Abseil Common Libraries (C++) (grcp 依赖)
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61 lines
2.1 KiB
61 lines
2.1 KiB
// 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/log_sink_registry.h |
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// ----------------------------------------------------------------------------- |
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// |
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// This header declares APIs to operate on global set of registered log sinks. |
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#ifndef ABSL_LOG_LOG_SINK_REGISTRY_H_ |
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#define ABSL_LOG_LOG_SINK_REGISTRY_H_ |
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#include "absl/base/config.h" |
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#include "absl/log/internal/log_sink_set.h" |
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#include "absl/log/log_sink.h" |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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// AddLogSink(), RemoveLogSink() |
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// |
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// Adds or removes a `absl::LogSink` as a consumer of logging data. |
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// |
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// These functions are thread-safe. |
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// |
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// It is an error to attempt to add a sink that's already registered or to |
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// attempt to remove one that isn't. |
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// |
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// To avoid unbounded recursion, dispatch to registered `absl::LogSink`s is |
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// disabled per-thread while running the `Send()` method of registered |
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// `absl::LogSink`s. Affected messages are dispatched to a special internal |
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// sink instead which writes them to `stderr`. |
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// |
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// Do not call these inside `absl::LogSink::Send`. |
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inline void AddLogSink(absl::LogSink* sink) { log_internal::AddLogSink(sink); } |
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inline void RemoveLogSink(absl::LogSink* sink) { |
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log_internal::RemoveLogSink(sink); |
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} |
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// FlushLogSinks() |
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// |
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// Calls `absl::LogSink::Flush` on all registered sinks. |
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// |
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// Do not call this inside `absl::LogSink::Send`. |
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inline void FlushLogSinks() { log_internal::FlushLogSinks(); } |
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ABSL_NAMESPACE_END |
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} // namespace absl |
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#endif // ABSL_LOG_LOG_SINK_REGISTRY_H_
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