stop glance-api service will raise exception

[YaoZheng_ZTE]

1. In redhat system, run systemctl stop openstack-glance-api.service will stop glance API service .
2. after step 1, the glance api log as follow:
2015-06-18 08:58:47.538 11453 CRITICAL glance [-] OSError: [Errno 38] Function not implemented
2015-06-18 08:58:47.538 11453 TRACE glance Traceback (most recent call last):
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/bin/glance-api", line 10, in <module>
2015-06-18 08:58:47.538 11453 TRACE glance sys.exit(main())
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/glance/cmd/api.py", line 90, in main
2015-06-18 08:58:47.538 11453 TRACE glance server.wait()
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/glance/common/wsgi.py", line 406, in wait
2015-06-18 08:58:47.538 11453 TRACE glance self.wait_on_children()
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/glance/common/wsgi.py", line 345, in wait_on_children
2015-06-18 08:58:47.538 11453 TRACE glance pid, status = os.wait()
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/eventlet/green/os.py", line 78, in wait
2015-06-18 08:58:47.538 11453 TRACE glance return waitpid(0, 0)
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/eventlet/green/os.py", line 96, in waitpid
2015-06-18 08:58:47.538 11453 TRACE glance greenthread.sleep(0.01)
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 34, in sleep
2015-06-18 08:58:47.538 11453 TRACE glance hub.switch()
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 294, in switch
2015-06-18 08:58:47.538 11453 TRACE glance return self.greenlet.switch()
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 346, in run
2015-06-18 08:58:47.538 11453 TRACE glance self.wait(sleep_time)
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/eventlet/hubs/poll.py", line 82, in wait
2015-06-18 08:58:47.538 11453 TRACE glance sleep(seconds)
2015-06-18 08:58:47.538 11453 TRACE glance File "/usr/lib/python2.7/site-packages/glance/common/wsgi.py", line 287, in kill_children
2015-06-18 08:58:47.538 11453 TRACE glance os.killpg(self.pgid, signal.SIGTERM)
2015-06-18 08:58:47.538 11453 TRACE glance OSError: [Errno 38] Function not implemented
2015-06-18 08:58:47.538 11453 TRACE glance

3.I use icehouse2014.1.3 version, but I review code in K version, this issue is also present

[YaoZheng_ZTE (zheng-yao1)]

my system is redhat + python2.7, look the python manual, OS moudle os.killpg is suported in python2.3,
but,my system is python2.7， the os.killpg has not implemented yet.

[YaoZheng_ZTE (zheng-yao1)]

Hi Kuo-tung:
   Use the os.kill function can solve the problem. this bug can be confirmed ?
  assignee: nobody → YaoZheng_ZTE