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rubocop-thread_safety

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최종 버전 다운로드 (.zip)

- console
- setup
- default.yml
- rubocop_0.53.gemfile
- rubocop_0.81.gemfile
- rubocop_0.86.gemfile
- rubocop_1.20.gemfile
- - thread_safety.rb
- rubocop-thread_safety.rb
- - thread_safety_spec.rb
- license_spec.rb
- spec_helper.rb
.gitignore
.rspec
.rubocop.yml
.travis.yml
Appraisals
Gemfile
LICENSE.txt
Rakefile
README.md
rubocop-thread_safety.gemspec

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/covermymeds/rubocop-thread_safety

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd rubocop-thread_safety

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Ruby

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Ruby bundle 명령어를 쓰려면 Ruby가 필요합니다.

$ bundle

이 명령어를 터미널에 그대로 입력해 실행하세요.

✅ bundle install이 에러 없이 끝나면 README에 안내된 실행 명령어(예: rails server)로 마저 실행해보세요.

이 레포의 README에 적힌 실제 명령어를 그대로 가져왔습니다.

// repository documentation

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# RuboCop::ThreadSafety

## Notice of official fork

This project is now part of the RuboCop organization at [rubocop/rubocop-thread_safety](https://github.com/rubocop/rubocop-thread_safety). Please follow development there.

---

Thread-safety analysis for your projects, as an extension to
[RuboCop](https://github.com/bbatsov/rubocop).

## Installation and Usage

### Installation into an application

Add this line to your application's Gemfile (using `require: false` as it's a standalone tool):

```ruby
gem 'rubocop-thread_safety', require: false
```

Install it with Bundler by invoking:

$ bundle

Add this line to your application's `.rubocop.yml`:

require: rubocop-thread_safety

Now you can run `rubocop` and it will automatically load the RuboCop
Thread-Safety cops together with the standard cops.

### Scanning an application without adding it to the Gemfile

Install the gem:

$ gem install rubocop-thread_safety

Scan the application for just thread-safety issues:

$ rubocop -r rubocop-thread_safety --only ThreadSafety,Style/GlobalVars,Style/ClassVars,Style/MutableConstant

### Configuration

There are some added [configuration options](https://github.com/covermymeds/rubocop-thread_safety/blob/master/config/default.yml) that can be tweaked to modify the behaviour of these thread-safety cops.

### Correcting code for thread-safety

There are a few ways to improve thread-safety that stem around avoiding
unsynchronized mutation of state that is shared between multiple threads.

State shared between threads may take various forms, including:

* Class variables (`@@name`). Note: these affect child classes too.
* Class instance variables (`@name` in class context or class methods)
* Constants (`NAME`). Ruby will warn if a constant is re-assigned to a new value but will allow it. Mutable objects can still be mutated (e.g. push to an array) even if they are assigned to a constant.
* Globals (`$name`), with the possible exception of some special globals provided by ruby that are documented as thread-local like regular expression results.
* Variables in the scope of created threads (where `Thread.new` is called).

Improvements that would make shared state thread-safe include:

* `freeze` objects to protect against mutation. Note: `freeze` is shallow, i.e. freezing an array will not also freeze its elements.
* Use data structures or concurrency abstractions from [concurrent-ruby](https://github.com/ruby-concurrency/concurrent-ruby), e.g. `Concurrent::Map`
* Use a `Mutex` or similar to `synchronize` access.
* Use [`ActiveSupport::CurrentAttributes`](https://api.rubyonrails.org/classes/ActiveSupport/CurrentAttributes.html)
* Use [`RequestStore`](https://github.com/steveklabnik/request_store)
* Use `Thread.current[:name]`

## Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).

## Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/covermymeds/rubocop-thread_safety.

## Copyright

Copyright (c) 2016-2022 CoverMyMeds.
See [LICENSE.txt](LICENSE.txt) for further details.