// Copyright 2022 The Abseil 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 // // https://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. // // ----------------------------------------------------------------------------- // File: log/log_sink.h // ----------------------------------------------------------------------------- // // This header declares the interface class `absl::LogSink`. #ifndef ABSL_LOG_LOG_SINK_H_ #define ABSL_LOG_LOG_SINK_H_ #include "absl/base/config.h" #include "absl/log/log_entry.h" namespace absl { ABSL_NAMESPACE_BEGIN // absl::LogSink // // `absl::LogSink` is an interface which can be extended to intercept and // process particular messages (with `LOG.ToSinkOnly()` or // `LOG.ToSinkAlso()`) or all messages (if registered with // `absl::AddLogSink`). Implementations must not take any locks that might be // held by the `LOG` caller. class LogSink { … }; ABSL_NAMESPACE_END } // namespace absl #endif // ABSL_LOG_LOG_SINK_H_