10225501448 李度 10225101546 陈胤遒 10215501422 高宇菲
Vous ne pouvez pas sélectionner plus de 25 sujets Les noms de sujets doivent commencer par une lettre ou un nombre, peuvent contenir des tirets ('-') et peuvent comporter jusqu'à 35 caractères.
 
 

108 lignes
3.0 KiB

// Copyright (c) 2012 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.
#ifndef STORAGE_LEVELDB_PORT_THREAD_ANNOTATIONS_H_
#define STORAGE_LEVELDB_PORT_THREAD_ANNOTATIONS_H_
// Use Clang's thread safety analysis annotations when available. In other
// environments, the macros receive empty definitions.
// Usage documentation: https://clang.llvm.org/docs/ThreadSafetyAnalysis.html
#if !defined(THREAD_ANNOTATION_ATTRIBUTE__)
#if defined(__clang__)
#define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
#else
#define THREAD_ANNOTATION_ATTRIBUTE__(x) // no-op
#endif
#endif // !defined(THREAD_ANNOTATION_ATTRIBUTE__)
#ifndef GUARDED_BY
#define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
#endif
#ifndef PT_GUARDED_BY
#define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x))
#endif
#ifndef ACQUIRED_AFTER
#define ACQUIRED_AFTER(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquired_after(__VA_ARGS__))
#endif
#ifndef ACQUIRED_BEFORE
#define ACQUIRED_BEFORE(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquired_before(__VA_ARGS__))
#endif
#ifndef EXCLUSIVE_LOCKS_REQUIRED
#define EXCLUSIVE_LOCKS_REQUIRED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required(__VA_ARGS__))
#endif
#ifndef SHARED_LOCKS_REQUIRED
#define SHARED_LOCKS_REQUIRED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(shared_locks_required(__VA_ARGS__))
#endif
#ifndef LOCKS_EXCLUDED
#define LOCKS_EXCLUDED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(locks_excluded(__VA_ARGS__))
#endif
#ifndef LOCK_RETURNED
#define LOCK_RETURNED(x) THREAD_ANNOTATION_ATTRIBUTE__(lock_returned(x))
#endif
#ifndef LOCKABLE
#define LOCKABLE THREAD_ANNOTATION_ATTRIBUTE__(lockable)
#endif
#ifndef SCOPED_LOCKABLE
#define SCOPED_LOCKABLE THREAD_ANNOTATION_ATTRIBUTE__(scoped_lockable)
#endif
#ifndef EXCLUSIVE_LOCK_FUNCTION
#define EXCLUSIVE_LOCK_FUNCTION(...) \
THREAD_ANNOTATION_ATTRIBUTE__(exclusive_lock_function(__VA_ARGS__))
#endif
#ifndef SHARED_LOCK_FUNCTION
#define SHARED_LOCK_FUNCTION(...) \
THREAD_ANNOTATION_ATTRIBUTE__(shared_lock_function(__VA_ARGS__))
#endif
#ifndef EXCLUSIVE_TRYLOCK_FUNCTION
#define EXCLUSIVE_TRYLOCK_FUNCTION(...) \
THREAD_ANNOTATION_ATTRIBUTE__(exclusive_trylock_function(__VA_ARGS__))
#endif
#ifndef SHARED_TRYLOCK_FUNCTION
#define SHARED_TRYLOCK_FUNCTION(...) \
THREAD_ANNOTATION_ATTRIBUTE__(shared_trylock_function(__VA_ARGS__))
#endif
#ifndef UNLOCK_FUNCTION
#define UNLOCK_FUNCTION(...) \
THREAD_ANNOTATION_ATTRIBUTE__(unlock_function(__VA_ARGS__))
#endif
#ifndef NO_THREAD_SAFETY_ANALYSIS
#define NO_THREAD_SAFETY_ANALYSIS \
THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis)
#endif
#ifndef ASSERT_EXCLUSIVE_LOCK
#define ASSERT_EXCLUSIVE_LOCK(...) \
THREAD_ANNOTATION_ATTRIBUTE__(assert_exclusive_lock(__VA_ARGS__))
#endif
#ifndef ASSERT_SHARED_LOCK
#define ASSERT_SHARED_LOCK(...) \
THREAD_ANNOTATION_ATTRIBUTE__(assert_shared_lock(__VA_ARGS__))
#endif
#endif // STORAGE_LEVELDB_PORT_THREAD_ANNOTATIONS_H_