SyncSocket Transit Descriptor - refactoring

base/sync_socket_win.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/sync_socket.h"
 
 #include "base/logging.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/win/scoped_handle.h"
 
@@ skipping 189 matching lines @@
 
 SyncSocket::~SyncSocket() {
   Close();
 }
 
 // static
 bool SyncSocket::CreatePair(SyncSocket* socket_a, SyncSocket* socket_b) {
   return CreatePairImpl(&socket_a->handle_, &socket_b->handle_, false);
 }
 
+// static
+SyncSocket::Handle SyncSocket::UnwrapHandle(
+    const SyncSocket::TransitDescriptor& descriptor) {
+  return (SyncSocket::Handle) descriptor;

[no longer working on chromium, 2014/09/01 14:56:18]

ditto

[burnik, 2014/09/01 15:08:02]

Done.

+}
+
+bool SyncSocket::PrepareTransitDescriptor(ProcessHandle peer_process_handle,
+    SyncSocket::TransitDescriptor * descriptor) {

[no longer working on chromium, 2014/09/01 14:56:18]

ditto

[burnik, 2014/09/01 14:59:34]

Also TransitDescriptor*
Done.

[burnik, 2014/09/01 15:08:03]

Done.

+  // |TransitDescriptor| on Windows is the |Handle| itself
+  ::DuplicateHandle(GetCurrentProcess(), handle(),
+                    peer_process_handle, descriptor,
+                    0, FALSE, DUPLICATE_SAME_ACCESS);
+  return (*descriptor != 0);
+}
+
 bool SyncSocket::Close() {
   if (handle_ == kInvalidHandle)
     return true;
 
   const BOOL result = CloseHandle(handle_);
   handle_ = kInvalidHandle;
   return result == TRUE;
 }
 
 size_t SyncSocket::Send(const void* buffer, size_t length) {
@@ skipping 88 matching lines @@
       &file_operation_, &shutdown_event_, this, timeout.InMilliseconds());
 }
 
 // static
 bool CancelableSyncSocket::CreatePair(CancelableSyncSocket* socket_a,
                                       CancelableSyncSocket* socket_b) {
   return CreatePairImpl(&socket_a->handle_, &socket_b->handle_, true);
 }
 
 }  // namespace base