Mac: Proof of concept of IPCing renderer mach_port_ts.

chrome/renderer/renderer_main.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/command_line.h"
 #include "base/field_trial.h"
 #include "base/histogram.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/platform_thread.h"
 #include "base/process_util.h"
 #include "base/scoped_nsautorelease_pool.h"
 #include "base/stats_counters.h"
 #include "base/string_util.h"
 #include "base/system_monitor.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_counters.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/common/net/net_resource_provider.h"
 #include "chrome/renderer/renderer_main_platform_delegate.h"
 #include "chrome/renderer/render_process.h"
 #include "chrome/renderer/render_thread.h"
 #include "grit/generated_resources.h"
 #include "net/base/net_module.h"
 
+
+#include "chrome/common/mach_ipc_mac.h"
+
 #if defined(USE_LINUX_BREAKPAD)
 #include "chrome/app/breakpad_linux.h"
 #endif
 
 // This function provides some ways to test crash and assertion handling
 // behavior of the renderer.
 static void HandleRendererErrorTestParameters(const CommandLine& command_line) {
   // This parameter causes an assertion.
   if (command_line.HasSwitch(switches::kRendererAssertTest)) {
     DCHECK(false);
   }
 
   // This parameter causes a null pointer crash (crash reporter trigger).
   if (command_line.HasSwitch(switches::kRendererCrashTest)) {
     int* bad_pointer = NULL;
     *bad_pointer = 0;
   }
 
   if (command_line.HasSwitch(switches::kRendererStartupDialog)) {
     ChildProcess::WaitForDebugger(L"Renderer");
   }
 }
 
 // mainline routine for running as the Renderer process
 int RendererMain(const MainFunctionParams& parameters) {
   const CommandLine& parsed_command_line = parameters.command_line_;
   base::ScopedNSAutoreleasePool* pool = parameters.autorelease_pool_;
 
+  mach_port_t host_port = mach_host_self();
+  fprintf(stderr, "host port: %lu\n", (unsigned long)host_port);
+
+  // send to already named port
+  MachPortSender sender("com.Google.MyService");
+  MachSendMessage message(57);      // our message ID is 57
+
+  // add some ports to be translated for us
+  message.AddDescriptor(mach_task_self());     // our task
+  message.AddDescriptor(mach_thread_self());   // this thread
+  message.AddDescriptor(host_port);   // uhh...not sure. but certainly important.
+
+  char messageString[] = "Hello server!\n";
+  message.SetData(messageString, strlen(messageString)+1);
+  // timeout 1000ms
+  kern_return_t result = sender.SendMessage(message, 1000);
+  fprintf(stderr, "send result: %lu\n", (unsigned long)result);
+  if (result != KERN_SUCCESS)
+    fprintf(stderr, "(Failed :-( )\n");
+
+
 #if defined(USE_LINUX_BREAKPAD)
   // Needs to be called after we have chrome::DIR_USER_DATA.
   InitCrashReporter();
 #endif
 
   // Configure the network module so it has access to resources.
   net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
 
   // This function allows pausing execution using the --renderer-startup-dialog
   // flag allowing us to attach a debugger.
@@ skipping 67 matching lines @@
 
     if (run_loop) {
       if (pool)
         pool->Recycle();
       MessageLoop::current()->Run();
     }
   }
   platform.PlatformUninitialize();
   return 0;
 }