274             else:

   274             else:

   275                 raise

   275                 raise

   276 

   276 

   277     def explain_exit(code):

   277     def explain_exit(code):

   278         """return a 2-tuple (desc, code) describing a process's status"""

   278         """return a 2-tuple (desc, code) describing a process's status"""

   279         if os.WIFEXITED(code):

   281         if os.WIFEXITED(code):

   280             val = os.WEXITSTATUS(code)

   282             val = os.WEXITSTATUS(code)

   281             return "exited with status %d" % val, val

   283             return "exited with status %d" % val, val

   282         elif os.WIFSIGNALED(code):

   284         elif os.WIFSIGNALED(code):

   283             val = os.WTERMSIG(code)

   285             val = os.WTERMSIG(code)