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cleanup is part of the external interface

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Since there's no EXIT trap in plain sh, the main script must call it
explicitly when it exits.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-04-26 22:29:12 +02:00
parent 93aaf2e998
commit d9b3209f51
1 changed files with 6 additions and 3 deletions
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9
programs/demo_common.sh
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@ -101,15 +101,18 @@ EOF
## The file names must not contain whitespace characters. ## The file names must not contain whitespace characters.
files_to_clean= files_to_clean=
## Call this function at the end of each script.
## It is called automatically if the script is killed by a signal.
cleanup () {
rm -f -- $files_to_clean
}
################################################################ ################################################################
## End of the public interfaces. Code beyond this point is not ## End of the public interfaces. Code beyond this point is not
## meant to be called directly from a demo script. ## meant to be called directly from a demo script.
cleanup () {
rm -f -- $files_to_clean
}
trap 'cleanup; trap - HUP; kill -HUP $$' HUP trap 'cleanup; trap - HUP; kill -HUP $$' HUP
trap 'cleanup; trap - INT; kill -INT $$' INT trap 'cleanup; trap - INT; kill -INT $$' INT
trap 'cleanup; trap - TERM; kill -TERM $$' TERM trap 'cleanup; trap - TERM; kill -TERM $$' TERM