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• 2.5.0
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• SC2173.html

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org.sonar.l10n.shellcheck.rules.shellcheck.SC2173.html Maven / Gradle / Ivy

SIGKILL/SIGSTOP can not be trapped.
Problematic code
trap 'echo "unkillable"' KILL

Correct code
Not applicable. This is not possible.
Rationale
SIGKILL and SIGSTOP can not be caught/ignored (according to POSIX and as implemented on platforms including Linux and FreeBSD). Trying to trap this signal has undefined results.
Exceptions
None. If you come across one, please file an issue about it.