def start(self):
'''
Start the daemon.
'''
if self.child_pid is not None:
# TODO: raise an error (child is already running)
return
(self.child_pid, self.child_stdout) = self.start_command.run()
if self.child_stdout is not None:
_fd.close_on_exec(self.child_stdout)
def __init__(self, filename):
'''
:param filename: name of the pid file
:type filename: string
'''
self.filename = os.path.abspath(filename)
self.fd = open(self.filename, 'w', 0) # TODO: atomic create-or-fail
_fd.close_on_exec(self.fd)
self.pid = None
self.remove_on_close = False
self.update()
def __init__(self, address):
'''
:param address: address to bind to
:type address: string
'''
self.path = os.path.abspath(address)
self.socket = None
conn = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
conn.bind(self.path)
# only set self.socket it after bind(), so the file won't get removed
# when it's not ours (e.g. existed already)
self.socket = conn
_fd.close_on_exec(self.socket)
self.socket.listen(1)