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-rw-r--r--host/utils/__init__.py0
-rw-r--r--host/utils/forked.py48
2 files changed, 48 insertions, 0 deletions
diff --git a/host/utils/__init__.py b/host/utils/__init__.py
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index 00000000..e69de29b
--- /dev/null
+++ b/host/utils/__init__.py
diff --git a/host/utils/forked.py b/host/utils/forked.py
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+++ b/host/utils/forked.py
@@ -0,0 +1,48 @@
+# mex - Messages exchange library. {{{
+#
+# 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)