Speed up startup time

Reverts 2a05fe784d.

src/node.js

@@ -153,9 +153,12 @@
   };
 
   startup.globalConsole = function() {
-    global.console = NativeModule.require('console');
+    global.__defineGetter__('console', function() {
+      return NativeModule.require('console');
+    });
   };
 
+
   startup._lazyConstants = null;
 
   startup.lazyConstants = function() {
@@ -205,32 +208,35 @@
   };
 
   startup.processStdio = function() {
+    var stdout, stdin;
+
+    process.__defineGetter__('stdout', function() {
+      if (stdout) return stdout;
+
       var binding = process.binding('stdio'),
           // FIXME Remove conditional when net is supported again on windows.
           net = (process.platform !== "win32")
                 ? NativeModule.require('net_legacy') // fixme!
                 : undefined,
           fs = NativeModule.require('fs'),
-        tty = NativeModule.require('tty');
+          tty = NativeModule.require('tty'),
-
+          fd = binding.stdoutFD;
-    // process.stdout
-
-    var fd = binding.stdoutFD;
 
       if (binding.isatty(fd)) {
-      process.stdout = new tty.WriteStream(fd);
+        stdout = new tty.WriteStream(fd);
       } else if (binding.isStdoutBlocking()) {
-      process.stdout = new fs.WriteStream(null, {fd: fd});
+        stdout = new fs.WriteStream(null, {fd: fd});
       } else {
-      process.stdout = new net.Stream(fd);
+        stdout = new net.Stream(fd);
         // FIXME Should probably have an option in net.Stream to create a
         // stream from an existing fd which is writable only. But for now
         // we'll just add this hack and set the `readable` member to false.
         // Test: ./node test/fixtures/echo.js < /etc/passwd
-      process.stdout.readable = false;
+        stdout.readable = false;
       }
 
-    // process.stderr
+      return stdout;
+    });
 
     var stderr = process.stderr = new EventEmitter();
     stderr.writable = true;
@@ -238,19 +244,27 @@
     stderr.write = process.binding('stdio').writeError;
     stderr.end = stderr.destroy = stderr.destroySoon = function() { };
 
-    // process.stdin
+    process.__defineGetter__('stdin', function() {
+      if (stdin) return stdin;
 
-    var fd = binding.openStdin();
+      var binding = process.binding('stdio'),
+          net = NativeModule.require('net'),
+          fs = NativeModule.require('fs'),
+          tty = NativeModule.require('tty'),
+          fd = binding.openStdin();
 
       if (binding.isatty(fd)) {
-      process.stdin = new tty.ReadStream(fd);
+        stdin = new tty.ReadStream(fd);
       } else if (binding.isStdinBlocking()) {
-      process.stdin = new fs.ReadStream(null, {fd: fd});
+        stdin = new fs.ReadStream(null, {fd: fd});
       } else {
-      process.stdin = new net.Stream(fd);
+        stdin = new net.Stream(fd);
-      process.stdin.readable = true;
+        stdin.readable = true;
       }
 
+      return stdin;
+    });
+
     process.openStdin = function() {
       process.stdin.resume();
       return process.stdin;