ceph/src/seastar/include/seastar/core/shared_ptr_incomplete.hh

   1 /*
   2  * This file is open source software, licensed to you under the terms
   3  * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
   4  * distributed with this work for additional information regarding copyright
   5  * ownership.  You may not use this file except in compliance with the License.
   6  *
   7  * You may obtain a copy of the License at
   8  *
   9  *   http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing,
  12  * software distributed under the License is distributed on an
  13  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  14  * KIND, either express or implied.  See the License for the
  15  * specific language governing permissions and limitations
  16  * under the License.
  17  */
  18 /*
  19  * Copyright (C) 2017 ScyllaDB
  20  */
  21
  22 #pragma once
  23
  24 #include <seastar/core/shared_ptr.hh>
  25
  26
  27 /// \file Include this header files when using \c lw_shared_ptr<some_incomplete_type>, at the point
  28 /// where \c some_incomplete_type is defined.
  29
  30 namespace seastar {
  31
  32 namespace internal {
  33
  34 // Overload when lw_shared_ptr_deleter<T> specialized
  35 template <typename T>
  36 T*
  37 lw_shared_ptr_accessors<T, void_t<decltype(lw_shared_ptr_deleter<T>{})>>::to_value(lw_shared_ptr_counter_base* counter) {
  38     return static_cast<T*>(counter);
  39 }
  40
  41 }
  42
  43 }