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Bug #12991
closedDocumentation of Thread.abort_on_exception is wrong: it raises error again in main thread
Description
Currently, ruby doc says that:
When set to true, all threads will abort (the process will exit(0)) if an exception is raised in any thread.
But actually, the error raised in thread (with abort_on_exception = true) will be re-raised in main thread.
If main thread is running in begin-rescue for that error, the process (and other threads) will NOT abort.
sleeping = false
Thread.abort_on_exception = true
th = Thread.new do
sleep 0.1 until sleeping
raise "yay"
end
begin
sleeping = true
sleep 5
rescue => e
p(here: "rescue in main thread", error: e)
end
p "foo!"
This script shows "p" result and "foo!".
I think the document is misleading.
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