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trustfence: make sign script threadsafe 

Ensure that the signing script is not executed in parallel. This is required in
order to avoid problems during PKI generation and CST usage when building with
Yocto or the Android build system.

https://jira.digi.com/browse/DEL-2849

Signed-off-by: Diaz de Grenu, Jose <Jose.DiazdeGrenu@digi.com>
This commit is contained in:
Diaz de Grenu, Jose 2016-11-09 16:59:44 +01:00
parent e0b7905d67
commit ed22789224
1 changed files with 7 additions and 0 deletions
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7
meta-digi-arm/recipes-digi/trustfence/trustfence-sign-tools/trustfence-sign-kernel.sh
View File

@ -22,6 +22,13 @@
#
#===============================================================================
# Avoid parallel execution of this script
SINGLE_PROCESS_LOCK="/tmp/sign_script.lock.d"
trap 'rm -rf "${SINGLE_PROCESS_LOCK}"' INT TERM EXIT
while ! mkdir "${SINGLE_PROCESS_LOCK}" > /dev/null 2>&1; do
sleep 1
done
SCRIPT_NAME="$(basename ${0})"
SCRIPT_PATH="$(cd $(dirname ${0}) && pwd)"