Reset accept_callback_ before calling it from TCPServerSocket.

net/socket/tcp_server_socket_libevent.cc

 // Copyright (c) 2011 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_server_socket_libevent.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
 #include <sys/socket.h>
@@ skipping 169 matching lines @@
 }
 
 void TCPServerSocketLibevent::OnFileCanReadWithoutBlocking(int fd) {
   DCHECK(CalledOnValidThread());
 
   int result = AcceptInternal(accept_socket_);
   if (result != ERR_IO_PENDING) {
     accept_socket_ = NULL;
     bool ok = accept_socket_watcher_.StopWatchingFileDescriptor();
     DCHECK(ok);
-    accept_callback_.Run(result);
+    CompletionCallback callback = accept_callback_;

[James Hawkins, 2012/03/28 23:25:22]

accept_callback_.Reset().Run(result);

[Sergey Ulanov, 2012/03/29 00:05:38]

I don't think Callback<>.Reset() returns anything, or does it?
CallbackBase.Reset() is defined as returning NULL.

[James Hawkins, 2012/03/30 20:25:01]

Huh.  I could swear someone just added this recently; I'll look for it.

     accept_callback_.Reset();
+    callback.Run(result);
   }
 }
 
 void TCPServerSocketLibevent::OnFileCanWriteWithoutBlocking(int fd) {
   NOTREACHED();
 }
 
 }  // namespace net