leveldb/port/thread_annotations.h
David Grogan 946e5b5a4c Update to leveldb 1.6
Highlights
----------
Mmap at most 1000 files on Posix to improve performance for large databases.
Support for more architectures (thanks to Alexander K.)

Building and porting
--------------------
HP/UX support (issue 126)
AtomicPointer for ia64 (issue 123)
Sparc v9 support (issue 124)
Atomic ops for powerpc
Use -fno-builtin-memcmp only when using g++
Simplify IOS build rules (issue 114)
Use CXXFLAGS instead of CFLAGS when invoking C++ compiler (issue 118)
Fix snappy shared library problem (issue 94)
Fix shared library installation path regression
Endian-ness detection tweak for FreeBSD

Bug fixes
---------
Stop ignoring FLAGS_open_files in db_bench
Make bloom test behavior agnostic to endian-ness

Performance
-----------
Limit number of mmapped files to 1000 to improve perf for large dbs
Do not delay for 1 second on shutdown path (issue 125)

Misc
----
Make InMemoryEnv return a no-op logger
C binding now has a wrapper for free (issue 117)
Add thread-safety annotations
Added an in-process lock table (issue 120)
Make RandomAccessFile and SequentialFile non-copyable
2012-10-12 11:53:12 -07:00

60 lines
1.3 KiB
C

// 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
// Some environments provide custom macros to aid in static thread-safety
// analysis. Provide empty definitions of such macros unless they are already
// defined.
#ifndef EXCLUSIVE_LOCKS_REQUIRED
#define EXCLUSIVE_LOCKS_REQUIRED(...)
#endif
#ifndef SHARED_LOCKS_REQUIRED
#define SHARED_LOCKS_REQUIRED(...)
#endif
#ifndef LOCKS_EXCLUDED
#define LOCKS_EXCLUDED(...)
#endif
#ifndef LOCK_RETURNED
#define LOCK_RETURNED(x)
#endif
#ifndef LOCKABLE
#define LOCKABLE
#endif
#ifndef SCOPED_LOCKABLE
#define SCOPED_LOCKABLE
#endif
#ifndef EXCLUSIVE_LOCK_FUNCTION
#define EXCLUSIVE_LOCK_FUNCTION(...)
#endif
#ifndef SHARED_LOCK_FUNCTION
#define SHARED_LOCK_FUNCTION(...)
#endif
#ifndef EXCLUSIVE_TRYLOCK_FUNCTION
#define EXCLUSIVE_TRYLOCK_FUNCTION(...)
#endif
#ifndef SHARED_TRYLOCK_FUNCTION
#define SHARED_TRYLOCK_FUNCTION(...)
#endif
#ifndef UNLOCK_FUNCTION
#define UNLOCK_FUNCTION(...)
#endif
#ifndef NO_THREAD_SAFETY_ANALYSIS
#define NO_THREAD_SAFETY_ANALYSIS
#endif
#endif // STORAGE_LEVELDB_PORT_THREAD_ANNOTATIONS_H