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# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
from __future__ import with_statement
import time
import os
import errno
import signal
from buildbot.scripts import base
def stop(config, signame="TERM", wait=False):
basedir = config['basedir']
quiet = config['quiet']
if config['clean']:
signame = 'USR1'
if not base.isBuildmasterDir(config['basedir']):
return 1
pidfile = os.path.join(basedir, 'twistd.pid')
try:
with open(pidfile, "rt") as f:
pid = int(f.read().strip())
except:
if not config['quiet']:
print "buildmaster not running"
return 0
signum = getattr(signal, "SIG"+signame)
try:
os.kill(pid, signum)
except OSError, e:
if e.errno != errno.ESRCH:
raise
else:
if not config['quiet']:
print "buildmaster not running"
try:
os.unlink(pidfile)
except:
pass
return 0
if not wait:
if not quiet:
print "sent SIG%s to process" % signame
return 0
time.sleep(0.1)
# poll once per second until twistd.pid goes away, up to 10 seconds,
# unless we're doing a clean stop, in which case wait forever
count = 0
while count < 10 or config['clean']:
try:
os.kill(pid, 0)
except OSError:
if not quiet:
print "buildbot process %d is dead" % pid
return 0
time.sleep(1)
count += 1
if not quiet:
print "never saw process go away"
return 1
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