[Bug 892317] Re: set -e reverses order of signal handlers
Jarno Suni
892317 at bugs.launchpad.net
Mon Jul 6 08:24:27 UTC 2020
If you can confirm, please update the report.
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https://bugs.launchpad.net/bugs/892317
Title:
set -e reverses order of signal handlers
Status in dash:
New
Status in dash package in Ubuntu:
New
Bug description:
When `-e` is not specified, an INT signal handler runs before an EXIT
signal handler; when -e is specified, the EXIT signal handler is run
(but only one of its statements) and then the INT signal handler is
run.
:; /bin/dash < ./trap.sh
^Ctrapped: SIG_
trapped: EXIT 2
next part
:; /bin/dash -e < ./trap.sh
^Ctrapped: EXIT 130
trapped: SIG_
With `bash --posix` or `busybox sh`, the order of signal handlers is
the same no matter whether `-e` is specified or no. Please see the
attached script, `trap.sh`.
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