# host/utils - Host utilities. {{{ # # Copyright (C) 2008 Nicolas Schodet # # APBTeam: # Web: http://apbteam.org/ # Email: team AT apbteam DOT org # # 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; either version 2 of the License, or # (at your option) any later version. # # 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # }}} """Run a function in a separate process.""" import os, sys, signal class Forked: """ Usage: >>> f = Forked (function) (function runs in background, in a separated process) >>> f.kill () (send the SIGTERM signal to the process) """ def __init__ (self, function): """Initialise, fork, and call the given function in the children process.""" self.pid = os.fork () if self.pid == 0: function () sys.exit (0) def kill (self): """Kill the forked function.""" os.kill (self.pid, signal.SIGTERM) os.waitpid (self.pid, 0)