[NaCl SDK] nacl_io: Add support for non-blocking connect/accept

native_client_sdk/src/libraries/nacl_io/event_emitter_tcp.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/event_emitter_tcp.h"
 
 #include <poll.h>
 #include <stdint.h>
 #include <stdlib.h>
 
 #include "nacl_io/fifo_char.h"
 #include "sdk_util/auto_lock.h"
 
 namespace nacl_io {
 
 EventEmitterTCP::EventEmitterTCP(size_t rsize, size_t wsize)
     : in_fifo_(std::max<size_t>(65536, rsize)),
       out_fifo_(std::max<size_t>(65536, wsize)) {
-  UpdateStatus_Locked();
 }
 
 uint32_t EventEmitterTCP::ReadIn_Locked(char* data, uint32_t len) {
   uint32_t count = in_fifo_.Read(data, len);
 
   UpdateStatus_Locked();
   return count;
 }
 
 uint32_t EventEmitterTCP::WriteIn_Locked(const char* data, uint32_t len) {
@@ skipping 10 matching lines @@
   return count;
 }
 
 uint32_t EventEmitterTCP::WriteOut_Locked(const char* data, uint32_t len) {
   uint32_t count = out_fifo_.Write(data, len);
 
   UpdateStatus_Locked();
   return count;
 }
 
+void EventEmitterTCP::ConnectDone_Locked() {
+  RaiseEvents_Locked(POLLOUT);
+  UpdateStatus_Locked();
+}
+
+void EventEmitterTCP::SetAcceptedSocket_Locked(PP_Resource socket) {
+  accepted_socket_ = socket;
+  RaiseEvents_Locked(POLLIN);
+}
+
+PP_Resource EventEmitterTCP::GetAcceptedSocket_Locked() {
+  int rtn = accepted_socket_;
+  accepted_socket_ = 0;
+  ClearEvents_Locked(POLLIN);
+  return rtn;
+}
 
 }  // namespace nacl_io
-
-