pysize/core/signals.py

   1 # This program is free software; you can redistribute it and/or modify
   2 # it under the terms of the GNU General Public License as published by
   3 # the Free Software Foundation; either version 2 of the License, or
   4 # (at your option) any later version.
   5 #
   6 # This program is distributed in the hope that it will be useful,
   7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 # GNU Library General Public License for more details.
  10 #
  11 # You should have received a copy of the GNU General Public License
  12 # along with this program; if not, write to the Free Software
  13 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  14 #
  15 # See the COPYING file for license information.
  16 #
  17 # Copyright (c) 2006, 2007, 2008  Guillaume Chazarain <guichaz@yahoo.fr>
  18
  19 import os
  20 import signal
  21 import sys
  22 import threading
  23 import traceback
  24
  25 def install_sigquit_handler():
  26     def sigquit_handler(signum, frame):
  27         print 'SIGQUIT triggered traceback (most recent call last):'
  28         try:
  29             # Python-2.5
  30             frames = sys._current_frames().values()
  31         except AttributeError:
  32             # Python-2.4
  33             frames = [frame]
  34         for f in frames:
  35             print '======================'
  36             traceback.print_stack(f)
  37     signal.signal(signal.SIGQUIT, sigquit_handler)
  38
  39 def install_sigint_handler():
  40     def sigint_handler(signum, frame):
  41         os.kill(0, signal.SIGTERM)
  42     signal.signal(signal.SIGINT, sigint_handler)
  43