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CISS.debian.installer/lib/0103_arg_priority_check.sh
2025-07-25 13:11:30 +02:00

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#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
guard_sourcing
#######################################
# Check and setup Script Priorities
# Globals:
# GRE
# RES
# NL
# VAR_PRIORITY
# VAR_REIONICE_CLASS
# VAR_REIONICE_PRIORITY
# Arguments:
# None
#######################################
arg_priority_check() {
declare var
### Check if nice PRIORITY is set and adjust nice priority.
if [[ -n "${VAR_PRIORITY}" ]]; then
renice "${VAR_PRIORITY}" -p "$$" > /dev/null 2>&1
var=$(ps -o ni= -p $$) > /dev/null 2>&1
do_log "info" "tty" "New renice value: '${var}'."
fi
### Check if ionice PRIORITY is set and adjust ionice priority.
if [[ -n "${VAR_REIONICE_CLASS}" ]]; then
ionice -c"${VAR_REIONICE_CLASS}" -n"${VAR_REIONICE_PRIORITY}" -p "$$"
var=$(ionice -p $$) > /dev/null 2>&1
do_log "info" "tty" "New ionice value: '${var}'."
fi
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh