EXPERIMENTAL

base/sync_socket_posix.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 <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <stddef.h>
@@ skipping 27 matching lines @@
   DCHECK_LE(length, kMaxMessageLength);
   DCHECK_NE(handle, SyncSocket::kInvalidHandle);
   const char* charbuffer = static_cast<const char*>(buffer);
   return WriteFileDescriptor(handle, charbuffer, length)
              ? static_cast<size_t>(length)
              : 0;
 }
 
 bool CloseHandle(SyncSocket::Handle handle) {
   if (handle != SyncSocket::kInvalidHandle && close(handle) < 0) {
+    CHECK(errno != EBADF) << "Probable double-close of socket handle.";
     DPLOG(ERROR) << "close";
     return false;
   }
 
   return true;
 }
 
 }  // namespace
 
 const SyncSocket::Handle SyncSocket::kInvalidHandle = -1;
@@ skipping 187 matching lines @@
   return len;
 }
 
 // static
 bool CancelableSyncSocket::CreatePair(CancelableSyncSocket* socket_a,
                                       CancelableSyncSocket* socket_b) {
   return SyncSocket::CreatePair(socket_a, socket_b);
 }
 
 }  // namespace base