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/*
*
* 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_CORE_LIB_SUPPORT_REFERENCE_COUNTED_H
#define GRPC_CORE_LIB_SUPPORT_REFERENCE_COUNTED_H
#include <grpc/support/sync.h>
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/support/debug_location.h"
namespace grpc_core {
class ReferenceCounted {
public:
void Ref();
void Ref(const DebugLocation& location, const char* reason);
bool Unref();
bool Unref(const DebugLocation& location, const char* reason);
// Not copyable nor movable.
ReferenceCounted(const ReferenceCounted&) = delete;
ReferenceCounted& operator=(const ReferenceCounted&) = delete;
protected:
// Allow Delete() to access destructor.
template<typename T>
friend void Delete(T*);
explicit ReferenceCounted(TraceFlag* trace_flag) : trace_flag_(trace_flag) {
gpr_ref_init(&refs_, 1);
}
virtual ~ReferenceCounted() {}
private:
TraceFlag* trace_flag_;
gpr_refcount refs_;
};
} // namespace grpc_core
#endif // GRPC_CORE_LIB_SUPPORT_REFERENCE_COUNTED_H
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