mirror of https://github.com/facebook/rocksdb.git
42 lines
1.2 KiB
C
42 lines
1.2 KiB
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).
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "port/port.h"
|
||
|
|
#include "rocksdb/rocksdb_namespace.h"
|
||
|
|
|
||
|
|
namespace ROCKSDB_NAMESPACE {
|
||
|
|
|
||
|
|
// Resource management object for threads that joins the thread upon
|
||
|
|
// destruction. Has unique ownership of the thread object, so copying it is not
|
||
|
|
// allowed, while moving it transfers ownership.
|
||
|
|
class ThreadGuard {
|
||
|
|
public:
|
||
|
|
ThreadGuard() = default;
|
||
|
|
|
||
|
|
explicit ThreadGuard(port::Thread&& thread) : thread_(std::move(thread)) {}
|
||
|
|
|
||
|
|
ThreadGuard(const ThreadGuard&) = delete;
|
||
|
|
ThreadGuard& operator=(const ThreadGuard&) = delete;
|
||
|
|
|
||
|
|
ThreadGuard(ThreadGuard&&) noexcept = default;
|
||
|
|
ThreadGuard& operator=(ThreadGuard&&) noexcept = default;
|
||
|
|
|
||
|
|
~ThreadGuard() {
|
||
|
|
if (thread_.joinable()) {
|
||
|
|
thread_.join();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const port::Thread& GetThread() const { return thread_; }
|
||
|
|
port::Thread& GetThread() { return thread_; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
port::Thread thread_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace ROCKSDB_NAMESPACE
|