Class: RSpec::Support::ReentrantMutex

Inherits:
Object
  • Object
show all
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 collapse

Constructor Details

#initialize ⇒ ReentrantMutex

Returns a new instance of ReentrantMutex.



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

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

Instance Method Details

#synchronize ⇒ Object 



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

def synchronize
  enter
  yield
ensure
  exit
end