Class: RSpec::Support::ReentrantMutex

Inherits:

Object

• Object
• RSpec::Support::ReentrantMutex

Defined in:

lib/rspec/support/reentrant_mutex.rb

Overview

Allows a thread to lock out other threads from a critical section of code, while allowing the thread with the lock to reenter that section.

Based on Monitor as of 2.2 - github.com/ruby/ruby/blob/eb7ddaa3a47bf48045d26c72eb0f263a53524ebc/lib/monitor.rb#L9

Depends on Mutex, but Mutex is only available as part of core since 1.9.1:

exists - http://ruby-doc.org/core-1.9.1/Mutex.html
dne    - http://ruby-doc.org/core-1.9.0/Mutex.html

Instance Method Summary

• #initialize ⇒ ReentrantMutex constructor

  A new instance of ReentrantMutex.

• #synchronize ⇒ Object

Constructor Details

#initialize ⇒ ReentrantMutex

Returns a new instance of ReentrantMutex.

# File 'lib/rspec/support/reentrant_mutex.rb', line 15

def initialize
  @owner = nil
  @count = 0
  @mutex = Mutex.new
end

Instance Method Details

#synchronize ⇒ Object

# File 'lib/rspec/support/reentrant_mutex.rb', line 21

def synchronize
  enter
  yield
ensure
  exit
end