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Type:
Class

Mutex implements a simple semaphore that can be used to coordinate access to shared data from multiple concurrent threads.

Example:

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require 'thread'
semaphore = Mutex.new
 
a = Thread.new {
  semaphore.synchronize {
    # access shared resource
  }
}
 
b = Thread.new {
  semaphore.synchronize {
    # access shared resource
  }
}
lock
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.lock â self Instance Public methods Attempts to grab the lock and waits

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new
  • References/Ruby on Rails/Ruby/Classes/Mutex

Mutex.new â mutex Class Public methods Creates a new

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try_lock
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.try_lock â true or false Instance Public methods Attempts to obtain

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owned?
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.owned? â true or false Instance Public methods Returns true

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sleep
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.sleep(timeout = nil) â number Instance Public methods Releases the

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locked?
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.locked? â true or false Instance Public methods Returns true

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unlock
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.unlock â self Instance Public methods Releases the lock. Raises

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synchronize
  • References/Ruby on Rails/Ruby/Classes/Mutex

mutex.synchronize { ... } â result of the block Instance Public methods Obtains

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