1 | /* |
---|---|
2 | * Copyright 2017-present Facebook, Inc. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #pragma once |
18 | |
19 | #include <atomic> |
20 | #include <string> |
21 | #include <thread> |
22 | |
23 | #include <folly/Conv.h> |
24 | #include <folly/Range.h> |
25 | #include <folly/executors/thread_factory/ThreadFactory.h> |
26 | #include <folly/system/ThreadName.h> |
27 | |
28 | namespace folly { |
29 | |
30 | class NamedThreadFactory : public ThreadFactory { |
31 | public: |
32 | explicit NamedThreadFactory(folly::StringPiece prefix) |
33 | : prefix_(prefix.str()), suffix_(0) {} |
34 | |
35 | std::thread newThread(Func&& func) override { |
36 | auto name = folly::to<std::string>(prefix_, suffix_++); |
37 | return std::thread( |
38 | [func = std::move(func), name = std::move(name)]() mutable { |
39 | folly::setThreadName(name); |
40 | func(); |
41 | }); |
42 | } |
43 | |
44 | void setNamePrefix(folly::StringPiece prefix) { |
45 | prefix_ = prefix.str(); |
46 | } |
47 | |
48 | std::string getNamePrefix() { |
49 | return prefix_; |
50 | } |
51 | |
52 | private: |
53 | std::string prefix_; |
54 | std::atomic<uint64_t> suffix_; |
55 | }; |
56 | |
57 | } // namespace folly |
58 |