningPort, listeningPort, MACH_MSG_TYPE_MAKE_SEND);
+
+    if (!createThread(webThreadBody, reinterpret_cast<void*>(listeningPort), "WebKit2: WebThread")) {
+        mach_port_destroy(mach_task_self(), listeningPort);
+        return MACH_PORT_NULL;
+    }
+
+    return listeningPort;
+}
+    
+} // namespace WebKit