[NaCl SDK] Support non blocking TCP/UDP

native_client_sdk/src/libraries/nacl_io/mount_node_tty.cc

 // Copyright (c) 2013 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 "nacl_io/mount_node_tty.h"
 
 #include <assert.h>
 #include <errno.h>
 #include <signal.h>
 #include <stdio.h>
@@ skipping 206 matching lines @@
     }
 
     if (!skip)
       input_buffer_.push_back(c);
 
     if (c == '\n' || c == termios_.c_cc[VEOF] || !IS_ICANON)
       is_readable_ = true;
   }
 
   if (is_readable_) {
-    RaiseEvent(POLLIN);
+//    RaiseEvent(POLLIN);

[binji, 2013/09/12 01:47:57]

Why removed? If necessary to remove, add TODO? Also use #if 0 for commenting
code.

[noelallen1, 2013/09/12 23:19:03]

Part of TTY CL.

     pthread_cond_broadcast(&is_readable_cond_);
   }
 
   return 0;
 }
 
 Error MountNodeTty::Ioctl(int request, char* arg) {
   switch (request) {
     case TIOCNACLOUTPUT: {
       AUTO_LOCK(output_lock_);
@@ skipping 48 matching lines @@
 }
 
 Error MountNodeTty::Tcsetattr(int optional_actions,
                          const struct termios *termios_p) {
   AUTO_LOCK(node_lock_);
   termios_ = *termios_p;
   return 0;
 }
 
 }