14 files changed, 721 insertions, 0 deletions
diff --git a/dev-libs/libcgroup/Manifest b/dev-libs/libcgroup/Manifest
new file mode 100644
index 000000000000..bceaa8c2743d
--- /dev/null
+++ b/dev-libs/libcgroup/Manifest
@@ -0,0 +1,14 @@
+AUX cgconfig.confd 131 BLAKE2B f27cde041032bf921c76b3911283021c5106d1cca47455fe72b95d83a07e98438f832bf0e3c2b78ac2b69b042e1c0e0c10bfa3d6472570c6f5847d28556e6b6b SHA512 9bb289c20c3230414888e82be2b7a1389ac652143bcbbc746d0731c46a2f1404b4bc8154c90b59ebc53520107fe2f04c9eb5df742451887947b8a3b7a4c31f00
+AUX cgconfig.confd-r1 205 BLAKE2B e68daec204e2daa5103bcba2e2e40cd93c9e3d97d85927f21f84443efb8281bdb2464f75f0b9e33244557d4b119e32d774191c20a3e7d50752a2df2204cfda5d SHA512 f5f1d0d09266417276f93434ad47116452e1ab18d736ce08e7c63f797b2d2180a490cdef1f3dd9d960c88426f1dc5b12dcf72b09de765d52d281feceffe7550d
+AUX cgconfig.initd 2923 BLAKE2B 5a7ba5cb3ce260dae0b20a428e6d8787d8749e14109273610a329f9d1daa15ed3d641e246e32e7721aa3c186ecc75ebe7f87dbf3a5f1fc3ece1b8da3755c64a4 SHA512 705b6df9ac93e8978dc697c497344096cad2b01961eb5c7b4a3ab89e80dc904b5d0076ad3b1e0478e1a86bcffe37b37591f001efcb21eb6f8b68cd14edc7c006
+AUX cgconfig.initd-r1 1052 BLAKE2B 6da1fed6741a9f21e31506f6306a5a10d8e82ed1e65ed0b53e6ee466d5496b25f5aaf521a037755d6ee87bb4c520a7915880f040ba99dd6a0f8f279d913bb810 SHA512 66303411c98355b1fe5e0eb58b797887f9971604902afb2f95738b64b1fd9dd42fc8cb22c65e10c264d68ef2d7cd85f58247fed08d650ccbe0a5756ec780ea3c
+AUX cgred.confd 485 BLAKE2B 93bb177b184deb718836e0abba411fd6f007cf376bebe2babe8f6567df3255ee3316c2b7a2e14a5a31f141b2dcf0fa55c199ebc54a795e125f00dcfcd2155752 SHA512 871b7e7df26bf6b4164d5ec04e9998b0bd3f354e75ba2306b330e382eadd38ad044f85cfaa122a5a2e600fb4f39e1a7fe7778551a05dfc3e0ae095621c965996
+AUX cgred.confd-r2 160 BLAKE2B 17bc7c1ce54d490071324a670ecb150027e322c938f305930330a8505af3b9f332e8a80b25ae65a363319c2e14b071a4544713179cbf6882d92063e744bf4bda SHA512 5b83b2413e36184671cfd7d654fa0b06940360790aed3c235cdb8eb168c17a703c1a72654fdbf57459ac493f79fd87e90deb33e89297929ca5f681dfa80a7078
+AUX cgred.initd 950 BLAKE2B eb42533e40d33af728a460bb495a62a39662cea47edbb2223c880092ea9b792423ad4a1873a2b14846de8640bad575bb7bd5196bddaa565745487cc2fe658cf5 SHA512 cfa70c25c40c29d3dc1249f808f58365fa5ec09f4918edd971ac088a33a810cefa15c7ccf5b7ce75813301b104bf5fad23f752363600c10af7f1ecbb30f4aa15
+AUX cgred.initd-r1 457 BLAKE2B 6d2a79af91daaf77be9530d69473aa8b67c24fc7be2366486b2c2e82ae8962160576d8d778c5ac817aeb17a9371b1db0127853a4c431844d268a9e371755a8f1 SHA512 2ef66c697b56e4c29c4a224480a6a7270205359d254c07847e57feb8d5e219cd0d0c2c4f6161f9e6c001f14a9419f9be18b3fd1750d7b4e5a0082985821062bc
+AUX libcgroup-0.41-reorder-headers.patch 953 BLAKE2B dcc4936227cfc67ddc0c32b207403326236b22a05814349385833a887598014277e99744825e4d6ec0e64ccdf35bb19b470d685d5f2ebf1957130ea1af071a01 SHA512 4f8d4b49668dc0ddae373ab922422a0e933cb6c46af05d01da498c657b5a8df1ea62e644b8ac3db7e7818d33ba21c06d1902b7915f6aaf76f8f96107515433d4
+AUX libcgroup-0.41-replace_DECLS.patch 5193 BLAKE2B d22bded7e356b31e9f1e8ceec50f7987311f36453ffd13acaf48e95eacce06052c19a89aedfbcd068218a5fdefc26e5aec737d1c00576f25fdef0b1fe658513a SHA512 c7601810e491764c30e8adfadd65e1b1b578a07af24df62cc9a7b291622d806fc196a98e01957b5acbd3bca072617bd0ff54cae200a8e6c21b5cca4d18cd45db
+AUX libcgroup-0.41-replace_INLCUDES.patch 3064 BLAKE2B 1947d306117beb62dba48d46b9e3caa7e2d5195c6d661b2d061c982220b7d3d92d42d4ef23172e34bf32be2e54b6c82c531aa839432e0489c2abe463b93e25f4 SHA512 17c8fa471347da4973969b954f966501d54889050766dfdd225235dd4539bb4249d57e719fa7a894aadc2e0f7296d233c89c44c96291a9266c958ca3a319541b
+DIST libcgroup-0.41.tar.bz2 500120 BLAKE2B 3410b430aa58613b5b9abedba05bef99b1b8a1fd619d55fb446ab951e052a336efc918879217055bceee886a03d97c3ff46028a87e8231212653a886cfb80521 SHA512 1aedb02cd2ce3bc2e2a328a247a92976ad0978ca4d3aee4eb671fbcc6bb270348efc78dcf84f27fc500f8bfb9bb57c7d6e4d429ef2bc69e4e5118b7cd895a6bd
+EBUILD libcgroup-0.41-r4.ebuild 2238 BLAKE2B f75aebe90185575c88a447cf21f16044f0a59a45e8b5489a7bccfd000e62294039bbd9e71579bd5ae1beee572a078ffcdff63a8f8cd71bcdc53ef0cf8d8e9ba6 SHA512 0e480164da2bcf1da53a63d9d41afe645d4cdb3d2559b1dced7973381eda939d123e088b174a37410a01b2afe5134ebbe95faa46f28a2ca5d544d4e8db0813c7
+MISC metadata.xml 700 BLAKE2B 4638c1287da7cb72c04f77ab1f8c9a46888f0c45194a1221fcc03e2f0ea0b148e7edd4608d2bf61a527dcd8f1701f91a123ecde3118b5f93bad67e56afd6e714 SHA512 faddc728ee6971cbf5e52bc89999f3bec9d312fe04d2c876a2ee69e6533ca1ba85350d0b504bff0c7da668b58a3531606fb3d67cb4f6925c08f65df2190ec0c1
diff --git a/dev-libs/libcgroup/files/cgconfig.confd b/dev-libs/libcgroup/files/cgconfig.confd
new file mode 100644
index 000000000000..e41730ae0ea5
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgconfig.confd
@@ -0,0 +1,4 @@
+# /etc/conf.d/cgconfig: config file for /etc/init.d/cgconfig
+
+# Configuration file location
+#CONFIG_FILE=/etc/cgroup/cgconfig.conf
diff --git a/dev-libs/libcgroup/files/cgconfig.confd-r1 b/dev-libs/libcgroup/files/cgconfig.confd-r1
new file mode 100644
index 000000000000..334958ef3b8f
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgconfig.confd-r1
@@ -0,0 +1,7 @@
+# /etc/conf.d/cgconfig: config file for /etc/init.d/cgconfig
+
+# Configuration file location
+CG_CONFIGFILE=/etc/cgroup/cgconfig.conf
+
+# Enable calssifying pid according to rules if necessary
+CG_CLASSIFY=No
diff --git a/dev-libs/libcgroup/files/cgconfig.initd b/dev-libs/libcgroup/files/cgconfig.initd
new file mode 100644
index 000000000000..f182b92ff843
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgconfig.initd
@@ -0,0 +1,117 @@
+#!/sbin/openrc-run
+#
+# Control Groups Configuration Startup
+#
+# This script runs the cgconfigparser utility to parse and setup
+# the control group filesystem. It uses ${CONFIG_FILE}
+# and parses the configuration specified in there.
+#
+CGCONFIGPARSER="/usr/sbin/cgconfigparser"
+CGROUP_FS="cgroup"
+CONFIG_FILE=${CONFIG_FILE:-"/etc/cgroup/cgconfig.conf"}
+MOUNTS_FILE="/proc/mounts"
+RULES_FILE="/etc/cgroup/cgrules.conf"
+
+# Support multiple mount points
+MAX_INDEX=0
+declare -a MOUNT_POINTS MOUNT_OPTIONS
+
+move_all_to_init_class() {
+	local i
+	for i in $(seq 1 ${MAX_INDEX}); do
+		cd ${MOUNT_POINTS[$i]}
+
+		if grep -qw ${MOUNT_POINTS[$i]} ${MOUNTS_FILE}; then
+			local directory
+			for directory in $(find . -depth -type d); do
+				if [[ ${directory} != "." ]]; then
+					# cat fails with "Argument list too long" error
+					sed -nu p < ${directory}/tasks > tasks
+					rmdir ${directory}
+				fi
+			done
+		else
+			ewarn "Resource control filesystem not mounted"
+		fi
+
+		cd - >/dev/null
+	done
+}
+
+parse_mounts() {
+	local device mount_point fs_type options other
+	while read device mount_point fs_type options other; do
+		if grep -q ${device} <<< ${CGROUP_FS}; then
+			let MAX_INDEX++
+			MOUNT_POINTS[${MAX_INDEX}]=${mount_point}
+			MOUNT_OPTIONS[${MAX_INDEX}]=${options}
+		fi
+	done < ${MOUNTS_FILE}
+}
+
+umount_fs() {
+	local i
+	for i in $(seq 1 ${MAX_INDEX}); do
+		umount ${MOUNT_POINTS[$i]}
+		rmdir ${MOUNT_POINTS[$i]}
+	done
+}
+
+start() {
+	ebegin "Starting cgconfig service"
+
+	# Mount filesystem and create cgroups
+	if ! ${CGCONFIGPARSER} -l ${CONFIG_FILE} >/dev/null; then
+		eend 1 "Failed to parse ${CONFIG_FILE}"
+		return 1
+	fi
+
+	parse_mounts
+
+	# Find default cgroup name in rules file
+	local default_cgroup
+	if [[ -f ${RULES_FILE} ]]; then
+		local user controller
+		read user controller default_cgroup <<< $(grep -m1 '^\*\s' ${RULES_FILE})
+		if [[ $default_cgroup == "*" ]]; then
+			ewarn "${RULES_FILE} incorrect"
+			ewarn "Overriding it"
+			default_cgroup=
+		fi
+	fi
+	# Use predefined name if none was found
+	if [[ -z ${default_cgroup} ]]; then
+		default_cgroup=sysdefault
+	fi
+
+	# Create a default cgroup for tasks to return back to
+	local i
+	for i in $(seq 1 ${MAX_INDEX}); do
+		# Ignore if directory already exists
+		mkdir -p ${MOUNT_POINTS[$i]}/${default_cgroup}
+		find ${MOUNT_POINTS[$i]}/ -name tasks | xargs  chmod a+rw
+		chmod go-w ${MOUNT_POINTS[$i]}/tasks
+
+		# Special rule for cpusets
+		if grep -qw cpuset <<< ${MOUNT_OPTIONS[$i]}; then
+			cat ${MOUNT_POINTS[$i]}/cpuset.cpus > ${MOUNT_POINTS[$i]}/${default_cgroup}/cpuset.cpus
+			cat ${MOUNT_POINTS[$i]}/cpuset.mems > ${MOUNT_POINTS[$i]}/${default_cgroup}/cpuset.mems
+		fi
+
+		# Classify everything to default cgroup
+		local j
+		for j in $(ps --no-headers -eL o tid); do
+			echo $j > ${MOUNT_POINTS[$i]}/${default_cgroup}/tasks 2>/dev/null
+		done
+	done
+
+	eend 0
+}
+
+stop() {
+	ebegin "Stopping cgconfig service"
+	parse_mounts
+	move_all_to_init_class
+	umount_fs
+	eend 0
+}
diff --git a/dev-libs/libcgroup/files/cgconfig.initd-r1 b/dev-libs/libcgroup/files/cgconfig.initd-r1
new file mode 100644
index 000000000000..e0fef9caab21
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgconfig.initd-r1
@@ -0,0 +1,52 @@
+#!/sbin/openrc-run
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+CGCONFIGPARSER="/usr/sbin/cgconfigparser"
+CGCLASSIFY="/usr/sbin/cgclassify"
+:	${CG_CONFIGFILE:=/etc/cgroup/cgconfig.conf}
+description="Control Group Configuration Service"
+
+start()
+{
+	ebegin "Setting up CGroups"
+	${CGCONFIGPARSER} --load=${CG_CONFIGFILE} >/dev/null 2>&1
+	eend "$?"
+}
+
+start_post()
+{
+	# Classify PID according to the rules if requested
+	yesno "${CG_CLASSIFY}" || return 0
+	ebegin "Classifying PID to CGroups"
+	local pid
+	for pid in $(ps --no-headers -eL o tid); do
+		 ${CGCLASSIFY} ${pid}
+	done
+	eend "$?"
+}
+
+stop()
+{
+	cgconfig_umount
+}
+
+cgconfig_umount()
+{
+	local ctrl eq mnt_pnt mnt_pts
+
+	while read ctrl eq mnt_pnt; do
+		case "${ctrl}" in
+			(\#*)    continue    ;;
+			(mount*) mnt_pts=true;;
+			(\}*)    mnt_pts=    ;;
+			(*)
+				[ -n "${mnt_pts}" ] || continue
+				mnt_pnt="${mnt_pnt%;}"
+				ebegin "Unmounting ${mnt_pnt}"
+				umount "${mnt_pnt}"
+				eend "$?"
+				;;
+		esac
+	done < "${CG_CONFIGFILE}"
+}
diff --git a/dev-libs/libcgroup/files/cgred.confd b/dev-libs/libcgroup/files/cgred.confd
new file mode 100644
index 000000000000..663ffc0c7dbd
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgred.confd
@@ -0,0 +1,17 @@
+# /etc/conf.d/cgred.conf: config file for /etc/init.d/cgred
+
+# Uncomment the following line to log to specified file instead of syslog
+#LOG_FILE="/var/log/cgrulesengd.log"
+
+# Uncomment the second line to run CGroup Rules Engine in non-daemon mode
+#NODAEMON=""
+NODAEMON="--nodaemon"
+
+# Uncomment the second line to disable logging for CGroup Rules Engine
+# Uncomment the third line to enable more verbose logging.
+#LOG=""
+LOG="--nolog"
+#LOG="-v"
+
+# PID file
+PID_FILE=/var/run/cgred.pid
diff --git a/dev-libs/libcgroup/files/cgred.confd-r2 b/dev-libs/libcgroup/files/cgred.confd-r2
new file mode 100644
index 000000000000..cdc7a7c51cf3
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgred.confd-r2
@@ -0,0 +1,5 @@
+# /etc/conf.d/cgred.conf: config file for /etc/init.d/cgred
+
+# Options to pass to cgrulesengd;
+# See the cgrulesengd(8) man page for more info.
+CGRED_OPTS="-n"
diff --git a/dev-libs/libcgroup/files/cgred.initd b/dev-libs/libcgroup/files/cgred.initd
new file mode 100644
index 000000000000..d507e09a8154
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgred.initd
@@ -0,0 +1,41 @@
+#!/sbin/openrc-run
+#
+# CGroups Rules Engine Daemon
+#
+# This is a daemon for automatically classifying processes into cgroups based
+# on UID/GID.
+#
+opts="${opts} reload"
+
+CGRULESENGD="/usr/sbin/cgrulesengd"
+PID_FILE=${PID_FILE:-"/var/run/cgred.pid"}
+
+depend() {
+	need cgconfig
+	use logger
+}
+
+start() {
+	local options="${NODAEMON} ${LOG}"
+	if [[ -n "${LOG_FILE}" ]]; then
+		options="${options} --log-file=${LOG_FILE}"
+	fi
+
+	ebegin "Starting CGroup Rules Engine Daemon"
+	start-stop-daemon --start --pidfile "${PID_FILE}" --make-pidfile \
+		--background --exec "${CGRULESENGD}" -- ${options} >/dev/null
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping CGroup Rules Engine Daemon"
+	start-stop-daemon --stop --pidfile "${PID_FILE}" --exec "${CGRULESENGD}"
+	eend $?
+}
+
+reload() {
+	ebegin "Reloading CGroup Rules Engine Daemon"
+	start-stop-daemon --stop --signal USR2 --oknodo --background \
+		--pidfile "${PID_FILE}" --make-pidfile --exec "${CGRULESENGD}"
+	eend $?
+}
diff --git a/dev-libs/libcgroup/files/cgred.initd-r1 b/dev-libs/libcgroup/files/cgred.initd-r1
new file mode 100644
index 000000000000..6aa697f2d0b7
--- /dev/null
+++ b/dev-libs/libcgroup/files/cgred.initd-r1
@@ -0,0 +1,23 @@
+#!/sbin/openrc-run
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+command="/usr/sbin/cgrulesengd"
+command_args="${CGRED_OPTS}"
+command_background="1"
+pidfile="/var/run/cgred.pid"
+description="CGroups Rules Engine Daemon"
+extra_started_commands="reload"
+
+depend()
+{
+	need cgconfig
+	use logger
+}
+
+reload()
+{
+	ebegin "Reloading CGroup Rules Engine Daemon"
+	kill -USR2 $(cat "${pidfile}")
+	eend $?
+}
diff --git a/dev-libs/libcgroup/files/libcgroup-0.41-reorder-headers.patch b/dev-libs/libcgroup/files/libcgroup-0.41-reorder-headers.patch
new file mode 100644
index 000000000000..78a3d09a3a08
--- /dev/null
+++ b/dev-libs/libcgroup/files/libcgroup-0.41-reorder-headers.patch
@@ -0,0 +1,28 @@
+libcgroup-internal.h: reorder the header stacking.
+
+`man 3 fts` not only specifies the headers to be included, but
+also the order.  <fts.h> must be included after <sys/types.h>
+and <sys/stats.h>.  On glibc and uClibc systems, an incorrect
+order does not pose a problem, but on musl this leads to undefine
+types such as dev_t and friends.
+
+Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
+
+diff -Naur libcgroup-0.41.orig/src/libcgroup-internal.h libcgroup-0.41/src/libcgroup-internal.h
+--- libcgroup-0.41.orig/src/libcgroup-internal.h	2015-07-13 21:08:26.740965713 -0400
++++ libcgroup-0.41/src/libcgroup-internal.h	2015-07-13 21:09:40.774962164 -0400
+@@ -21,12 +21,12 @@
+ #endif
+ 
+ #include "config.h"
+-#include <fts.h>
+ #include <libcgroup.h>
+ #include <limits.h>
+ #include <pthread.h>
+-#include <sys/stat.h>
+ #include <sys/types.h>
++#include <sys/stat.h>
++#include <fts.h>
+ #include <setjmp.h>
+ 
+ /* Maximum number of mount points/controllers */
diff --git a/dev-libs/libcgroup/files/libcgroup-0.41-replace_DECLS.patch b/dev-libs/libcgroup/files/libcgroup-0.41-replace_DECLS.patch
new file mode 100644
index 000000000000..770109310c67
--- /dev/null
+++ b/dev-libs/libcgroup/files/libcgroup-0.41-replace_DECLS.patch
@@ -0,0 +1,225 @@
+Replace __BEGIN_DECLS and __END_DECLS with extern "C".
+
+The macros __BEGIN_DECLS and __END_DECLS are a GNU-ism found in
+glibc and uClibc, but not musl.  We replace them by the more general
+extern "C" { ... } block exposed only if we have __cplusplus.
+
+Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
+
+diff -Naur libcgroup-0.41.orig/include/libcgroup/config.h libcgroup-0.41/include/libcgroup/config.h
+--- libcgroup-0.41.orig/include/libcgroup/config.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/config.h	2015-07-11 23:19:20.451977284 +0000
+@@ -9,7 +9,9 @@
+ #include <features.h>
+ #endif
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /**
+  * @defgroup group_config 5. Configuration
+@@ -107,6 +109,8 @@
+  * @}
+  * @}
+  */
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /*_LIBCGROUP_CONFIG_H*/
+diff -Naur libcgroup-0.41.orig/include/libcgroup/error.h libcgroup-0.41/include/libcgroup/error.h
+--- libcgroup-0.41.orig/include/libcgroup/error.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/error.h	2015-07-11 23:19:34.253977328 +0000
+@@ -9,7 +9,9 @@
+ #include <features.h>
+ #endif
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /**
+  * @defgroup group_errors 6. Error handling
+@@ -99,6 +101,8 @@
+  * @}
+  * @}
+  */
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _LIBCGROUP_INIT_H */
+diff -Naur libcgroup-0.41.orig/include/libcgroup/groups.h libcgroup-0.41/include/libcgroup/groups.h
+--- libcgroup-0.41.orig/include/libcgroup/groups.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/groups.h	2015-07-11 23:19:40.305977347 +0000
+@@ -11,7 +11,9 @@
+ #include <stdbool.h>
+ #endif
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /**
+  * Flags for cgroup_delete_cgroup_ext().
+@@ -577,6 +579,8 @@
+  */
+ 
+ 
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _LIBCGROUP_GROUPS_H */
+diff -Naur libcgroup-0.41.orig/include/libcgroup/init.h libcgroup-0.41/include/libcgroup/init.h
+--- libcgroup-0.41.orig/include/libcgroup/init.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/init.h	2015-07-11 23:19:46.369977366 +0000
+@@ -9,7 +9,9 @@
+ #include <features.h>
+ #endif
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /**
+  * @defgroup group_init 1. Initialization
+@@ -58,6 +60,8 @@
+  * @}
+  * @}
+  */
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _LIBCGROUP_INIT_H */
+diff -Naur libcgroup-0.41.orig/include/libcgroup/iterators.h libcgroup-0.41/include/libcgroup/iterators.h
+--- libcgroup-0.41.orig/include/libcgroup/iterators.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/iterators.h	2015-07-11 23:19:53.353977388 +0000
+@@ -11,7 +11,9 @@
+ #include <features.h>
+ #endif
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /**
+  * @defgroup group_iterators 3. Iterators
+@@ -423,6 +425,8 @@
+  * @}
+  */
+ 
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _LIBCGROUP_ITERATORS_H */
+diff -Naur libcgroup-0.41.orig/include/libcgroup/log.h libcgroup-0.41/include/libcgroup/log.h
+--- libcgroup-0.41.orig/include/libcgroup/log.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/log.h	2015-07-11 23:19:58.922977406 +0000
+@@ -11,7 +11,9 @@
+ 
+ #include <stdarg.h>
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /**
+  * @defgroup group_log 7. Logging
+@@ -142,6 +144,8 @@
+  * @}
+  * @}
+  */
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _LIBCGROUP_LOG_H */
+diff -Naur libcgroup-0.41.orig/include/libcgroup/tasks.h libcgroup-0.41/include/libcgroup/tasks.h
+--- libcgroup-0.41.orig/include/libcgroup/tasks.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/include/libcgroup/tasks.h	2015-07-11 23:20:03.329977420 +0000
+@@ -12,7 +12,9 @@
+ #include <stdbool.h>
+ #endif
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /** Flags for cgroup_change_cgroup_uid_gid(). */
+ enum cgflags {
+@@ -204,6 +206,8 @@
+  * @}
+  * @}
+  */
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _LIBCGROUP_TASKS_H */
+diff -Naur libcgroup-0.41.orig/src/daemon/cgrulesengd.h libcgroup-0.41/src/daemon/cgrulesengd.h
+--- libcgroup-0.41.orig/src/daemon/cgrulesengd.h	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/src/daemon/cgrulesengd.h	2015-07-11 23:20:34.282977519 +0000
+@@ -17,7 +17,9 @@
+ 
+ #include <features.h>
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ #include "config.h"
+ #include "libcgroup.h"
+@@ -119,7 +121,9 @@
+  */
+ void cgre_catch_term(int signum);
+ 
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* _CGRULESENGD_H */
+ 
+diff -Naur libcgroup-0.41.orig/src/libcgroup-internal.h libcgroup-0.41/src/libcgroup-internal.h
+--- libcgroup-0.41.orig/src/libcgroup-internal.h	2015-07-11 23:16:37.497976764 +0000
++++ libcgroup-0.41/src/libcgroup-internal.h	2015-07-11 23:20:22.299977481 +0000
+@@ -16,7 +16,9 @@
+ 
+ #define __LIBCG_INTERNAL
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ #include "config.h"
+ #include <fts.h>
+@@ -279,6 +281,8 @@
+  */
+ int cg_chmod_path(const char *path, mode_t mode, int owner_is_umask);
+ 
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif
diff --git a/dev-libs/libcgroup/files/libcgroup-0.41-replace_INLCUDES.patch b/dev-libs/libcgroup/files/libcgroup-0.41-replace_INLCUDES.patch
new file mode 100644
index 000000000000..191de87d814d
--- /dev/null
+++ b/dev-libs/libcgroup/files/libcgroup-0.41-replace_INLCUDES.patch
@@ -0,0 +1,74 @@
+Replace INCLUDES with AM_CPPFLAGS in Makefile.am
+
+We replace the deprecated INCLUDES with AM_CPPFLAGS in all
+Makefile.am's.
+
+Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
+
+diff -Naur libcgroup-0.41.orig/src/Makefile.am libcgroup-0.41/src/Makefile.am
+--- libcgroup-0.41.orig/src/Makefile.am	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/src/Makefile.am	2015-07-13 14:36:38.922428040 +0000
+@@ -9,7 +9,7 @@
+ 
+ CLEANFILES = lex.c parse.c parse.h
+ 
+-INCLUDES = -I$(top_srcdir)/include
++AM_CPPFLAGS = -I$(top_srcdir)/include
+ lib_LTLIBRARIES = libcgroup.la
+ libcgroup_la_SOURCES = parse.h parse.y lex.l api.c config.c libcgroup-internal.h libcgroup.map wrapper.c log.c
+ libcgroup_la_LIBADD = -lpthread
+diff -Naur libcgroup-0.41.orig/src/bindings/Makefile.am libcgroup-0.41/src/bindings/Makefile.am
+--- libcgroup-0.41.orig/src/bindings/Makefile.am	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/src/bindings/Makefile.am	2015-07-13 14:37:12.267428146 +0000
+@@ -1,5 +1,5 @@
+ SUBDIRS = .
+-INCLUDES = -I$(top_srcdir)/include
++AM_CPPFLAGS = -I$(top_srcdir)/include
+ 
+ lib_LTLIBRARIES = _libcgroup.la
+ _libcgroup_la_SOURCES = libcgroup.c
+@@ -11,5 +11,5 @@
+ 
+ libcgroup.c: libcgroup.p $(top_srcdir)/include/libcgroup.h
+ 	cp libcgroup.p libcgroup.i
+-	$(CC) $(INCLUDES) -DSWIG -E $(top_srcdir)/include/libcgroup.h >> libcgroup.i
++	$(CC) $(CPPFLAGS) -DSWIG -E $(top_srcdir)/include/libcgroup.h >> libcgroup.i
+ 	$(SWIG) -python -o libcgroup.c libcgroup.i
+diff -Naur libcgroup-0.41.orig/src/daemon/Makefile.am libcgroup-0.41/src/daemon/Makefile.am
+--- libcgroup-0.41.orig/src/daemon/Makefile.am	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/src/daemon/Makefile.am	2015-07-13 14:36:55.781428093 +0000
+@@ -1,4 +1,4 @@
+-INCLUDES = -I $(top_srcdir)/include
++AM_CPPFLAGS = -I $(top_srcdir)/include
+ 
+ if WITH_DAEMON
+ 
+diff -Naur libcgroup-0.41.orig/src/pam/Makefile.am libcgroup-0.41/src/pam/Makefile.am
+--- libcgroup-0.41.orig/src/pam/Makefile.am	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/src/pam/Makefile.am	2015-07-13 14:36:28.768428007 +0000
+@@ -1,4 +1,4 @@
+-INCLUDES = -I $(top_srcdir)/include
++AM_CPPFLAGS = -I $(top_srcdir)/include
+ 
+ if WITH_PAM
+ 
+diff -Naur libcgroup-0.41.orig/src/tools/Makefile.am libcgroup-0.41/src/tools/Makefile.am
+--- libcgroup-0.41.orig/src/tools/Makefile.am	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/src/tools/Makefile.am	2015-07-13 14:36:19.098427976 +0000
+@@ -1,4 +1,4 @@
+-INCLUDES = -I$(top_srcdir)/src -I$(top_srcdir)/include
++AM_CPPFLAGS = -I$(top_srcdir)/src -I$(top_srcdir)/include
+ LDADD = $(top_builddir)/src/.libs/libcgroup.la
+ 
+ if WITH_TOOLS
+diff -Naur libcgroup-0.41.orig/tests/Makefile.am libcgroup-0.41/tests/Makefile.am
+--- libcgroup-0.41.orig/tests/Makefile.am	2014-01-13 14:05:56.000000000 +0000
++++ libcgroup-0.41/tests/Makefile.am	2015-07-13 14:37:23.146428181 +0000
+@@ -1,6 +1,6 @@
+ SUBDIRS = tools
+ 
+-INCLUDES = -I$(top_srcdir)/include
++AM_CPPFLAGS = -I$(top_srcdir)/include
+ LDADD = $(top_builddir)/src/.libs/libcgroup.la
+ 
+ # compile the tests, but do not install them
diff --git a/dev-libs/libcgroup/libcgroup-0.41-r4.ebuild b/dev-libs/libcgroup/libcgroup-0.41-r4.ebuild
new file mode 100644
index 000000000000..67b609f2dfec
--- /dev/null
+++ b/dev-libs/libcgroup/libcgroup-0.41-r4.ebuild
@@ -0,0 +1,95 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools flag-o-matic linux-info pam
+
+DESCRIPTION="Tools and libraries to configure and manage kernel control groups"
+HOMEPAGE="http://libcg.sourceforge.net/"
+SRC_URI="mirror://sourceforge/project/libcg/${PN}/v${PV}/${P}.tar.bz2"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="amd64 ~ppc ~ppc64 x86"
+IUSE="+daemon elibc_musl pam static-libs +tools"
+
+RDEPEND="pam? ( virtual/pam )"
+
+DEPEND="
+	${RDEPEND}
+	sys-devel/bison
+	sys-devel/flex
+	elibc_musl? ( sys-libs/fts-standalone )
+	"
+REQUIRED_USE="daemon? ( tools )"
+
+DOCS=(README_daemon README README_systemd INSTALL)
+pkg_setup() {
+	local CONFIG_CHECK="~CGROUPS"
+	if use daemon; then
+		CONFIG_CHECK="${CONFIG_CHECK} ~CONNECTOR ~PROC_EVENTS"
+	fi
+	linux-info_pkg_setup
+}
+
+PATCHES=(
+	"${FILESDIR}"/${P}-replace_DECLS.patch
+	"${FILESDIR}"/${P}-replace_INLCUDES.patch
+	"${FILESDIR}"/${P}-reorder-headers.patch
+)
+
+src_prepare() {
+	default
+	# Change rules file location
+	sed -e 's:/etc/cgrules.conf:/etc/cgroup/cgrules.conf:' \
+		-i src/libcgroup-internal.h || die "sed failed"
+	sed -e 's:/etc/cgconfig.conf:/etc/cgroup/cgconfig.conf:' \
+		-i src/libcgroup-internal.h || die "sed failed"
+	sed -e 's:\(pam_cgroup_la_LDFLAGS.*\):\1\ -avoid-version:' \
+		-i src/pam/Makefile.am || die "sed failed"
+	sed -e 's#/var/run#/run#g' -i configure.in || die "sed failed"
+
+	eautoreconf
+}
+
+src_configure() {
+	local my_conf
+
+	if use pam; then
+		my_conf=" --enable-pam-module-dir=$(getpam_mod_dir) "
+	fi
+
+	use elibc_musl && append-ldflags "-lfts"
+	econf \
+		$(use_enable static-libs static) \
+		$(use_enable daemon) \
+		$(use_enable pam) \
+		$(use_enable tools) \
+		${my_conf}
+}
+
+src_test() {
+	# Use mount cgroup to build directory
+	# sandbox restricted to trivial build,
+	# possible kill Diego tanderbox ;)
+	true
+}
+
+src_install() {
+	default
+	prune_libtool_files --all
+
+	insinto /etc/cgroup
+	doins samples/*.conf || die
+
+	if use tools; then
+		newconfd "${FILESDIR}"/cgconfig.confd-r1 cgconfig || die
+		newinitd "${FILESDIR}"/cgconfig.initd-r1 cgconfig || die
+	fi
+
+	if use daemon; then
+		newconfd "${FILESDIR}"/cgred.confd-r2 cgred || die
+		newinitd "${FILESDIR}"/cgred.initd-r1 cgred || die
+	fi
+}
diff --git a/dev-libs/libcgroup/metadata.xml b/dev-libs/libcgroup/metadata.xml
new file mode 100644
index 000000000000..c35d422f9d07
--- /dev/null
+++ b/dev-libs/libcgroup/metadata.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>blueness@gentoo.org</email>
+		<name>Anthony G. Basile</name>
+	</maintainer>
+	<longdescription>
+		This package provides configuration and command-line tools, as well as a
+		rules processing daemon for working with kernel control groups.
+	</longdescription>
+	<use>
+		<flag name="daemon">Install the configuration tools and init/config files.</flag>
+		<flag name="tools">Install the cgroup rules processing daemon and init/config files.</flag>
+	</use>
+	<upstream>
+		<remote-id type="sourceforge">libcg</remote-id>
+	</upstream>
+</pkgmetadata>