Add 'third_party/abseil_cpp/' from commit '768eb2ca2857342673fcd462792ce04b8bac3fa3' r/781

git-subtree-dir: third_party/abseil_cpp
git-subtree-mainline: ffb2ae54beb5796cd408fbe15d2d2da09ff37adf
git-subtree-split: 768eb2ca2857342673fcd462792ce04b8bac3fa3

1 files changed, 29 insertions, 0 deletions

diff --git a/third_party/abseil_cpp/absl/random/seed_sequences.cc b/third_party/abseil_cpp/absl/random/seed_sequences.cc
new file mode 100644
index 000000000000..426eafd3c8de
--- /dev/null
+++ b/third_party/abseil_cpp/absl/random/seed_sequences.cc
@@ -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.
+
+#include "absl/random/seed_sequences.h"
+
+#include "absl/random/internal/pool_urbg.h"
+
+namespace absl {
+ABSL_NAMESPACE_BEGIN
+
+SeedSeq MakeSeedSeq() {
+  SeedSeq::result_type seed_material[8];
+  random_internal::RandenPool<uint32_t>::Fill(absl::MakeSpan(seed_material));
+  return SeedSeq(std::begin(seed_material), std::end(seed_material));
+}
+
+ABSL_NAMESPACE_END
+}  // namespace absl