Class: Threads
- Inherits:
-
Object
- Object
- Threads
- Defined in:
- lib/threads.rb
Overview
Threads.
- Author
-
Yegor Bugayenko ([email protected])
- Copyright
-
Copyright © 2018 Yegor Bugayenko
- License
-
MIT
Instance Method Summary collapse
- #assert(reps = 0) ⇒ Object
-
#initialize(total = Concurrent.processor_count * 8) ⇒ Threads
constructor
A new instance of Threads.
Constructor Details
#initialize(total = Concurrent.processor_count * 8) ⇒ Threads
Returns a new instance of Threads.
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# File 'lib/threads.rb', line 32 def initialize(total = Concurrent.processor_count * 8) @total = total end |
Instance Method Details
#assert(reps = 0) ⇒ Object
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# File 'lib/threads.rb', line 36 def assert(reps = 0) done = Concurrent::AtomicFixnum.new cycles = Concurrent::AtomicFixnum.new pool = Concurrent::FixedThreadPool.new(@total) latch = Concurrent::CountDownLatch.new(1) @total.times do |t| pool.post do Thread.current.name = "assert-thread-#{t}" latch.wait(10) loop do begin yield t rescue StandardError => e puts Backtrace.new(e) raise e end cycles.increment break if cycles.value > reps end done.increment end end latch.count_down pool.shutdown raise "Can't stop the pool" unless pool.wait_for_termination(30) return if done.value == @total raise "Only #{done.value} out of #{@total} threads completed successfully" end |