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# Copyright © 2012, Kim Burgestrand kim@burgestrand.se
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the “Software”), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require 'thread'
# Simple thread pool [1].
class Pool
def initialize(size)
@size = Integer size
@jobs = Queue.new
@pool = Array.new(@size) do |i|
Thread.new do
Thread.current[:id] = i
catch(:exit) do
loop do
job, args = @jobs.pop
job.call(*args)
end
end
end
end
end
def queue(*args, &block)
@jobs << [block, args]
end
def shutdown
@size.times do
schedule { throw :exit }
end
@pool.map(&:join)
end
end
# References:
# [1]: http://burgestrand.se/code/ruby-thread-pool/
Version data entries
10 entries across 10 versions & 1 rubygems