1 files changed, 44 insertions, 0 deletions
diff --git a/sys-auth/realtime-base/realtime-base-0.1-r1.ebuild b/sys-auth/realtime-base/realtime-base-0.1-r1.ebuild
new file mode 100644
index 000000000000..dcd0207aef94
--- /dev/null
+++ b/sys-auth/realtime-base/realtime-base-0.1-r1.ebuild
@@ -0,0 +1,44 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="Sets up realtime scheduling"
+HOMEPAGE="https://jackaudio.org/faq/linux_rt_config.html"
+SRC_URI=""
+
+LICENSE="public-domain"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~s390 sparc x86"
+IUSE=""
+
+DEPEND=""
+RDEPEND="acct-group/realtime
+	sys-libs/pam"
+
+S="${WORKDIR}"
+
+limitsdfile=40-${PN}.conf
+rtgroup=realtime
+
+src_compile() {
+	einfo "Generating ${limitsdfile}"
+	cat > ${limitsdfile} <<- EOF || die
+		# Start of ${limitsdfile} from ${P}
+
+		@${rtgroup}	-	rtprio	99
+		@${rtgroup}	-	memlock	unlimited
+
+		# End of ${limitsdfile} from ${P}
+	EOF
+}
+
+src_install() {
+	insinto /etc/security/limits.d/
+	doins ${limitsdfile}
+}
+
+pkg_postinst() {
+	elog "We have added realtime scheduling privileges for users in the ${rtgroup} group."
+	elog "Please make sure users needing such privileges are in that group."
+}