1 // Copyright 2017 The Abseil Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef ABSL_RANDOM_INTERNAL_RANDEN_DETECT_H_
16 #define ABSL_RANDOM_INTERNAL_RANDEN_DETECT_H_
17 
18 #include "absl/base/config.h"
19 
20 namespace absl {
21 ABSL_NAMESPACE_BEGIN
22 namespace random_internal {
23 
24 // Returns whether the current CPU supports RandenHwAes implementation.
25 // This typically involves supporting cryptographic extensions on whichever
26 // platform is currently running.
27 bool CPUSupportsRandenHwAes();
28 
29 }  // namespace random_internal
30 ABSL_NAMESPACE_END
31 }  // namespace absl
32 
33 #endif  // ABSL_RANDOM_INTERNAL_RANDEN_DETECT_H_
34