Ignore SIGINT
#73
Merged
Ignore SIGINT
#73
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Bash runs
_before_commandand_after_commandeven on receivingSIGINTwhen it is idle. Holding down the keys to repeatedly sendSIGINTs causes this program to crash for unclear reasons. Hence, ignore the signal. (This is a short-running program, after all.) Also, revert to using the exception-throwing functions (see 5e5f44a) because an exception not thrown has close to (if not exactly) zero cost.