about summary refs log tree commit diff
path: root/absl/random/internal/randen_detect.h
diff options
context:
space:
mode:
Diffstat (limited to 'absl/random/internal/randen_detect.h')
-rw-r--r--absl/random/internal/randen_detect.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/absl/random/internal/randen_detect.h b/absl/random/internal/randen_detect.h
new file mode 100644
index 000000000000..ab45f348b5a5
--- /dev/null
+++ b/absl/random/internal/randen_detect.h
@@ -0,0 +1,29 @@
+// Copyright 2017 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.
+
+#ifndef ABSL_RANDOM_INTERNAL_RANDEN_DETECT_H_
+#define ABSL_RANDOM_INTERNAL_RANDEN_DETECT_H_
+
+namespace absl {
+namespace random_internal {
+
+// Returns whether the current CPU supports RandenHwAes implementation.
+// This typically involves supporting cryptographic extensions on whichever
+// platform is currently running.
+bool CPUSupportsRandenHwAes();
+
+}  // namespace random_internal
+}  // namespace absl
+
+#endif  // ABSL_RANDOM_INTERNAL_RANDEN_FAST_H_