Abseil Common Libraries (C++) (grcp 依赖)
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55 lines
1.9 KiB
55 lines
1.9 KiB
2 years ago
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// Copyright 2022 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// -----------------------------------------------------------------------------
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// File: log/internal/log_sink_set.h
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// -----------------------------------------------------------------------------
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#ifndef ABSL_LOG_INTERNAL_LOG_SINK_SET_H_
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#define ABSL_LOG_INTERNAL_LOG_SINK_SET_H_
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#include "absl/base/config.h"
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#include "absl/log/log_entry.h"
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#include "absl/log/log_sink.h"
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#include "absl/types/span.h"
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace log_internal {
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// Returns true if a globally-registered `LogSink`'s `Send()` is currently
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// being invoked on this thread.
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bool ThreadIsLoggingToLogSink();
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// This function may log to two sets of sinks:
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//
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// * If `extra_sinks_only` is true, it will dispatch only to `extra_sinks`.
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// `LogMessage::ToSinkAlso` and `LogMessage::ToSinkOnly` are used to attach
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// extra sinks to the entry.
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// * Otherwise it will also log to the global sinks set. This set is managed
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// by `absl::AddLogSink` and `absl::RemoveLogSink`.
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void LogToSinks(const absl::LogEntry& entry,
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absl::Span<absl::LogSink*> extra_sinks, bool extra_sinks_only);
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// Implementation for operations with log sink set.
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void AddLogSink(absl::LogSink* sink);
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void RemoveLogSink(absl::LogSink* sink);
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void FlushLogSinks();
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} // namespace log_internal
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ABSL_NAMESPACE_END
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} // namespace absl
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#endif // ABSL_LOG_INTERNAL_LOG_SINK_SET_H_
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