PPAPI/NaCl: Speculative implementation for ipc_channel_nacl.cc

base/message_loop.cc

 // Copyright (c) 2012 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 "base/message_loop.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 130 matching lines @@
   message_loop_proxy_ = new base::MessageLoopProxyImpl();
 
 // TODO(rvargas): Get rid of the OS guards.
 #if defined(OS_WIN)
 #define MESSAGE_PUMP_UI new base::MessagePumpForUI()
 #define MESSAGE_PUMP_IO new base::MessagePumpForIO()
 #elif defined(OS_MACOSX)
 #define MESSAGE_PUMP_UI base::MessagePumpMac::Create()
 #define MESSAGE_PUMP_IO new base::MessagePumpLibevent()
 #elif defined(OS_NACL)
-// Currently NaCl doesn't have a UI or an IO MessageLoop.
-// TODO(abarth): Figure out if we need these.
+// Currently NaCl doesn't have a UI MessageLoop.
+// TODO(abarth): Figure out if we need this.
 #define MESSAGE_PUMP_UI NULL
-#define MESSAGE_PUMP_IO NULL
+// ipc_channel_nacl.cc uses a worker thread to do socket reads currently, and
+// doesn't require extra support for watching file descriptors.
+#define MESSAGE_PUMP_IO new base::MessagePumpDefault();
 #elif defined(OS_POSIX)  // POSIX but not MACOSX.
 #define MESSAGE_PUMP_UI new base::MessagePumpForUI()
 #define MESSAGE_PUMP_IO new base::MessagePumpLibevent()
 #else
 #error Not implemented
 #endif
 
   if (type_ == TYPE_UI) {
     if (message_pump_for_ui_factory_)
       pump_ = message_pump_for_ui_factory_();
@@ skipping 629 matching lines @@
                                            Watcher *delegate) {
   return pump_libevent()->WatchFileDescriptor(
       fd,
       persistent,
       static_cast<base::MessagePumpLibevent::Mode>(mode),
       controller,
       delegate);
 }
 
 #endif