mirror of
https://github.com/munki/munki.git
synced 2026-01-26 00:49:21 -06:00
47 lines
1.4 KiB
Python
Executable File
47 lines
1.4 KiB
Python
Executable File
#
|
|
# Copyright 2015 Per Olofsson
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
|
|
import os
|
|
from ctypes import *
|
|
libc = CDLL("/usr/lib/libc.dylib")
|
|
|
|
|
|
# int launch_activate_socket(const char *name, int **fds, size_t *cnt)
|
|
libc.launch_activate_socket.restype = c_int
|
|
libc.launch_activate_socket.argtypes = [c_char_p, POINTER(POINTER(c_int)), POINTER(c_size_t)]
|
|
|
|
|
|
class LaunchDError(Exception):
|
|
pass
|
|
|
|
def launch_activate_socket(name):
|
|
"""Retrieve named socket file descriptors from launchd."""
|
|
|
|
# Wrap in try/finally to free resources allocated during lookup.
|
|
try:
|
|
fds = POINTER(c_int)()
|
|
cnt = c_size_t(0)
|
|
err = libc.launch_activate_socket(name, byref(fds), byref(cnt))
|
|
if err:
|
|
raise LaunchDError("Failed to retrieve sockets from launchd: %s" % os.strerror(err))
|
|
|
|
# Return a list of file descriptors.
|
|
return list(fds[x] for x in xrange(cnt.value))
|
|
|
|
finally:
|
|
if fds:
|
|
libc.free(fds)
|