Raw SocketDescriptor variant of UnixDomainServerSocket::Accept

net/socket/unix_domain_client_socket_posix.h

 // Copyright 2014 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.
 
 #ifndef NET_SOCKET_UNIX_DOMAIN_CLIENT_SOCKET_POSIX_H_
 #define NET_SOCKET_UNIX_DOMAIN_CLIENT_SOCKET_POSIX_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
 #include "net/base/net_log.h"
+#include "net/socket/socket_descriptor.h"
 #include "net/socket/stream_socket.h"
 
 namespace net {
 
 class SocketLibevent;
 struct SockaddrStorage;
 
 // A client socket that uses unix domain socket as the transport layer.
 class NET_EXPORT UnixDomainClientSocket : public StreamSocket {
  public:
@@ skipping 30 matching lines @@
   virtual bool GetSSLInfo(SSLInfo* ssl_info) OVERRIDE;
 
   // Socket implementation.
   virtual int Read(IOBuffer* buf, int buf_len,
                    const CompletionCallback& callback) OVERRIDE;
   virtual int Write(IOBuffer* buf, int buf_len,
                     const CompletionCallback& callback) OVERRIDE;
   virtual int SetReceiveBufferSize(int32 size) OVERRIDE;
   virtual int SetSendBufferSize(int32 size) OVERRIDE;
 
+  // Releases ownership of socket_->socket_fd() to caller. |socket_| is
+  // destroyed in the process, as it no longer owns the underlying FD.

[byungchul, 2014/09/03 00:13:54]

Not sure if it is good to comment with private member, socket_.

[Chris Masone, 2014/09/03 02:38:39]

Done.

+  // Returns kInvalidSocket if |socket_| does not exist or is not connected.
+  SocketDescriptor ReleaseSocketDescriptor();
+
  private:
   const std::string socket_path_;
   const bool use_abstract_namespace_;
   scoped_ptr<SocketLibevent> socket_;
   // This net log is just to comply StreamSocket::NetLog(). It throws away
   // everything.
   BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(UnixDomainClientSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_UNIX_DOMAIN_CLIENT_SOCKET_POSIX_H_