sys-process/rtirq: Version bump to 20191121

Also move rtirq script into /usr/bin.

Signed-off-by: Alexander Tsoy <alexander@tsoy.me>
Signed-off-by: Joonas Niilola <juippis@gentoo.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/sys-process/rtirq/rtirq-20191121.ebuild b/sys-process/rtirq/rtirq-20191121.ebuild
new file mode 100644
index 000000000000..f936e02182f4
--- /dev/null
+++ b/sys-process/rtirq/rtirq-20191121.ebuild
@@ -0,0 +1,52 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+inherit linux-info systemd
+
+DESCRIPTION="Modify realtime scheduling policy and priority of IRQ handlers"
+HOMEPAGE="https://www.rncbc.org/archive/#rtirq"
+SRC_URI="https://www.rncbc.org/archive/${P}.tar.gz
+	https://www.rncbc.org/archive/old/${P}.tar.gz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+src_prepare() {
+	# Correct config file path.
+	sed -i -e "s:^\(RTIRQ_CONFIG\=\)\(.*\):\1/etc/conf.d/rtirq:" ${PN}.sh || die
+	sed -i -e "s:/etc/sysconfig/rtirq:/etc/conf.d/rtirq:" ${PN}.conf || die
+	sed -i -e "s:/etc/init.d/rtirq:/usr/bin/rtirq:" ${PN}{,-resume}.service || die
+
+	default
+}
+
+src_install() {
+	newbin rtirq.sh rtirq
+	newinitd "${FILESDIR}"/rtirq.initd rtirq
+	newconfd rtirq.conf rtirq
+	systemd_dounit rtirq{,-resume}.service
+}
+
+pkg_postinst() {
+	local kconfig_warn=1
+	local cmdline
+
+	if linux-info_get_any_version && linux_config_exists; then
+		if linux_chkconfig_present PREEMPT_RT; then
+			kconfig_warn=0
+		elif linux_chkconfig_present IRQ_FORCED_THREADING; then
+			cmdline=$(< /proc/cmdline) || die
+			[[ ${cmdline} == *threadirqs* ]] && kconfig_warn=0
+		fi
+	fi
+
+	if (( ${kconfig_warn} )); then
+		ewarn "To use rtirq, you need one of the following kernel configurations:"
+		ewarn " - PREEMPT_RT config option enabled (e.g. with sys-kernel/rt-sources);"
+		ewarn " - IRQ_FORCED_THREADING config option enabled and 'threadirqs' option"
+		ewarn "   added to the kernel cmdline."
+	fi
+}