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Showing content from http://ruby-concurrency.github.io/concurrent-ruby/master/Concurrent/CountDownLatch.html below:

Class: Concurrent::CountDownLatch — Concurrent Ruby

Inherits:

CountDownLatchImplementation

• Object
• Concurrent::CountDownLatch

show all

Defined in:

lib/concurrent-ruby/concurrent/atomic/count_down_latch.rb

A synchronization object that allows one thread to wait on multiple other threads. The thread that will wait creates a CountDownLatch and sets the initial value (normally equal to the number of other threads). The initiating thread passes the latch to the other threads then waits for the other threads by calling the #wait method. Each of the other threads calls #count_down when done with its work. When the latch counter reaches zero the waiting thread is unblocked and continues with its work. A CountDownLatch can be used only once. Its value cannot be reset.

• #count ⇒ Fixnum

  The current value of the counter.

• #count_down ⇒ undocumented

  Signal the latch to decrement the counter.

• #initialize(count = 1) ⇒ undocumented constructor

  Create a new CountDownLatch with the initial count.

• #wait(timeout = nil) ⇒ Boolean

  Block on the latch until the counter reaches zero or until timeout is reached.

Create a new CountDownLatch with the initial count.

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# File 'lib/concurrent-ruby/concurrent/atomic/count_down_latch.rb', line 98

class CountDownLatch < CountDownLatchImplementation
end

The current value of the counter.

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# File 'lib/concurrent-ruby/concurrent/atomic/count_down_latch.rb', line 98

class CountDownLatch < CountDownLatchImplementation
end

Signal the latch to decrement the counter. Will signal all blocked threads when the count reaches zero.

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# File 'lib/concurrent-ruby/concurrent/atomic/count_down_latch.rb', line 98

class CountDownLatch < CountDownLatchImplementation
end

Block on the latch until the counter reaches zero or until timeout is reached.

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# File 'lib/concurrent-ruby/concurrent/atomic/count_down_latch.rb', line 98

class CountDownLatch < CountDownLatchImplementation
end

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