Nagram/TMessagesProj/jni/voip/webrtc/absl/status/status_payload_printer.cc

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2020-08-14 16:58:22 +00:00
// Copyright 2019 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.
#include "absl/status/status_payload_printer.h"
#include <atomic>
#include "absl/base/attributes.h"
namespace absl {
ABSL_NAMESPACE_BEGIN
namespace status_internal {
namespace {
// Tried constant initialized global variable but it doesn't work with Lexan
// (MSVC's `std::atomic` has trouble constant initializing).
std::atomic<StatusPayloadPrinter>& GetStatusPayloadPrinterStorage() {
ABSL_CONST_INIT static std::atomic<StatusPayloadPrinter> instance{nullptr};
return instance;
}
} // namespace
void SetStatusPayloadPrinter(StatusPayloadPrinter printer) {
GetStatusPayloadPrinterStorage().store(printer, std::memory_order_relaxed);
}
StatusPayloadPrinter GetStatusPayloadPrinter() {
return GetStatusPayloadPrinterStorage().load(std::memory_order_relaxed);
}
} // namespace status_internal
ABSL_NAMESPACE_END
} // namespace absl