// 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/internal/log_sink_set.h // ----------------------------------------------------------------------------- #ifndef ABSL_LOG_INTERNAL_LOG_SINK_SET_H_ #define ABSL_LOG_INTERNAL_LOG_SINK_SET_H_ #include "absl/base/config.h" #include "absl/log/log_entry.h" #include "absl/log/log_sink.h" #include "absl/types/span.h" namespace absl { ABSL_NAMESPACE_BEGIN namespace log_internal { // Returns true if a globally-registered `LogSink`'s `Send()` is currently // being invoked on this thread. bool ThreadIsLoggingToLogSink(); // This function may log to two sets of sinks: // // * If `extra_sinks_only` is true, it will dispatch only to `extra_sinks`. // `LogMessage::ToSinkAlso` and `LogMessage::ToSinkOnly` are used to attach // extra sinks to the entry. // * Otherwise it will also log to the global sinks set. This set is managed // by `absl::AddLogSink` and `absl::RemoveLogSink`. void LogToSinks(const absl::LogEntry& entry, absl::Span<absl::LogSink*> extra_sinks, bool extra_sinks_only); // Implementation for operations with log sink set. void AddLogSink(absl::LogSink* sink); void RemoveLogSink(absl::LogSink* sink); void FlushLogSinks(); } // namespace log_internal ABSL_NAMESPACE_END } // namespace absl #endif // ABSL_LOG_INTERNAL_LOG_SINK_SET_H_