Clang: Do not ignore result of HANDLE_EINTR.

net/socket/tcp_client_socket_libevent.cc

 // Copyright (c) 2010 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 "net/socket/tcp_client_socket_libevent.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
 #include <sys/socket.h>
@@ skipping 238 matching lines @@
 }
 
 void TCPClientSocketLibevent::DoDisconnect() {
   if (socket_ == kInvalidSocket)
     return;
 
   bool ok = read_socket_watcher_.StopWatchingFileDescriptor();
   DCHECK(ok);
   ok = write_socket_watcher_.StopWatchingFileDescriptor();
   DCHECK(ok);
-  HANDLE_EINTR(close(socket_));
+  if (HANDLE_EINTR(close(socket_)) < 0)
+    PLOG(ERROR) << "close";
   socket_ = kInvalidSocket;
 }
 
 bool TCPClientSocketLibevent::IsConnected() const {
   DCHECK(CalledOnValidThread());
 
   if (socket_ == kInvalidSocket || waiting_connect())
     return false;
 
   // Check if connection is alive.
@@ skipping 229 matching lines @@
 int TCPClientSocketLibevent::GetPeerAddress(AddressList* address) const {
   DCHECK(CalledOnValidThread());
   DCHECK(address);
   if (!current_ai_)
     return ERR_UNEXPECTED;
   address->Copy(current_ai_, false);
   return OK;
 }
 
 }  // namespace net