From: "James M. Lawrence" <quixoticsycophant@...>
Date: 2009-02-16T05:11:57+09:00
Subject: [ruby-core:22159] Thread#abort_on_exception behavior

Is this difference between 1.8 and 1.9 expected?

% cat aoe.rb
require 'thread'

Thread.abort_on_exception = true

Thread.new {
  sleep(1)
  throw "exception from thread"
}

begin
  sleep
rescue => e
  puts "rescued: #{e.inspect}"
end

% ruby191 -v aoe.rb
ruby 1.9.1p0 (2009-02-13 revision 22266) [i386-darwin9.6.0]
rescued: #<ArgumentError: uncaught throw "exception from thread">

% ruby19dev -v aoe.rb
ruby 1.9.2dev (2009-02-16 trunk 22334) [i386-darwin9.6.0]
rescued: #<ArgumentError: uncaught throw "exception from thread">

% ruby187 -v aoe.rb
ruby 1.8.7 (2009-02-15 patchlevel 118) [i686-darwin9.6.0]
aoe.rb:7:in `throw': uncaught throw `exception from thread' in thread
0x804400 (ThreadError)
	from aoe.rb:7
	from aoe.rb:5:in `initialize'
	from aoe.rb:5:in `new'
	from aoe.rb:5

% ruby186 -v aoe.rb
ruby 1.8.6 (2009-02-15 patchlevel 332) [i686-darwin9.6.0]
aoe.rb:7:in `throw': uncaught throw `exception from thread' in thread
0x800600 (ThreadError)
	from aoe.rb:7
	from aoe.rb:5:in `initialize'
	from aoe.rb:5:in `new'
	from aoe.rb:5