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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/util/thread_guard.h | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rocksdb/util/thread_guard.h')
-rw-r--r-- | src/rocksdb/util/thread_guard.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/rocksdb/util/thread_guard.h b/src/rocksdb/util/thread_guard.h new file mode 100644 index 000000000..b2bb06a1b --- /dev/null +++ b/src/rocksdb/util/thread_guard.h @@ -0,0 +1,41 @@ +// 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 |