update ceph source to reef 18.1.2

[ceph.git] / ceph / src / rocksdb / third-party / folly / folly / chrono / Hardware.h

diff --git a/ceph/src/rocksdb/third-party/folly/folly/chrono/Hardware.h b/ceph/src/rocksdb/third-party/folly/folly/chrono/Hardware.h
deleted file mode 100644 (file)
index 6635b87..0000000
--- a/ceph/src/rocksdb/third-party/folly/folly/chrono/Hardware.h
+++ /dev/null
@@ -1,33 +0,0 @@
-//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
-//  This source code is licensed under both the GPLv2 (found in the
-//  COPYING file in the root directory) and Apache 2.0 License
-//  (found in the LICENSE.Apache file in the root directory).
-
-#pragma once
-
-#include <folly/Portability.h>
-
-#include <chrono>
-#include <cstdint>
-
-#if _MSC_VER && (defined(_M_IX86) || defined(_M_X64))
-extern "C" std::uint64_t __rdtsc();
-#pragma intrinsic(__rdtsc)
-#endif
-
-namespace folly {
-
-inline std::uint64_t hardware_timestamp() {
-#if _MSC_VER && (defined(_M_IX86) || defined(_M_X64))
-  return __rdtsc();
-#elif __GNUC__ && (__i386__ || FOLLY_X64)
-  return __builtin_ia32_rdtsc();
-#else
-  // use steady_clock::now() as an approximation for the timestamp counter on
-  // non-x86 systems
-  return std::chrono::steady_clock::now().time_since_epoch().count();
-#endif
-}
-
-} // namespace folly
-