rocksdb/port/likely.h
sdong 7cf27eae0a clang format files under port/ (#10849)
Summary:
Run "clang-format" against files under port to make it happy.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10849

Test Plan: Watch existing CI to pass.

Reviewed By: anand1976

Differential Revision: D40645839

fbshipit-source-id: 582b4215503223795cf6234af90cc4e8e4eba773
2022-10-24 16:56:01 -07:00

19 lines
686 B
C

// 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).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#pragma once
#if defined(__GNUC__) && __GNUC__ >= 4
#define LIKELY(x) (__builtin_expect((x), 1))
#define UNLIKELY(x) (__builtin_expect((x), 0))
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif