#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2014 Canonical
#
# Authors:
#  Didier Roche
#
# This program 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 3.
#
# 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

from contextlib import suppress
import os
import signal
import sys


process_grep = sys.argv[1:]
for pid in os.listdir('/proc'):
    if not pid.isdigit() or int(pid) == os.getpid():
        continue
    # ignore processes that are closed in between
    with suppress(IOError):
        cmdline = open(os.path.join('/proc', pid, 'cmdline'), 'r').read()
        for process_elem in process_grep:
            if process_elem not in cmdline or sys.argv[0] in cmdline:
                break
        # we found it
        else:
            os.kill(int(pid), signal.SIGTERM)
            sys.exit(0)
sys.exit(1)
