#420: GCD serial dispatch queues and groups that contain serial queues do not
take surrounding scope reliably within loops/enumerators
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Reporter: johnmacs...@… | Owner: lsansone...@…
Type: defect | Status: closed
Priority: blocker | Milestone: MacRuby 0.5
Component: MacRuby | Resolution: fixed
Keywords: GCD |
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Changes (by lsansone...@…):
* status: new => closed
* resolution: => fixed
* milestone: => MacRuby 0.5
Comment:
I looked at your test script, extracted the first snippet and tested it
with ToT (r3056). It seems to work as expected. I had to modify your
snippet to use a group in order to wait for pending blocks (otherwise the
program exists prematurely).
{{{
$ cat t.rb
lock = Dispatch::Queue.new("org.johnmacshea.lock")
group = Dispatch::Group.new
results = []
100.times do |index|
serial = Dispatch::Queue.new("org.johnmacshea.serial_#{index}")
group.dispatch(serial) do
sleep rand(5)
p index
lock.dispatch {results << "#{index}"}
end
end
group.wait
}}}
--
Ticket URL: <http://www.macruby.org/trac/ticket/420#comment:2>
MacRuby <http://macruby.org/>
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