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Diffstat (limited to 'absl/status/status_payload_printer.cc')
-rw-r--r-- | absl/status/status_payload_printer.cc | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/absl/status/status_payload_printer.cc b/absl/status/status_payload_printer.cc new file mode 100644 index 000000000000..ad96d76acf49 --- /dev/null +++ b/absl/status/status_payload_printer.cc @@ -0,0 +1,43 @@ +// 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 |