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diff -up yum-utils-1.1.31/docs/needs-restarting.1.orig yum-utils-1.1.31/docs/needs-restarting.1
--- yum-utils-1.1.31/docs/needs-restarting.1.orig 2016-08-04 12:22:33.765295008 +0200
+++ yum-utils-1.1.31/docs/needs-restarting.1 2016-08-04 12:24:52.076356702 +0200
@@ -16,6 +16,8 @@ Display a help message, and then quit.
Show processes for my userid only.
.IP "\fB\-r, \-\-reboothint\fP"
Only report whether a full reboot is required (returns 1) or not (returns 0).
+.IP "\fB\-s, \-\-services\fP"
+List the affected systemd services only.
.PP
.SH "SEE ALSO"
diff -up yum-utils-1.1.31/needs-restarting.py.orig yum-utils-1.1.31/needs-restarting.py
--- yum-utils-1.1.31/needs-restarting.py.orig 2016-08-04 12:22:15.914287046 +0200
+++ yum-utils-1.1.31/needs-restarting.py 2016-08-04 12:24:22.235343391 +0200
@@ -65,6 +65,8 @@ def parseargs(args):
parser.add_option("-r", "--reboothint", default=False, action="store_true",
help=('only report whether a full reboot is required (returns 1) or not '
'(returns 0)'))
+ parser.add_option("-s", "--services", default=False, action="store_true",
+ help='list the affected systemd services only')
(opts, args) = parser.parse_args(args)
return (opts, args)
@@ -106,6 +108,31 @@ def get_open_files(pid):
files.append(filename)
return files
+def get_service(pid):
+ """Return the systemd service to which the process belongs.
+
+ More details:
+ http://0pointer.de/blog/projects/systemd-for-admins-2.html
+ https://www.freedesktop.org/wiki/Software/systemd/FrequentlyAskedQuestions/
+ """
+
+ fname = '/proc/%s/cgroup' % pid
+ try:
+ with open(fname, 'r') as f:
+ groups = f.readlines()
+ except (IOError, OSError), e:
+ print >>sys.stderr, "Could not open %s" % fname
+ return None
+
+ for line in groups:
+ line = line.replace('\n', '')
+ hid, hsub, cgroup = line.split(':')
+ if hsub == 'name=systemd':
+ name = cgroup.split('/')[-1]
+ if name.endswith('.service'):
+ return name
+ return None
+
def main(args):
(opts, args) = parseargs(args)
@@ -189,6 +216,13 @@ def main(args):
+ if opts.services:
+ names = set([get_service(pid) for pid in needing_restart])
+ for name in names:
+ if name is not None:
+ print name
+ return 0
+
for pid in needing_restart:
try:
cmdline = open('/proc/' +pid+ '/cmdline', 'r').read()