示例#1
0
 def _check_status(self):
     bail = 0
     # Check to see if the hotplug lock file exists.  If so, bail for now.
     hotstat = PROC.status_from_name('hotplug')
     if hotstat.state != PROC.StatusEnum.DOESNOTEXIST:
         # Looks like it exists.  Bail for now.
         bail = 1
     if not bail:
         _dstatus = self._do_check()
         if _dstatus != self._drives:
             # If it has changed, wait a couple of seconds, and
             # make sure we aren't stomping on hotplug.
             time.sleep(2)
             #
             hotstat = PROC.status_from_name('hotplug')
             if hotstat.state != PROC.StatusEnum.DOESNOTEXIST:
                 # Looks like it exists.  Bail for now.
                 bail = 1
     if bail:
         mstr =  'hotplug lock file exists.  Not checking USB status. '
         mstr += 'Got pid of %d.' % hotstat.pid
         msglog.log('USBStorage', msglog.types.WARN, mstr)
         return 1
     #
     if _dstatus and (_dstatus != self._drives):
         print 'Drive status has changed to %s.' % str(_dstatus)
         # Since drive status has changed, check for the hotplug lock file
         # again.  This should guard against the case where the kernel
         # detects the device and starts to run hotplug but this routine
         # gets in first.
         hotstat = PROC.status_from_name('hotplug')
         if hotstat.state != PROC.StatusEnum.DOESNOTEXIST:
             mstr =  'hotplug lock file exists now.  Not checking USB status. '
             mstr += 'Got pid of %d.' % hotstat.pid
             msglog.log('USBStorage', msglog.types.WARN, mstr)
             return 1
         for x in _dstatus:
             if not x in self._drives:
                 self._add_services_node(x)
                 self._add_device_node(x)
                 self._add_device_event(x)
         for x in self._drives:
             if not x in _dstatus:
                 self._remove_services_node(x)
                 self._remove_device_node(x)
                 self._remove_device_event(x)
         self._drives = _dstatus
     return 0
示例#2
0
def is_running():
    # Check this process.
    if (__system_dict['run_func'] != None):
        return 1
    # Check for another process.
    if (process.status_from_name('broadway').state !=
        process.StatusEnum.DOESNOTEXIST):
        return 1
    return 0