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53 lines
1.5 KiB
53 lines
1.5 KiB
4 years ago
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# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI="7"
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inherit linux-info systemd
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DESCRIPTION="Modify realtime scheduling policy and priority of IRQ handlers"
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HOMEPAGE="https://www.rncbc.org/archive/#rtirq"
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SRC_URI="https://www.rncbc.org/archive/${P}.tar.gz
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https://www.rncbc.org/archive/old/${P}.tar.gz"
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LICENSE="GPL-2+"
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SLOT="0"
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KEYWORDS="~amd64 ~x86"
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src_prepare() {
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# Correct config file path.
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sed -i -e "s:^\(RTIRQ_CONFIG\=\)\(.*\):\1/etc/conf.d/rtirq:" ${PN}.sh || die
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sed -i -e "s:/etc/sysconfig/rtirq:/etc/conf.d/rtirq:" ${PN}.conf || die
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sed -i -e "s:/etc/init.d/rtirq:/usr/bin/rtirq:" ${PN}{,-resume}.service || die
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default
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}
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src_install() {
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newbin rtirq.sh rtirq
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newinitd "${FILESDIR}"/rtirq.initd rtirq
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newconfd rtirq.conf rtirq
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systemd_dounit rtirq{,-resume}.service
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}
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pkg_postinst() {
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local kconfig_warn=1
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local cmdline
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if linux-info_get_any_version && linux_config_exists; then
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if linux_chkconfig_present PREEMPT_RT; then
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kconfig_warn=0
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elif linux_chkconfig_present IRQ_FORCED_THREADING; then
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cmdline=$(< /proc/cmdline) || die
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[[ ${cmdline} == *threadirqs* ]] && kconfig_warn=0
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fi
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fi
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if (( ${kconfig_warn} )); then
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ewarn "To use rtirq, you need one of the following kernel configurations:"
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ewarn " - PREEMPT_RT config option enabled (e.g. with sys-kernel/rt-sources);"
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ewarn " - IRQ_FORCED_THREADING config option enabled and 'threadirqs' option"
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ewarn " added to the kernel cmdline."
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fi
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}
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