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Bug #17666
closedThread#join hangs when Fiber.set_scheduler is set
Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
-
ruby -v:
ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [x86_64-darwin19]
Backport:
Description
class MockScheduler
def block(blocker, timeout = nil)
byebug
end
def close
byebug
end
def fiber(&block)
byebug
Fiber.new(blocking: false, &block).tap(&:resume)
end
def io_wait(io, events, timeout)
byebug
end
def kernel_sleep(duration=nil)
byebug
Fiber.yield
end
def process_wait(pid, flags)
byebug
end
def unblock(blocker, fiber)
byebug
end
end
Fiber.set_scheduler(MockScheduler.new)
t1 = Thread.new do
p 'before'
sleep 1
p 'after'
end
t1.join
Code hangs at this point.
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