On Linux, move the passing of filedescriptors to a dedicated socketpair().

chrome/tools/test/reference_build/chrome_linux/resources/inspector/DebuggerIPC.js

-// 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.
-
-/**
- * @fileoverview Implementation of debugger inter-process communication.
- * Debugger UI can send messages to the DebuggerHost object living in 
- * Chrome browser process. The messages are either processed by DebuggerHost
- * itself or trigger IPC message(such as break, evaluate script etc) from 
- * browser process to the renderer where the v8 instance being debugged
- * will process them.
- */
- 
-var DebuggerIPC = {};
-
-/**
- * Set up default debugger UI.
- * @param {DebuggerPanel|DebuggerConsole} debuggerUI
- */
-DebuggerIPC.init = function(debuggerUI) {
-  DebuggerIPC.debuggerUI = debuggerUI;
-}
-
-/**
- * Sends JSON message to DebuggerHost.
- * @param {Array.<Object>} nameAndArguments
- */
-DebuggerIPC.sendMessage = function(nameAndArguments) {
-  //alert("DebuggerIPC.sendMessage " + nameAndArguments);
-  dprint("DebuggerIPC.callMethod([" + nameAndArguments + "])");
-  // convert all arguments to strings
-  // TODO(yurys): extend chrome.send to accept array of any value
-  // objects not only strings
-  for (var i = 0; i < nameAndArguments.length; i++) {
-    if (typeof nameAndArguments[i] != "string") {
-      nameAndArguments[i] = "" + nameAndArguments[i];
-    }
-  }
-
-  chrome.send("DebuggerHostMessage", nameAndArguments);
-};
-
-/**
- * Handles messages from DebuggerHost.
- * @param {Object} msg An object representing the message.
- */
-DebuggerIPC.onMessageReceived = function(msg) {
-  //alert("DebuggerIPC.onMessageReceived " + msg.event);
-  var ui = DebuggerIPC.debuggerUI;
-  dprint("onMessageReceived: " + (msg && msg.event));
-  if (msg.type == "event") {
-    if (msg.event == "setDebuggerBreak") {
-      var val = msg.body.argument;
-      ui.setDebuggerBreak(val);
-    } else if (msg.event == "appendText") {
-      var text = msg.body.text;
-      ui.appendText(text);
-    } else if (msg.event == "focusOnCommandLine") {
-      dprint("focusOnCommandLine event received");
-      // messages to DebugShell
-    } else if (msg.event == "initDebugShell") {
-      // DebugShell.initDebugShell();
-      dprint(msg.event + " done");
-    } else if (msg.event == "on_attach") {
-      if (DebugShell.singleton) {
-        var args = msg.body.arguments;
-        if (!args || args.length != 1) {
-          dprint(msg.event + " failed: invalid arguments");
-          return;
-        }
-        var title = args[0];
-        DebugShell.singleton.on_attach(title);
-        dprint(msg.event + " done");
-      } else {
-        dprint(msg.event + " failed: DebugShell.singleton == null");
-      }
-    } else if (msg.event == "on_disconnect") {
-      if (DebugShell.singleton) {
-        DebugShell.singleton.on_disconnect();
-        dprint(msg.event + " done");
-      } else {
-        dprint(msg.event + " failed: DebugShell.singleton == null");
-      }
-    } else if (msg.event == "exit") {
-      if (DebugShell.singleton) {
-        DebugShell.singleton.exit();
-        dprint(msg.event + " done");
-      } else {
-        dprint(msg.event + " failed: DebugShell.singleton == null");
-      }
-    } else if (msg.event == "response") {
-      if (DebugShell.singleton) {
-        var args = msg.body.arguments;
-        if (!args || args.length != 1) {
-          dprint(msg.event + " failed: invalid argument");
-          return;
-        }
-        DebugShell.singleton.response(args[0]);
-        dprint(msg.event + " done");
-      } else {
-        ui.appendText(msg.event + " failed: DebugShell.singleton == null");
-      }
-    } else {
-      ui.appendText("Unknown event: " + msg.event);
-    }
-  } else {
-    ui.appendText("Unknown message type: " + msg.type);
-  }
-};