Mutex

Type:

Class

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

Example:

require 'thread'
semaphore = Mutex.new

a = Thread.new {
  semaphore.synchronize {
    # access shared resource
  }
}

b = Thread.new {
  semaphore.synchronize {
    # access shared resource
  }
}

lock

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

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try_lock

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

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new

Mutex.new â mutex Class Public methods Creates a new

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owned?

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

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sleep

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

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locked?

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

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unlock

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

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synchronize

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

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