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Bug #12302

closed

at_exit status status is changed by raising/rescueing a exception in at_exit

Bug #12302: at_exit status status is changed by raising/rescueing a exception in at_exit

Added by grosser (Michael Grosser) over 9 years ago. Updated over 9 years ago.

Status:
Closed
Assignee:
ReiOdaira (Rei Odaira)
Target version:
-
ruby -v:
-
Backport:
2.1: REQUIRED, 2.2: DONE, 2.3: DONE
[ruby-core:75038]

Description

at_exit do
  puts "1 #{$!}"
end

at_exit do
  puts "2 #{$!}"
  raise 'x' rescue nil
end

at_exit do
  puts "3 #{$!}"
  exit 1
end

Nr 3 runs first and exits 1 ... Nr2 receives the correct exit status ... but using raise/rescue there overrides $! and Nr 1 thinks it is a clean exit ...

seems semi related to https://bugs.ruby-lang.org/issues/5218 ... ideally the at_exit block should restore the previous $! ... or give some other way of knowing the exit status like passing it to the block

at_exit do |exception|
   ...
end
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