495             def condfn():

   495             def condfn():

   496                 return not os.path.exists(lockpath)

   496                 return not os.path.exists(lockpath)

   497             pid = util.rundetached(runargs, condfn)

   497             pid = util.rundetached(runargs, condfn)

   498             if pid < 0:

   498             if pid < 0:

   499                 raise util.Abort(_('child process failed to start'))

   499                 raise util.Abort(_('child process failed to start'))

   500         finally:

   501         finally:

   501             try:

   502             try:

   502                 os.unlink(lockpath)

   503                 os.unlink(lockpath)

   503             except OSError, e:

   504             except OSError, e:

   504                 if e.errno != errno.ENOENT:

   505                 if e.errno != errno.ENOENT:

   509             return

   510             return

   510 

   511 

   511     if initfn:

   512     if initfn:

   512         initfn()

   513         initfn()

   513 

   514 

   515 

   517 

   516     if opts['daemon_pipefds']:

   518     if opts['daemon_pipefds']:

   517         lockpath = opts['daemon_pipefds']

   519         lockpath = opts['daemon_pipefds']

   518         try:

   520         try:

   519             os.setsid()

   521             os.setsid()