mirror of https://gitee.com/bigwinds/arangodb
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// 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
|
|
///
|
|
/// http://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.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Jan Steemann
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGODB_BASICS_LOCKING_H
|
|
#define ARANGODB_BASICS_LOCKING_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
|
|
#undef ARANGODB_SHOW_LOCK_TIME
|
|
#define TRI_SHOW_LOCK_THRESHOLD 0.000199
|
|
|
|
namespace arangodb {
|
|
namespace basics {
|
|
|
|
enum class LockerType {
|
|
BLOCKING, // always lock, blocking if the lock cannot be acquired instantly
|
|
EVENTUAL, // always lock, sleeping while the lock is not acquired
|
|
TRY // try to acquire the lock and give up instantly if it cannot be acquired
|
|
};
|
|
|
|
namespace ConditionalLocking {
|
|
static constexpr bool DoLock = true;
|
|
static constexpr bool DoNotLock = false;
|
|
} // namespace ConditionalLocking
|
|
|
|
} // namespace basics
|
|
} // namespace arangodb
|
|
|
|
#endif
|