Class: Mutex

Inherits:

NSObject

• Object
• NSObject
• Mutex

show all

Overview

require 'thread'
semaphore = Mutex.new

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

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

Class Method Summary (collapse)

• + alloc

  :nodoc:.

Instance Method Summary (collapse)

• - new constructor

  Creates a new Mutex.

• - lock

  Attempts to grab the lock and waits if it isn't available.

• - locked?

  Returns true if this lock is currently held by some thread.

• - sleep

  Releases the lock and sleeps timeout seconds if it is given and non-nil or forever.

• - synchronize { ... }

  Obtains a lock, runs the block, and releases the lock when the block completes.

• - try_lock

  Attempts to obtain the lock and returns immediately.

• - unlock

  Releases the lock.

Methods inherited from NSObject

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