Abseil Common Libraries (C++) (grcp 依赖)
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43 lines
1.4 KiB
43 lines
1.4 KiB
// Copyright 2019 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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#include "absl/status/status_payload_printer.h" |
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#include <atomic> |
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#include "absl/base/attributes.h" |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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namespace status_internal { |
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namespace { |
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// Tried constant initialized global variable but it doesn't work with Lexan |
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// (MSVC's `std::atomic` has trouble constant initializing). |
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std::atomic<StatusPayloadPrinter>& GetStatusPayloadPrinterStorage() { |
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ABSL_CONST_INIT static std::atomic<StatusPayloadPrinter> instance{nullptr}; |
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return instance; |
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} |
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} // namespace |
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void SetStatusPayloadPrinter(StatusPayloadPrinter printer) { |
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GetStatusPayloadPrinterStorage().store(printer, std::memory_order_relaxed); |
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} |
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StatusPayloadPrinter GetStatusPayloadPrinter() { |
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return GetStatusPayloadPrinterStorage().load(std::memory_order_relaxed); |
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} |
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} // namespace status_internal |
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ABSL_NAMESPACE_END |
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} // namespace absl
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