Class: Concurrent::AtomicFixnum

Inherits:

MutexAtomicFixnum

• Object
• MutexAtomicFixnum
• Concurrent::AtomicFixnum

Defined in:

lib/concurrent/atomic/atomic_fixnum.rb,
lib/concurrent/atomic/atomic_fixnum.rb,
lib/concurrent/atomic/atomic_fixnum.rb

Overview

A numeric value that can be updated atomically. Reads and writes to an atomic fixnum and thread-safe and guaranteed to succeed. Reads and writes may block briefly but no explicit locking is required.

Testing with ruby 2.1.2
Testing with Concurrent::MutexAtomicFixnum...
  3.130000   0.000000   3.130000 (  3.136505)
Testing with Concurrent::CAtomicFixnum...
  0.790000   0.000000   0.790000 (  0.785550)

Testing with jruby 1.9.3
Testing with Concurrent::MutexAtomicFixnum...
  5.460000   2.460000   7.920000 (  3.715000)
Testing with Concurrent::JavaAtomicFixnum...
  4.520000   0.030000   4.550000 (  1.187000)

See Also:

• java.util.concurrent.atomic.AtomicLong

Constant Summary

Constants inherited from MutexAtomicFixnum

MutexAtomicFixnum::MAX_VALUE, MutexAtomicFixnum::MIN_VALUE

Method Summary

Methods inherited from MutexAtomicFixnum

#compare_and_set, #decrement, #increment, #initialize, #value, #value=

Constructor Details

This class inherits a constructor from Concurrent::MutexAtomicFixnum