Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.1 KiB
38 lines
1.1 KiB
// |
|
// 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/flags/flag.h" |
|
|
|
#include "absl/base/config.h" |
|
|
|
namespace absl { |
|
ABSL_NAMESPACE_BEGIN |
|
|
|
// This global mutex protects on-demand construction of flag objects in MSVC |
|
// builds. |
|
#if defined(_MSC_VER) && !defined(__clang__) |
|
|
|
namespace flags_internal { |
|
|
|
ABSL_CONST_INIT static absl::Mutex construction_guard(absl::kConstInit); |
|
|
|
absl::Mutex* GetGlobalConstructionGuard() { return &construction_guard; } |
|
|
|
} // namespace flags_internal |
|
|
|
#endif |
|
|
|
ABSL_NAMESPACE_END |
|
} // namespace absl
|
|
|