chromium/third_party/grpc/src/src/core/lib/gprpp/ref_counted_ptr.h

//
//
// Copyright 2017 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//

#ifndef GRPC_SRC_CORE_LIB_GPRPP_REF_COUNTED_PTR_H
#define GRPC_SRC_CORE_LIB_GPRPP_REF_COUNTED_PTR_H

#include <grpc/support/port_platform.h>

#include <iosfwd>
#include <type_traits>
#include <utility>

#include "src/core/lib/gprpp/debug_location.h"

namespace grpc_core {

// A smart pointer class for objects that provide IncrementRefCount() and
// Unref() methods, such as those provided by the RefCounted base class.
template <typename T>
class RefCountedPtr { … };

// A smart pointer class for objects that provide IncrementWeakRefCount() and
// WeakUnref() methods, such as those provided by the DualRefCounted base class.
template <typename T>
class WeakRefCountedPtr { … };

template <typename T, typename... Args>
inline RefCountedPtr<T> MakeRefCounted(Args&&... args) { … }

template <typename T>
bool operator<(const RefCountedPtr<T>& p1, const RefCountedPtr<T>& p2) { … }

template <typename T>
bool operator<(const WeakRefCountedPtr<T>& p1, const WeakRefCountedPtr<T>& p2) { … }

}  // namespace grpc_core

#endif  // GRPC_SRC_CORE_LIB_GPRPP_REF_COUNTED_PTR_H