system.py 文件源码

def _set_proc_title(process_name):
  """
  BSD specific calls (should be compataible with both FreeBSD and OpenBSD:
  http://fxr.watson.org/fxr/source/gen/setproctitle.c?v=FREEBSD-LIBC
  http://www.rootr.net/man/man/setproctitle/3
  """

  libc = ctypes.CDLL(ctypes.util.find_library('c'))
  name_buffer = ctypes.create_string_buffer(len(process_name) + 1)
  name_buffer.value = process_name

  try:
    libc.setproctitle(ctypes.byref(name_buffer))
  except AttributeError:
    # Possible issue (seen on OSX):
    # AttributeError: dlsym(0x7fff6a41d1e0, setproctitle): symbol not found

    pass


# TODO: drop with stem 2.x
# We renamed our methods to drop a redundant 'get_*' prefix, so alias the old
# names for backward compatability.