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- # Non-empty traps should be reset in subshell
- # HUP is special in interactive shells
- trap '' HUP
- # QUIT is always special
- trap '' QUIT
- # SYS is not special
- trap '' SYS
- # WINCH is harmless
- trap 'bad: caught WINCH' WINCH
- # With TERM we'll check whether it is reset
- trap 'bad: caught TERM' TERM
- (trap; "$THIS_SH" -c 'kill -HUP $PPID'; echo Ok)
- (trap; "$THIS_SH" -c 'kill -QUIT $PPID'; echo Ok)
- (trap; "$THIS_SH" -c 'kill -SYS $PPID'; echo Ok)
- (trap; "$THIS_SH" -c 'kill -WINCH $PPID'; echo Ok)
- (trap; "$THIS_SH" -c 'kill -TERM $PPID'; echo Bad: TERM is not reset)
- echo Done
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