Class: RSpec::Mocks::Mutex

### Home Classes Methods

### In Files

- lib/rspec/mocks/mutex.rb

### Parent

Object

### Methods

- ::new
- #lock
- #synchronize
- #unlock

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No matching classes.

# RSpec::Mocks::Mutex

On 1.8.7, it's in the stdlib. We don't want to load the stdlib, b/c this is a test tool, and can affect the test environment, causing tests to pass where they should fail.

So we're transcribing/modifying it from github.com/ruby/ruby/blob/v1_8_7_374/lib/thread.rb#L56 Some methods we don't need are deleted. Anything I don't understand (there's quite a bit, actually) is left in.

Some formating changes are made to appease the robot overlord:

    https://travis-ci.org/rspec/rspec-core/jobs/54410874

@private

### Public Class Methods

new() click to toggle source

    # File lib/rspec/mocks/mutex.rb, line 16
    def initialize
      @waiting = []
      @locked = false
      @waiting.taint
      taint
    end

### Public Instance Methods

lock() click to toggle source

@private

    # File lib/rspec/mocks/mutex.rb, line 24
    def lock
      while Thread.critical = true && @locked
        @waiting.push Thread.current
        Thread.stop
      end
      @locked = true
      Thread.critical = false
      self
    end

synchronize() click to toggle source

@private

    # File lib/rspec/mocks/mutex.rb, line 44
    def synchronize
      lock
      begin
        yield
      ensure
        unlock
      end
    end

unlock() click to toggle source

@private

    # File lib/rspec/mocks/mutex.rb, line 35
    def unlock
      return unless @locked
      Thread.critical = true
      @locked = false
      wakeup_and_run_waiting_thread
      self
    end

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